WORLDS LONGEST CAVES   Compiled by: Bob Gulden - Jan.07, 2019
Text Box: Parse Text Box: Parse
CAVES WITH TOTAL LENGTH OF 15000+ METERS (9.321 miles, 49,213 feet)
Send updates and corrections to caverbob@aol.com
The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com           Copyright 2019 NSS Geo2, Bob Gulden NSS#13188LF
Do not ask for cave locations, I will not give them out.
 
          LENGTH LENGTH DEPTH DEPTH    
# CAVE  NAME COUNTRY STATE COUNTY MILES METERS FEET METERS SOURCE DATE
1 Mammoth Cave System   (N.P.) U.S.A. Kentucky Ed./Hart/Bar. 410.105 651784 407 124.1 CRF / CKKC  +/-5 MILES 10/16
2 Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu)     (Underwater+Dry) Mexico Quintana Roo Tulum 224.035 360550 332 101.2 Peter Sprouse FB 01/19
3 Jewel Cave    (N.M.) U.S.A. South Dakota Custer 200.300 322352 815 248.4 Mike Wiles   12/18
4 Sistema Ox Bel Ha                Mexico Quintana Roo Tulum 167.878 270173 114 34.7 http://www.amcs-pubs.org/longanddeep.html 09/89
5 Optymistychna           Ukraine Ternopil Borshchiv 159.692 257000 49 15.0 Vyacheslav Apostolyuk 09/17
6 Wind Cave     (N.P.) U.S.A. South Dakota Custer 149.010 239808 636 193.9 Marc Ohms e-mail 10/18
7 Shuanghe Dongqun China Guizhou Suiyang 148.184 238479 1916 584.0 Jean Bottazzi e-mail 12/17
8 The Clearwater System (Gua Air Jernih)   Malaysia Sarawak Mulu 141.057 227009 1165 355.1 Hugh St.Lawrence e-mail 06/18
9 Lechuguilla Cave   (C.C.N.P.) U.S.A. New Mexico Eddy 138.300 222572 1604 488.9 Stan Allison e-mail 06/16
10 Hoelloch Switzerland Schwyz Muotatal 125.483 201946 3079 938.6 http://ch.speleo.info/cavelist.php?mode=length 09/16
11 Fisher Ridge Cave System U.S.A. Kentucky Hart 125.250 201570 356 108.5 Ronnie Harrison e-mail 01/16
12 Siebenhengste-hohgant Hoehlensystem Switzerland Bern Eriz/Beat./Ha. 97.555 157000 4396 1340.0 http://ch.speleo.info 06/16
13 Sistema del Alto Tejuelo Spain Cantabria Porracolina 94.171 151554 2005 611.0 Jose Luis Membrado e-mail 11/18
14 Schoenberg-Höhlensystem (RaucherkarHöhle-Feuertal-höhlensystem) Austria Oberosterreich Totes Gebrige 91.847 147813 3481 1061.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
15 Sistema del Mortillano Spain Cantabria Porra de Mortillano 89.477 144000 3117 950.0 Jose Luis Membrado e-mail 11/18
16 Ozerna                             (Gypsum) Ukraine Ternopil Borshchiv 87.296 140490 115 35.0 Vyacheslav Apostolyuk 09/17
17 Schwarzmooskogelhoehlensystem Austria Steiermark Totes Gebirge 83.159 133831 3691 1125.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
18 Bullita Cave System (Burke's Back Yard) Australia Northern Territory Gregory N.P. 74.813 120400 75 23.0 Mark Sefton (Cave Exploration Group of South Australia) 09/16
19 Sistema del Gandara Spain Cantabria Porracolina 71.474 115026 2671 814.0 Jose Luis Membrado e-mail 01/18
20 Hirlatzhöhle Austria Oberosterreich Dachstein 70.171 112929 5118 1560.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
21 Toca da Boa Vista Brazil Bahia Campo Formoso 68.972 111000 164 50.0 http://www.sbe.com.br/cavernas_maiores.asp 06/17
22 Systeme de Ojo Guarena Spain Burgos Merindad de Sotoscueva 68.351 110000 633 193.0 http://www.grupoedelweiss.com/ 09/16
23 Reseau Felix Trombe / Henne-Morte France Haute-Garonne Coume Ouarnede 65.721 105767 3294 1004.0 Caver Tim 10/18
24 Sistema K'oox Baal  - Sistema Tux Kupaxa     (Underwater+Dry) Mexico Quintana Roo Tulum 58.454 94072 86 26.2 QRSS Long Caves List 10/18
25 Sistema Purificacion Mexico Tamaulipas Villa Hidalgo 58.257 93755 3127 953.0 http://www.amcs-pubs.org/longanddeep.html 06/16
26 Zolushka                             (Gypsum) Ukraine / Moldova Briceni/Cernivci Nowoselyzja 56.573 91045 98 30.0 cavemlynky@gmail.com  09/17
27 Three Counties System United Kingdom England N.York.,Lanc., Cumbria 53.823 86619 692 211.0 Wookey e-mail 10/17
28 Sistema Huautla Mexico Oaxaca Huautla de Ji. 52.817 85000 5118 1560.0 Bill Steel FB 01/19
29 Gouffre de la Pierre Saint Martin - gouffre des Partages France / Spain Pyrenees-Atlantiques Pierre Saint Martin 51.977 83649 4619 1408.0 http://arsip.free.fr/index.php?option=com_content&task=view&id=76&itemid=56 01/16
30 Complesso del Monte Corchia (Fighiera,Farol.)- Su Palu Italy Toscana Alpi Apuane 47.224 76000 3894 1187.0 Guido Baroncni Turricchia e-mail 07/17
31 Barenschacht Switzerland Bern Beatenberg 47.204 75967 3212 979.0 http://ch.speleo.info 01/16
32 Friars Hole Cave System U.S.A. West Virginia Green./Pocoho. 46.914 75500 613 186.8 Doug Medville 12/17
33 Sima del Hayal de Ponata-Rebollar II (SI-44,SI-57,SR-7) Spain Araba/Bizkaia/Burgos Sierra Salvada/Gorobel M. 46.603 75000 1362 415.0 Jose Luis Membrado e-mail 01/19
34 Cova des Pas de Vallgornera      Spain Balearics Llucmajor 46.132 74242 69 21.0 Jose Luis Membrado e-mail 08/16
35 Bulmer Caverns ( Castle Keep - Gormenghast) New Zealand South Island Mt Owen 44.739 72000 2477 755.0 Descent  (245) P24 08/16
36 Binkley's Cave System U.S.A. Indiana Harrison 44.243 71202 140 42.7 Gary Roberson e-mail 02/18
37 Ogof Draenen United Kingdom Wales Monmouthshire 43.496 70000 495 151.0 www.ukcaves.co.uk/all-longest 01/16
38 Hellhole System U.S.A. West Virginia Pendleton 42.200 67914 737 224.6 GVKS 08/16
39 San Wang Dong China Chongqing Wulong 42.145 67825 1125 343.0 Descent 231 05/16
40 Botovskaya Russia Lrkutsk Sredne 42.096 67747 131 40.0 Alexander Osinzev e-mail 02/15
41 Dachstein-MammutHoehle Austria Oberosterreich Dachstein 41.903 67437 3960 1207.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
42 Reseau de l'Alpe France Isere / Savoie Chartreuse 41.801 67272 2149 655.0 Jose Luis Membrado e-mail 01/16
43 Kazumura Cave                     (Lava Tube) U.S.A. Hawaii Hawaii 40.700 65500 3614 1101.5 HSS Newsletter N9P7 06/16
44 Blue Spring Cave                U.S.A. Tennessee White 40.000 64374 307 93.6 Jason Riichards e-mail 10/16
45 Organ Cave System U.S.A. West Virginia Greenbrier 38.452 61882 486 148.1 WVASS Database 05/16
46 Complesso della Valle del Nose Italy Lombardia Pian del Tivano 38.028 61200 1801 549.0 Andrea Maconi e-mail 04/17
47 Arresteliako ziloa(Souffleur de Larrandaburu) France Pyre. Atlantiques/Navarra Pierre Saint Martin 37.868 60943 2740 835.0 http://arsip.free.fr/ 09/16
48 Sistema Xunaan Ha     (Underwater+Dry) Mexico Quintana Roo Tulum 37.559 60445 89 27.1 QRSS Long Caves List 10/18
49 Cueva del Valle (Red Del Silencio) Spain Cantabria Vizcaya 37.421 60223 1565 477.0 www.federacionaragonesaespeleologia.com/ 05/16
50 Lämprechtsofen Höhlensystem Austria Salzburg Leoganger Steinberge 37.282 60000 5692 1735.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
51 Sistema de los Cuatro (4) Valles  Spain Cantabria Solorzano 36.836 59282 358 109.0 Jose Luis Membrado e-mail 06/18
52 Double Bopper Cave U.S.A. Arizona Coconino 36.710 59079 618 188.4 Jason Ballenski e-mail 01/18
53 Bol'shaja Oreshnaja            (Conglomerate) Russia Russia Kransnojarsk 36.040 58000 787 240.0 International Caver 2000 P78 06/17
54 Scialet de les Nuits Blanches - Superieur du clos d'Aspres France Isere Vercors 35.956 57865 3497 1066.0 Xavier Robert e-mail 02/18
55 Kap-Kutan/Promezhutochnaja Turkmenistan Turkistan Gissarsko-Ala. 35.418 57000 1017 310.0 RSIC 06/17
56 Whigpistle System U.S.A. Kentucky Edmonson 34.620 55715 314 95.7 2009 NSS/ICS Kerrville Texas 07/16
57 Fort Stanton Cave U.S.A. New Mexico Lincoln 34.600 55683 441 134.4 Lee H.Skinner e-mail 10/18
58 Systeme du Granier France Isere / Savoie Chartreuse 34.379 55327 1850 564.0 d'Eric Sibert 02/15
59 Mamo Kananda Papua New Guinea Southern Highland Muller Range 34.051 54800 1732 528.0 Atlas Des Grandes Cavites Mondia. 06/17
60 Sistema de Atxuriaga (Complex) Spain Bizkaia Galdames 33.973 54675 1791 546.0 Jose Luis Membrado e-mail 08/18
61 Wakulla-Leon Sinks Cave System           U.S.A. Florida Leon/Wakulla 33.760 54331 350 106.7 Casey McKinlay e-mail 10/17
62 Gr. Caverna de Palmarito Cuba Pinar del Rio S. de Vinales 33.554 54000 0 0.0 Info CREI 2001 N10 06/17
63 Mlynky                     (Gypsum) Ukraine Ternopil Chortkiv 32.885 52923 66 20.0 cavemlynky@gmail.com  01/19
64 Teng Long Dong China Hubei Lichuan 32.808 52800 0 0.0 www.hongmeigui.net/deepandlong.php 07/16
65 Carlsbad Cavern   (C.C.N.P.) U.S.A. New Mexico Eddy 32.350 52062 1035 315.5 Lee H.Skinner e-mail 01/16
66 Grotte de Saint-Marcel France Ardeche Bas-Vivarais 31.814 51200 764 233.0 Spelunca No.103,FFS 05/16
67 Benarat Caverns System  (lubang Benerat)  Malaysia Sarawak Mulu 31.484 50669 381 116.0 Tim Allen e-mail 03/16
68 Reseau de la Dent de Crolles France Isere Chartreuse 31.131 50101 2208 673.0 Jean-Yves Bigot 01/16
69 Ogof Ffynnon Ddu United Kingdom Wales Powys 31.069 50000 899 274.0 www.ukcaves.co.uk/all-longest 01/16
70 Crevice Cave U.S.A. Missouri Perry 30.800 49568 0 0.0 Chad McCain e-mail 03/18
71 Sistema Itxina'pe Sarea Spain Bizkaia Gorbea 30.540 49150 0 0.0 Jose Luis Membrado e-mail 10/18
72 Scott Hollow Cave U.S.A. West Virginia Monroe 29.500 47476 571 174.0 WVASS Spring Meeting 05/16
73 Omega System U.S.A. Virginia Wise 29.430 47363 1263 385.0 Mike Ficco e-mail 06/16
74 Sistema Toh Ha   (Underwater) Mexico Quintana Roo Tulum 29.249 47072 42 12.8 QRSS Long Caves List 10/18
75 Sistema de Anielarra  (Anialarra) Spain Nafarroa Larra 28.925 46551 2799 853.0 Paul De Bie e-mail 11/18
76 Kipuka Kanohina (Kula Kai Caverns) (Lava Tube) U.S.A. Hawaii Hawaii 28.700 46188 762 232.3 Bob Richards e-mail 03/16
77 Santo Tomas (gran caverna de) Cuba Pinar del Rio S. de Quemadas 28.583 46000 0 0.0 The NSS News V57N10P300 10/99
78 Sistema Cheve (Cuicateco) Mexico Oaxaca Cuicatlan 28.551 45949 4882 1488.0 Bill Stone e-mail 6/18
79 Sistema Aranonera (Sima S1-S2)(Tendenera connected) Spain Huesca Pirineos 28.115 45246 4426 1349.0 Jose Luis Membrado e-mail 10/16
80 Grotte de la Diau France Haute Savoie Parmelan 27.962 45000 2297 700.0 Bertrand Hauser 102/2015
81 Kolkbluser-Monster-Höhlensystem Austria Salzburg Steinernes Meer 27.643 44487 2372 723.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
82 Cumberland Caverns                (Saltpeter) U.S.A. Tennessee Warren 27.616 44444 200 61.0 Charles Cole 03/92
83 Trou qui souffle France Isere Vercors 26.657 42900 2198 670.0 Descent 243 P32 04/17
84 Frauenmauer-Langstein-Höhlensystem Austria Steiermark Hochsehwab 26.536 42706 2077 633.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
85 Pestera Vantului Romania Bihor Mtii Padurea Craiului 26.200 42165 558 170.0 Victor Ursu info - 34-52km in length 09/16
86 Er Wang Dong China Chongqing Wulong 26.184 42139 1447 441.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 08/16
87 Memorial Day Cave U.S.A. West Virginia Pendleton 26.150 42084 561 171.0 GVKS 08/16
88 Tham Khoun Dori - Houay Sai System Cave Laos Khammouane Ban Na 26.145 42077 853 260.0 Charles Ghommidh e-mail 01/16
89 Eisriesenwelt Austria Salzburg Tennengebirge 26.098 42000 1335 407.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
90 Gouffre de Padirac France Lot Causse de Gramat 25.476 41000 853 260.0 http://www.gouffre-de-padirac.com/index.htm 06/16
91 Gamslöcher-Kolowrats-Hösystem Austria Salzburg Untersberg 25.199 40554 3707 1130.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
92 Cueva del Tecolote Mexico Tamaulipas Villa Hidalgo 25.150 40475 1391 424.0 Mark Minton e-mail 05/16
93 Demanovsky jaskynny system Slovakia Nizke Tatry Demanovske vrchy 25.091 40380 643 196.0 http://www.speleodd.sk/main.php?pageid=11&novinka=530 03/16
94 Complesso del Col delle Erbe Italy Friuli VG Chiusafoete 24.855 40000 0 0.0 Speleologia N68P102-103  06/16
95 Sloans Valley Cave System U.S.A. Kentucky Pulaski 24.640 39654 240 73.2 The International Caver N19P23 05/97
96 Migovec (Vrtnarija) System (M-16) Slovenia Primorska zaledje Tolminke 24.420 39300 3189 972.0 David Wilson e-mail 12/17
97 System Amaterskej a Punkevni Jesky. Czech Rep. Moravia Ostrov 24.324 39146 1631 497.0 Libor Faitl e-mail 01/16
98 Chiquibul Cave System (Cebaba & Actun Tunkul) Belize Mt Junea West Chiquibul 24.233 39000 525 160.0 Tom Miller e-mail 01/16
99 Xanadu Cave System U.S.A. Tennessee Fentress 24.062 38724 227 69.2 Tenn.Cave Survey 02/15
100 Silberensystem (Schwyzerschacht) Switzerland Schwyz Muotatal 23.992 38611 2915 888.4 http://ch.speleo.info 06/16
101 Jiangzhou Dongxuexitong China Guangxi Fengshan 23.923 38500 492 150.0 www.hongmeigui.net/deepandlong.php 04/17
102 Nettlebed Cave System  (Blizzard Pot top entrance,Stormy Pot) New Zealand South Island Mt Arthur 23.769 38252 3927 1197.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
103 Sistema de las Fuentes de Escuain (Badalona B15-B1) Spain Huesca Escuain 23.626 38023 3776 1151.0 Jose Luis Membrado e-mail 01/19
104 Sistema de Pan de Azucar Cuba Pinar del Rio S.del Rosario 23.612 38000 0 0.0 The NSS News V57N10P300 10/99
105 Sistema Cuetzalan - Atepolihuit Mexico Puebla Curtzalan 23.411 37676 2159 658.0 Mark Minton e-mail 06/16
106 Grotte de la Luire France Drome Vercors 23.341 37563 1795 547.0 The International Caver #24 P36 06/17
107 Jamski sustav Kita Gacesina - Drazenova puhaljka Croatia Juzni Velebit Crnopac 23.232 37389 2418 737.0 Aida Barisic e-mail 12/18
108 The Hole (Boggs Cave) U.S.A. West Virginia Greenbrier 23.003 37020 225 68.6 Bill Balfour 09/91
109 Sistemul Humpleu-Poienita Romania Cluj Mtii Bihor  22.742 36600 1030 314.0 Victor Ursu e-mal 01/16
110 Coral Cave System U.S.A. Kentucky Pulaski 22.560 36307 340 103.6 Lee Florea e-mail 102/2015
111 Sugar Run Cave System U.S.A. Virginia Giles 22.500 36210 718 218.8 VSS Long & Deep Cave Lists 02/15
112 Lost River Cave System U.S.A. Indiana Orange 22.200 35727 94 28.7 Long cave list for Indiana, Indiana Cave Survey 03/17
113 Complesso di Piaggia Bella Italy Piemonte Marguareis 22.059 35500 3153 961.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
114 Xia, Qikeng, Lanmu Shu, Miao Keng, Xiaogu Chi. Dongba Dong China Chongqing Wulong 22.046 35479 3346 1020.0 http://hongmeigui.net/deepandlong.php?stat+long 08/16
115 Cueva la Vallina (VT.100) Spain Cantabria Arredondo 21.768 35032 646 197.0 Jose Luis Membrado e-mail 01/19
116 Complesso della Carcaraia (Abisso Saragato) Italy Toscana Alpi Apuane 21.748 35000 3691 1125.0 Speleologia N68P102-103  07/17
117 Reseau Andre Lachambre (grotte d'Embulla) France Pyrenees-Orientales Conflent 21.748 35000 243 74.0 D'apres Christophe Levillain 06/17
118 Chestnut Ridge Cave System U.S.A. Virginia Bath 21.580 34730 810 246.9 Nathan Farrar e-mail 01/18
119 TantalHöhle Austria Salzburg Hagengebirge 21.539 34664 1427 435.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
120 Mawandong China Guizhou Zhengan 21.535 34657 1821 555.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 102/2015
121 Lilburn Cave  (N.P.) U.S.A. California Tulare 21.516 34627 508 154.8 Jed Mosenfelder e-mail 01/16
122 Moore Cave System  (Berome & Tom) U.S.A. Missouri Perry 21.480 34569 136 41.5 Chad McCain e-mail 11/18
123 Atea Kananda Papua New Guinea Southern Highland Muller Range 21.437 34500 1148 350.0 The British Caver V94-95 06/17
124 Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega) Spain Cantabria Ruesga 21.341 34345 1112 339.0 Juan Corrin e-mail 11/17
125 Sistema Cueto-Coventosa-Cubera Spain Cantabria Porracolina 21.130 34005 2720 829.0 Jose Luis Membrado e-mail 11/17
126 Majaguas-Cantera (sis.caverna.) Cuba Pinar del Rio S.de San Carlo 21.127 34000 0 0.0 The International Caver 06/17
127 Hidden River System (Hicks Cave) U.S.A. Kentucky Hart 21.100 33957 160 48.8 Carbide Caver V7I10P111 10/98
128 Culverson Creek Cave System U.S.A. West Virginia Greenbrier 20.928 33680 329 100.3 WVASS Database 06/16
129 Blue Spring Cave U.S.A. Indiana Lawrence 20.900 33635 140 42.7 Long cave list for Indiana, Indiana Cave Survey 03/17
130 Ellis Basin System (Tomo Thyme, Exhaleair, & Exhalibur) New Zealand South Island Mt Arthur 20.754 33400 3366 1026.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
131 Reseau du Verneau France Doubs Deservillers 20.692 33300 1270 387.0 Jean-Yves Bigot 01/16
132 Honey Creek Cave U.S.A. Texas Comal 20.689 33296 124 37.8 Texas Speleological Survey via Jerry Atkinson e-mail 08/16
133 Toca da Barriguda Brazil Bahia - 20.505 33000 200 61.0 http://www.sbe.com.br/cavernas_maiores.asp 01/16
134 Terikan System (Rising, East, West) Malaysia Sarawak Mulu 20.240 32573 0 0.0 Matt Kirby e-mail 10/16
135 Ogof Agen Allwedd United Kingdom Wales Powys, Monmouthshire 20.195 32500 525 160.0 www.ukcaves.co.uk/all-longest 01/16
136 Cueva de los Chorros Spain Albacete Riopar 20.195 32500 427 130.0 Clasificacion Por Desnivel 07/16
137 Sistema de la Pena de Mediodia Spain Huesca Pirineos 20.178 32473 2959 902.0 Jose Luis Membrado e-mail 01/19
138 Maxwellton (Cowshit Pit) Cave U.S.A. West Virginia Greenbrier 20.076 32309 482 147.0 Greg Springer e-mail 11/18
139 Reseau des Chuats France   Vercors 19.950 32106 0 0.0 Xavier Robert e-mail 02/18
140 Gouffre Berger - Gouffre de la Fromagere France Isere Vercors 19.753 31790 4341 1323.0 Caver Tim 10/18
141 Kihaje Xontjoa Mexico Oaxaca Cerro Rabon P. 19.494 31373 4012 1223.0 http://www.amcs-pubs.org/longanddeep.html 06/16
142 Grotta di Monte Cucco Italy Umbria Monte Cucco 19.449 31300 3048 929.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
143 Systeme Prerouge - Litorne France Savoie Bauges 19.444 31292 1667 508.0    01/16
144 Klarahöhle Austria Oberosterreich Sengsengebirge 19.317 31088 1581 482.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
145 Mesacny tien Slovakia Vysoke Tatry Javorinska Siroka 18.921 30450 1480 451.0 Brano Smida e-mail 01/16
146 Krem Liat Prah/Um IM/Labbit M /RUBONG India Meghalaya Jaintia Hills 18.888 30397 0 0.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
147 Cosanostraloch-Berger-Platteneck Hoehlesystem Austria Salzburg Tennengebirge 18.887 30396 4236 1291.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
148 Trou du Garde / Creux de la Cavale France Savoie Les Deserts 18.765 30200 1066 325.0 Jean-Yves Bigot 01/16
149 Szepvolgyi System (Pal-volgy Cave) Hungary Budapest - 18.703 30100 404 123.0 International Journal of Speleology 44(2) 05/16
150 Gap Cave System (Cudjo's)   (C.G.N.H.P.) U.S.A. Virginia Lee 18.700 30095 491 149.7 Bob Gulden (CRF) 04/17
151 Greenlink - Middle Earth  System New Zealand South Island Takaka Hill 18.641 30000 1276 389.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
152 Reseau de Coufin-Chevaline France Isere Vercors 18.541 29839 1348 411.0 Jean-Yves Bigot 01/16
153 Bettenhohle Switzerland Obwalden Kerns 18.321 29484 2638 804.0 http://ch.speleo.info 01/16
154 Carroll Cave U.S.A. Missouri Camden 18.153 29214 224 68.3 Bob Lerch e-mail 01/16
155 McClung Cave System U.S.A. West Virginia Greenbrier 18.090 29113 200 61.0 Joseph Caldwell l 01/16
156 Butler-Sinking Creek System U.S.A. Virginia Bath 18.060 29065 644 196.4 Tont Canike email 09/16
157 Windy Mouth (Wind) Cave U.S.A. West Virginia Greenbrier 18.000 28968 200 61.0 Jim Hixson 02/89
158 Otscher-Höhlensystem Austria Nieberosterreich Otscher 17.776 28608 2172 662.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
159 Sistema de Tepepa (Ehecatl+Niebla) Mexico Puebla - 17.709 28500 2949 899.0 Desent 209 09/16
160 Reseau de Francheville France Cote-d'Or Francheville 17.523 28200 489 149.0 Jean-Yves Bigot 01/16
161 Fitton (Beauty) Cave U.S.A. Arkansas Newton 17.500 28164 313 95.4 Scott House e-mail Feb-13
162 Jägerbrunntro-Höhlensystem Austria Salzburg Hagengebirge 17.415 28026 3537 1078.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
163 Ogof Daren Cilau System United Kingdom Wales Powys, Monmouthshire 17.398 28000 761 232.0 www.ukcaves.co.uk/all-longest 01/16
164 Old Homestead Cave Australia Western Australia Nullarbor Plain 17.398 28000 0 0.0 International Caver No.7 06/17
165 Hualalai Ranch Cave               (Lava Tube) U.S.A. Hawaii Hawaii 17.265 27785 1449 441.7 Doug Medville e-mail 03/16
166 Thornhill Cave System U.S.A. Kentucky Breckenridge 17.232 27732 0 0.0 Arron Reed Louisville Grotto e-mail 01/16
167 Coldwater Cave U.S.A. Iowa Winneshiek 17.005 27367 80 24.4 Larry Welch e-mail 07/16
168 Verborgene Höhle Austria Oberosterreich Totes Gebirge 16.825 27078 1073 327.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
169 Kingsdale Cave System United Kingdom England North Yorkshire 16.777 27000 541 165.0 www.ukcaves.co.uk/all-longest 01/16
170 Green Cathedral/Turtle Cave System Malaysia Sarawak Gunung Buda 16.759 26971 997 304.0 NSS News V62N8P225 08/16
171 Cueva de Rescano - Torca de la Luna Llena Spain Cantabria ? 16.691 26862 0 0.0 Jose Luis Membrado e-mail 11/17
172 Sistema Sand Crack   (Underwater) Mexico Quintana Roo Tulum 16.619 26746 58 17.7 QRSS Long Caves List 10/18
173 Bigfoot Cave U.S.A. California Siskiyou 16.250 26152 1205 367.3 Scott Linn e-mail 10/16
174 Powell's Cave System U.S.A. Texas Menard 16.246 26145 79 24.1 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
175 Reseau de Bunant France Haute Savoie Parmelan 16.235 26128 1188 362.0 Jean-Yves Bigot 01/16
176 Baradla barlang-Domica jaskyna Slovak / Hungary Slovak / Aggtelek Karst Kecovo - Josvafo 16.196 26065 381 116.0 P.Bella - P.Gruber e-mail 02/15
177 Gran Sistema Cavernaio de Fuentes Cuba Pinae del Rio Sierra de Mesa 16.156 26000 0 0.0 The International Caver #8 06/17
178 Perdidos (sis.cavernario de los) Cuba Pinar del Rio S. del Roario 16.156 26000 0 0.0 Speleolgia 05/17
179 Rumbling Falls Cave. U.S.A. Tennessee Van Buren 16.091 25896 474 144.5 Marion O.Smith per TCS 02/15
180 Reseau Jean Bernard France Haute Savoie Haute-Giffre 15.852 25512 5256 1602.0 Xavier Robert e-mail 02/18
181 Mystery Cave System U.S.A. Missouri Perry 15.842 25495 0 0.0 M.S.S. Walsh 02/15
182 Complesso del ReleccioAlfredo Bini Italy Lombardia Grigna. Settentrionale 15.780 25396 4308 1313.0 Andrea Maconi e-mail 09/17
183 Sistema Tibia-Fresca Spain Cantabria Porracolina 15.754 25353 1663 507.0 Jose Luis Membrado e-mail 02/15
184 Tjoarvekrajgge Norway Nordland Sorfold 15.638 25167 1631 497.0 Torstein Finnesand e-mail 08/16
185 Sistema Nohoch Pek - Muk K'in   (Underwater) Mexico Quintana Roo Tulum 15.634 25160 61 18.6 QRSS Long Caves List 10/18
186 Fern Cave                           (597) U.S.A. Alabama Jackson 15.630 25154 536 163.4 Fern Cave Project 06/17
187 Mountain Eye Cave System          (Saltpeter) U.S.A. Tennessee Fentress 15.587 25085 280 85.3 Tenn. Cave Survey 03/87
188 Sistema Buso della Rana / Pisarela Italy Veneto Faedo-Casaron 15.555 25033 738 225.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
189 Kuchlberg-Hoehlesystem (Gamskar+Felsbrü..vorl. West) Austria Salzburg Tennengebirge 15.534 25000 2087 636.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
190 Krasnaya (Kyzyl-Toba) (Qizil Qoba) Ukraine Crimea - 15.180 24430 656 200.0 Inced O. e-mail 06/18
191 Gouffre Lonne-Peyret (Reseau des Arres Planeres) France Pyrenees-Atlantiques Pierre Saint Martin 15.125 24341 2648 807.0 Jean-Yves Bigot 01/16
192 Nunley Mtn.Cave System (Maria Angela Grotto) U.S.A. Tennessee Grundy 15.080 24269 350 106.7 David Parr per TCS 02/15
193 Dof-Sonnenleiter-Höhlensystem Austria Totes Gebirge Styria 15.020 24172 3583 1092.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
194 Cave Creek Cave System U.S.A. Kentucky Pulaski 15.010 24156 170 51.8 COG Squeaks 05/16
195 Foglepole Cave U.S.A. Illinois Monroe 15.000 24140 0 0.0 NSS News V56N4P114 04/98
196 Postojnska jama Slovenia Notranjska Postojnski kras 14.987 24120 377 115.0 http://www.postojnska-jama.eu/en/news/2015/postojna-cave-extended-by-3-5-kilometres/ 04/17
197 Illyuzia-Mezhonnogo-Snezhnaya Georgia Abkhazia West Caucasus 14.963 24080 5751 1753.0 de Alexey Shelepin (jefe de expedicicion) 09/16
198 Clearwell Caves (Part Mine) United Kingdom England Gloucestershire 14.913 24000 351 107.0 www.ukcaves.co.uk/all-longest 01/16
199 Puerto Princesa Subterranean River(St.Pauls Underground River Cave) Philippines Palawan Island - 14.913 24000 328 100.0 Wikipedia 08/16
200 Benedicts (Persinger) Cave U.S.A. West Virginia Greenbrier 14.850 23899 254 77.4 WVASS Database 06/16
201 Sistema Soconusco Mexico Chiapas - 14.823 23856 1683 513.0 Taco van Leperen via Mark Minton e-mail 01/16
202 Torca de la Vaca - Wil Ware Spain Cantabria Entrambasaguas 14.778 23783 220 67.0 Jose Luis Membrado e-mail 18/18
203 Akkado Japan Iwate - 14.726 23700 0 0.0 - 05/16
204 jaskinia Wielka Sniezna Poland Czerwone Wierchy Malolaczniak 14.677 23620 2703 824.0 Polish Caving 2005-2009 06/16
205 Big Horn - Horsethief Cave System U.S.A. Wyoming / Montana Bighorn 14.615 23521 171 52.1 Even Gehring e-mail 02/15
206 Systeme de Foussoubie France Ardeche Bas-Vivarais 14.457 23266 453 138.0 Jean-Yves Bigot 01/16
207 Cueva Coyolat Mexico Puebla Tlacotepec 14.292 23000 2034 620.0 Gustavo e-mail AMCS#29 05/16
208 Complesso Fiume-Vento Italy Marche Frasassi 14.292 23000 804 245.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
209 Mini - Martin Cave - Exit Cave Australia Tasmania Ida Bay 14.292 23000 722 220.0 Sherry Juneo 06/17
210 Cuevas de Bellamar Cuba Matanzas - 14.292 23000 0 0.0 http://www.ecured.cu/index.php/Cuevas_de_Bellamar 10/16
211 Reseau de Fuilla - Canalettes France Pyrenees-Orientales Conflent 14.292 23000 0 0.0 D'apres Christophe Levillain 06/17
212 Rimstone River Cave U.S.A. Missouri Perry 14.200 22853 0 0.0 M.S.S. Walsh 02/15
213 Systeme Biolles - Squelettes - Crolleurs France Savoie Margeriaz 14.155 22781 1939 591.0 Jean-Yves Bigot 01/16
214 Bone - Norman Cave System U.S.A. West Virginia Greenbrier 14.118 22721 186 56.7 Bill Douty e-mail 12/97
215 Almberg-Höhlensystem Austria Steiermark Totes Gebirge 14.090 22676 991 302.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
216 Kryshtaleva (Kristal'naja)      (Gypsum) Ukraine Ternopil Borshchiv 14.049 22610 66 20.0 cavemlynky@gmail.com  09/17
217 Grotta della Bigonda Italy Trentino A.A. Alt.di Asingo 14.043 22600 1476 450.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
218 Burgunderschacht Austria Oberosterreich Totes Gebirge 14.036 22588 2782 848.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
219 Grotte d'Arphidia France Pyrenees-Atlantiques Pierre Saint Martin 14.027 22575 2336 712.0 Jean-Yves Bigot 01/16
220 Jenolan System Australia NSW - 13.983 22503 348 106.0 Mark Sefton e-mail 07/16
221 Black Rock Cave Malaysia Sarawak Mulu 13.981 22500 0 0.0 - -
222 Cueva del Soplao Spain Cantabria Sierra de Arnero 13.970 22483 0 0.0 Jose Luis Membrado e-mail 05/16
223 Baishui Dong China Guizhou Jiang Kou 13.950 22450 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 08/16
224 Sistema de Cubija (North Vega System) Spain Cantabria Matienzo 13.924 22408 482 147.0 Juan Corrin e-mail 11/17
225 Stratenska jaskyna - Psie diery Slovakia Spissko-gemersky Slovensky raj 13.834 22264 636 194.0 www.drienka.host.sk/najdlhsie.php 01/16
226 Gouffre Nebele France Pyrenees-Atlantiques Aquitaine 13.813 22230 755 230.0 Jean-Yves Bigot 01/16
227 Pestera din Piriul Hodobanei   Romania Alba Mtii Bihor  13.758 22142 594 181.0 Victor Ursu info  09/16
228 Krem Tyngheng/Diengjem India Meghalaya Jaintia Hills 13.719 22078 0 0.0 Descent 243 P33 04/17
229 Abisso Bueno Fonteno Italy Lombardia Fonteno 13.670 22000 0 0.0 Speleologia N68P102-103  06/16
230 Sistema del Hoyon de Saco(Sistema del Hoyo Grande) Spain Cantabria Porracolina 13.546 21800 1739 530.0 Clasificacion Por Desnivel 07/16
231 Sistema del Rio Encantado Puerto Rico - Florida,Ciales,Manati 13.527 21770 1129 344.0 Mark Minton e-mail 06/16
232 Torca la Vaca - Woil Mare Spain Cantabria Mortilliano 13.444 21636 0 0.0 Jose Luis Membrado e-mail 05/16
233 Krem KotSati/Um Lawan India Meghalaya Jaintia Hills 13.378 21530 705 215.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
234 Groaning Cave U.S.A. Colorado Garfield 13.270 21356 149 45.4 Derek Bristol e-mail 08/16
235 Big Bat Cave U.S.A. Kentucky Breckenridge 13.250 21324 0 0.0 Steve Gentry e-mail 06/16
236 Pha Soung   (Tham Hay) Laos Khammouane - 13.056 21012 0 0.0 Liviu Valenas on FB 11/17
237 Castleguard Cave Canada Alberta Rocky Mountain 13.056 21011 1260 384.0 Canadian Caver 75  01/16
238 Abisso Paolo Roversi Italy Toscana Alpi Apuane 13.049 21000 4429 1350.0 Andrea Maconi e-mail 07/16
239 Reseau des Grottes aux Fees Switzerland Vallorbe Vaud 13.049 21000 745 227.0 http://ch.speleo.info 01/16
240 Perte de Massar France Aveyron Causse de Limogne 13.049 21000 394 120.0 Claude Milhas 01/16
241 Emesine Cave (1881 System)        (Lava Tube) U.S.A. Hawaii Hawaii 12.890 20744 1433 436.8 Don Coons e-mail 03/16
242 Mystery Cave System U.S.A. Minnesota Fillmore 12.790 20584 101 30.8 Minnesota Speleology 08/87
243 Conjunto Sao Mateus/Imbira Brazil Goias Sao Domingos 12.763 20540 0 0.0 AGCM 06/17
244 Selminum Tem Papua New Guinea Western Prov. Hindenburg Rng 12.738 20500 449 137.0 B.C.R.A. Bulletin 05/17
245 Pestera Topolnita (Complexui ?) Romania Mahedinti Podisul Mahedinti 12.738 20500 417 127.0 International Caver #11 06/17
246 Anvil Cave                           (279) U.S.A. Alabama Morgan 12.667 20386 51 15.5 Alabama Cave Survey 04/80
247 Gradys (Mammoth River) Cave System U.S.A. Kentucky Hart 12.600 20278 120 36.6 Carbide Caver V7I9P111 10/98
248 Jaskyna Mrtvych netopierov Slovakia Nizke Tatry Dumbier 12.549 20195 1063 324.0 www.drienka.host.sk/najdlhsie.php 01/99
249 Sistemul Ciur - Ponor - Toplita de Rosia Romania Bihor Mtii Padurea Craiului 12.521 20150 748 228.0 Victor Ursu e-mal 01/16
250 Complesso del Foran del Muss Italy Friuli VG Canin Massif 12.427 20000 3668 1118.0 Speleologia N68P102-103  07/17
251 Aven Noir France Aveyron Grands Causses 12.427 20000 351 107.0 info FFS 01/16
252 Sistema cueva del Agua - Barbancho - Socueto - Nispero Spain Burgos - 12.427 20000 0 0.0 Jose Luis Membrado e-mail 01/16
253 Delissea Cave System U.S.A. Hawaii Hawaii 12.408 19969 1952 595.0 Peter Bosted e-mail 09/16
254 Interessante Höhle Austria Salzburg Hagengebirge 12.375 19916 2881 878.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
255 Dry Cave U.S.A. New Mexico Eddy 12.222 19669 279 85.0 Stan Allison via Pete 03/16
256 SchrattenHoehle Switzerland Obwalden Kerns 12.207 19645 1880 573.0 http://ch.speleo.info 06/16
257 Ellisons Cave U.S.A. Georgia Walker 12.127 19517 1063 324.0 Georgia Underground V24N1 03/87
258 Lingshandong China Guizhou Zhengan 11.993 19301 1591 485.0 Long Caves in China by Erin Lynch 01/16
259 Torca de los Corrales del Trillo (Sistema Pena del Trillo-La Tramasquera) Spain Cantabria / Burgos - 11.992 19300 1430 436.0 Clasificacion Por Desnivel 07/16
260 V5 Sistemul Varasoaia (V5-V24) Romania Bihor Mtii Bihor  11.961 19250 2142 653.0 Victor Ursu e-mal 01/16
261 Griebkar-Höhlensystem (Platten- und Eiferkogleschacht) Austria Steiermark Totes Gebirge 11.920 19184 2087 636.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
262 Riesending-Schachthohle Germany Bavaria Untersgberg Mtns. 11.868 19100 3766 1148.0 Thomas Matthalm e-mail 102/2015
263 Sistema del Faro-Isla de Mona Puerto Rico Isla de Mona Mayaguez 11.868 19100 118 36.0 Marc Ohms e-mail 04/17
264 Grotte de Neuvon France Cote-d'Or Plom.-les-Dij. 11.868 19100 115 35.0 Spelunca #56 06/17
265 Pleasant Ridge Cave U.S.A. Tennessee Cannon 11.850 19071 340 103.6 Hal Love e-mail 03/16
266 Sima de las Puertas de Illaminako Ateeneko Leizea (BU.56) Spain Navarra Larra 11.806 19000 4619 1408.0 Caver Tim 10/18
267 Feihu Dong China Hunan Longshan 11.806 19000 1115 340.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 102/2015
268 Red de Toneyo Spain Asturias Macizo del Cornion 11.787 18970 2014 614.0 List of Spains Longest & Deepest (WWW) 04/98
269 Hang khe Rhy Vietnam Quang Binh - 11.756 18920 0 0.0 Peter MacNab e-mail 07/16
270 Cueva Guerta Spain Asturias Pena Biguere 11.751 18911 0 0.0 Jose Luis Membrado e-mail 11/17
271 Reseau Fanges - Paradet France Pyrenees-Orientales Fenouilledes 11.702 18832 984 300.0 Bernard Ournie e-mail 09/16
272 Cueva del Hoyo Salcedillo Spain Cantabria Porracolina 11.682 18800 1745 532.0 Jose Luis Membrado e-mail 102/2015
273 Russell Cave   (N.M.)        (169) U.S.A. Alabama Jackson 11.626 18710 400 121.9 Jason Richards   11/17
274 Sistema sima GESM - sima de la Luna Spain Malaga Sierra de las Nieves 11.593 18657 3474 1059.0 Jose Luis Membrado e-mail 11/17
275 Pielklieng-Sielkan Pouk river cave India Meghalaya Jaintia Hills 11.558 18600 0 0.0 Descent 255 p28 05/17
276 Wells Cave U.S.A. Kentucky Pulaski 11.496 18501 0 0.0 NSS News V57N10P308 10/99
277 Complesso Mutera - Fantozzi Italy Piemonte Ormea 11.435 18403 0 0.0 Speleologia N68P102-103  06/16
278 Rhar Bou Ma'za (Tafna River Cave) Algeria Tilimsen Tilimsen Range 11.433 18400 0 0.0 Atlas - Great Caves of the World 06/17
279 Wit Tamdoun Morocco Agadir Immouzer 11.433 18400 0 0.0 Caves & Caving I84 Sum99
280 Beacon Woods - Waynes World System               U.S.A. Florida Pasco 11.364 18289 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
281 Luweng Jaran    Indonesia Java Timur Pacitan 11.309 18200 394 120.0 Tim Stratford (International Caver) 03/96
282 Duhlata (D(a)(ou)hklata) Bulgaria - Pernik 11.309 18200 230 70.0 Caves of Bulgaria 07/16
283 Cueva del Saman Venezuela Edo Zulia Fundo las Pis. 11.309 18200 0 0.0 Franco Urbani 06/17
284 Krem UmTHLOO-SYNRANG Labbit India Meghalaya Jaintia Hills 11.297 18181 617 188.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
285 Pestera de la Izvorul Tausoare Romania Bistrita-Nasaud Mtii Rodnei  11.251 18107 1512 461.0 Victor Ursu e-mal 01/16
286 Ambatoharanana Madagascar Ambilobe Ankarana 11.247 18100 0 0.0 Atlas - Great Caves of the world 06/17
287 Cueva de Mairuelegorreta Spain Araba Gorbea 11.239 18088 0 0.0 Jose Luis Membrado e-mail 08/18
288 Cathedral-Falmouth System        U.S.A. Florida Suwannee 11.199 18023 190 57.9 Casey McKinlay e-mail 10/17
289 Grotte de Gournier France Isere Vercors 11.185 18000 2231 680.0 The International Caver #21P41 06/17
290 Goochland - Poplar Cave Complex U.S.A. Kentucky Rockcastle 11.180 17992 0 0.0 Kentucky Speleo-Fest Guidebook 06/16
291 Sistema Lecherines Spain Huesca Macizo de Aspe 11.060 17800 3310 1009.0 Jose Luis Membrado e-mail 01/16
292 Tanne aux Cochons - Tanne Froide France Savoie margeriaz 10.995 17694 2700 823.0 Jean-Yves Bigot 01/16
293 Chu Yan (Xiniu) Dong China Guizhou An Long 10.936 17600 1165 355.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 06/17
294 Peak/Speedwell System (part mine) United Kingdom England Derbyshire 10.930 17590 814 248.0 www.ukcaves.co.uk/all-longest 01/16
295 Torca del Regato Calero Spain Cantabria - 10.874 17500 0 0.0 Jose Luis Membrado e-mail 11/17
296 Sistema Nohoch Kai    Mexico Quintana Roo Tulum 10.873 17498 85 25.9 QRSS Long Caves List 10/18
297 Cave system of Crnelsko brezno  Slovenia Julian Alps Rombonski Podi 10.857 17473 4570 1393.0 Peter Svete e-mail 12/18
298 Sistema de Partacua Spain Huesca Pirineos 10.829 17427 2707 825.0 Jose Luis Membrado e-mail 08/18
299 Aven du Sotch de la Tride France Aveyron Grands Causses 10.812 17400 1122 342.0 Liste Drouin 06/17
300 Grotta del Bue Marino Italy Sardinia Dorgali 10.812 17400 0 0.0 Speleologia N68P102-103  06/16
301 Crumps Spring Cave U.S.A. Kentucky Hart 10.740 17284 140 42.7 Joe Saunders 09/89
302 Duobing Dong China Guizhou Xiuwen/Xifeng 10.694 17210 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 102/2015
303 Sistema la Verdilluenga Spain Asturias Picos de Europa 10.685 17196 2969 905.0 Jose Luis Membrado e-mail 11/17
304 Tham Chom Ong System Laos Xai Oudoaxay 10.657 17150 0 0.0 Eurospeleo Magazine N2P66 07/17
305 Conjunto Santa Rita Brazil Iraquara Bahia 10.594 17050 0 0.0 Vulcains #53P45 06/17
306 Cueva del Viento-cueva del Sobrado (Lava Tube) Spain Canarias Island Tenerife Is. 10.583 17032 1837 560.0 Grupo de Espeleologia Tebexcorade 04/17
307 Neide - Muruk Cave Papua New Guinea New Britain Galowe Plateau 10.563 17000 4127 1258.0 Deep Cave List by Philippe Drouin 02/15
308 Petroglyph Cave (part of the Caves Branch S.) Belize - - 10.563 17000 0 0.0 Tom Miller e-mail 01/16
309 Reseau du Rupt du Puits France Meuse Barrois 10.563 17000 0 0.0 D'apres Stephane Jaillet 06/17
310 Katalehkhor Cave Iran Zanjan - 10.563 17000 0 0.0 - 10/16
311 Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi Italy Sardinia Dorgali 10.563 17000 0 0.0 Speleologia N68P102-103  06/16
312 Gaping Gill System United Kingdom England North Yorkshire 10.501 16900 650 198.0 www.ukcaves.co.uk/all-longest 01/16
313 Portal-BoarHole System U.S.A. West Virginia Greenbrier 10.466 16843 333 101.5 WVASS Database 02/15
314 Aven de la Leicasse France Herault Grands Causses 10.271 16530 1168 356.0 Jean-Yves Bigot 01/16
315 James (Thousand Domes) Cave U.S.A. Kentucky Edmonson 10.250 16496 0 0.0 Glenn Merrill 07/84
316 Reseau de la Couze (Correze) France Correze Causse de Martel 10.207 16426 338 103.0 Thierry Apriland via Yvonne e-mail 01/16
317 Sistema Roraima Sur Venezuela - - 10.190 16400 0 0.0 2009 NSS/ICS Kerrville Texas 07/16
318 Sustav Dulin ponor - Medvedica Croatia Hrvatska Ogulin 10.188 16396 0 0.0 http://public.srce.hr/speleo/karta.html 06/17
319 Pestera din Valea Rea Romania Bihor Mtii Bihor  10.164 16357 1220 372.0 Victor Ursu e-mal 01/16
320 Sistema Kulogorskaya-Troya              (Gypsum)   Russia Arkhangelsk Pinega 10.096 16248 59 18.0 Karst and cave Pinega's   -  Victor Malkov, Evgeny Gurkalo 06/16
321 Cueva Tonio - Cayueia Spain Cantabria Porracolina 10.073 16211 0 0.0 Jose Luis Membrado e-mail 01/16
322 Cloud Cave - Cobra Cave - Bridge System Malaysia Sarawak Mulu 10.019 16124 1083 330.0 Matt Kirby e-mail 02/15
323 Cueva Ojos de Cristal Venezuela Roraima - 10.004 16100 240 73.0 NSS News V68N7P17 07/16
324 Hidden River Cave U.S.A. Kentucky Hart 10.000 16093 0 0.0 Dave Foster e-mail 02/18
325 Perkins Cave U.S.A. Virginia Washington 9.997 16089 300 91.4 Virginia Speleological Survey 06/16
326 Krubera (Voronja) Cave Georgia Abkhazia West Caucasus 9.978 16058 7208 2197.0 www.karstworlds.com/2012/08/krubera-voronya-record-depth-record 08/16
327 Gouffre de Cabrespine (lo Gaugnas) France Aude Montagne Noire 9.978 16058 804 245.0 Jean-Yves Bigot 01/16
328 Pahoa Cave(s) (segmentation??)    (Lava Tube) U.S.A. Hawaii Hawaii 9.942 16000 1150 350.5 Lava Tube Flow e-mails 05/16
329 Complesso Cappa-18-Denver-Straldi Italy Piemonte Briga Alta 9.942 16000 2559 780.0 Speleologia N68P102-103  06/16
330 Dan yr Ogof United Kingdom Wales Powys 9.942 16000 492 150.0 www.ukcaves.co.uk/all-longest 01/16
331 Poulnagollum - Poulelva Ireland Co.Clare - 9.942 16000 459 140.0 www.ukcaves.co.uk/all-longest -
332 Igues de Goudou - Lacarriere France Lot Causse de Gramat 9.942 16000 394 120.0 Jean-Yves Bigot 01/16
333 Snail Shell Cave System U.S.A. Tennessee Rutherford 9.926 15974 144 43.9 Jeff Sims 07/86
334 Dunbar Cave - Roy Woodard System  (Saltpeter) U.S.A. Tennessee Montgomery 9.850 15852 119 36.3 Tony Groves e-mail 09/16
335 ``uta do Padre Brazil Bahia Santana 9.818 15800 0 0.0 International Caver No.1 10/91
336 Entrada Caapechen  (Cenote Manatee)         Mexico Quintana Roo Tulum 9.717 15638 92 28.0 QRSS Long Caves List 10/18
337 Sullivan Cave U.S.A. Indiana Lawrence 9.632 15501 105 32.0 Long cave list for Indiana, Indiana Cave Survey 03/17
338 Borne aux Cassots France Jura Nevy-sur-Seile 9.631 15500 472 144.0 Jean-Yves Bigot 01/16
339 Big Bone Cave                     (Saltpeter) U.S.A. Tennessee Van Buren 9.627 15493 226 68.9 John Smyre 06/84
340 Springs Cave, Jackson Blue       U.S.A. Florida Jackson 9.591 15436 100 30.5 Ben Martinez e-mail 04/18
341 Diros Cave Greece Peloponnese Laconia 9.569 15400 0 0.0 www.selas.org 10/16
342 Leandras Cave U.S.A. Arizona Coconino 9.547 15364 378 115.2 map at park Headquarters via Greg e-mail 06/16
343 Sistema de las Bernias Spain Burgos Lunada 9.532 15340 906 276.0 Clasificacion Por Desnivel 07/16
344 Hang Vom Vietnam Quang Binh - 9.513 15310 0 0.0 Peter MacNab e-mail 07/16
345 Cueva de Alpazat Mexico Puebla - 9.445 15200 0 0.0 http://www.amcs-pubs.org/longanddeep.html 01/16
346 Kacna Cave (System) Slovenia Divaski Karst - 9.433 15181 919 280.0 Longest & Deepest Caves of Slovenia 04/17
347 Lazareva Cave Serbia     9.388 15108 0 0.0 Robert Misic 11/18
348 Ariadne Cave System Hungary Pest megye Pilis mountain 9.383 15100 669 204.0 www.ariadneegyesulet.hu 07/16
349 Sof Omar Holluca Ethiopia Bale Ityopya 9.383 15100 49 15.0 Atlas - Great Caves of the World 06/17
350 Complesso Omber en Banda al Bus del Zel-791 Italy Lombardia Cariadeghe 9.321 15000 1411 430.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
351 Reseau de Malissard France Isere / Savoie Chartreuse 9.321 15000 1362 415.0 Jean-Yves Bigot 01/16
352 Altherrenlabyrinth Austria Salzburg Tennengebirge 9.321 15000 1296 395.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
353 Grotte de la Cigalere France Ariege Pyrenees 9.321 15000 748 228.0 Spelunca #56 (Not on the TIC List) 06/17
354 Sistema Constantino Cuba Pinar del Rio - 9.321 15000 0 0.0 WLCL -
355 Gratta Su Bentu - Sa Oche Italy Sardinia Nuoro 9.321 15000 0 0.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
356 Cueva de la Lastrilla Spain Cantabria - 9.321 15000 0 0.0 Clasificacion Por Desnivel 07/16
 
 
WORLDS LONGEST CAVES   Compiled by: Bob Gulden - Jan.13, 2019
Text Box: Parse Text Box: Parse
CAVES WITH TOTAL LENGTH OF 15000+ METERS (9.321 miles, 49,213 feet)
Send updates and corrections to caverbob@aol.com
The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com           Copyright 2019 NSS Geo2, Bob Gulden NSS#13188LF
Do not ask for cave locations, I will not give them out.
 
          LENGTH LENGTH DEPTH DEPTH    
# CAVE  NAME COUNTRY STATE COUNTY MILES METERS FEET METERS SOURCE DATE
1 Mammoth Cave System   (N.P.) U.S.A. Kentucky Ed./Hart/Bar. 410.105 660000 407 124.1 CRF / CKKC  +/-5 MILES 01/19
2 Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu)     (Underwater+Dry) Mexico Quintana Roo Tulum 224.035 360550 332 101.2 Peter Sprouse FB 01/19
3 Jewel Cave    (N.M.) U.S.A. South Dakota Custer 200.300 322352 815 248.4 Mike Wiles   12/18
4 Sistema Ox Bel Ha                Mexico Quintana Roo Tulum 167.878 270173 114 34.7 http://www.amcs-pubs.org/longanddeep.html 09/89
5 Optymistychna           Ukraine Ternopil Borshchiv 159.692 257000 49 15.0 Vyacheslav Apostolyuk 09/17
6 Wind Cave     (N.P.) U.S.A. South Dakota Custer 149.010 239808 636 193.9 Marc Ohms e-mail 10/18
7 Shuanghe Dongqun China Guizhou Suiyang 148.184 238479 1916 584.0 Jean Bottazzi e-mail 12/17
8 The Clearwater System (Gua Air Jernih)   Malaysia Sarawak Mulu 141.057 227009 1165 355.1 Hugh St.Lawrence e-mail 06/18
9 Lechuguilla Cave   (C.C.N.P.) U.S.A. New Mexico Eddy 138.300 222572 1604 488.9 Stan Allison e-mail 06/16
10 Hoelloch Switzerland Schwyz Muotatal 125.483 201946 3079 938.6 http://ch.speleo.info/cavelist.php?mode=length 09/16
11 Fisher Ridge Cave System U.S.A. Kentucky Hart 125.250 201570 356 108.5 Ronnie Harrison e-mail 01/16
12 Siebenhengste-hohgant Hoehlensystem Switzerland Bern Eriz/Beat./Ha. 97.555 157000 4396 1340.0 http://ch.speleo.info 06/16
13 Sistema del Alto Tejuelo Spain Cantabria Porracolina 94.171 151554 2005 611.0 Jose Luis Membrado e-mail 11/18
14 Schoenberg-Höhlensystem (RaucherkarHöhle-Feuertal-höhlensystem) Austria Oberosterreich Totes Gebrige 91.847 147813 3481 1061.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
15 Sistema del Mortillano Spain Cantabria Porra de Mortillano 89.477 144000 3117 950.0 Jose Luis Membrado e-mail 11/18
16 Ozerna                             (Gypsum) Ukraine Ternopil Borshchiv 87.296 140490 115 35.0 Vyacheslav Apostolyuk 09/17
17 Schwarzmooskogelhoehlensystem Austria Steiermark Totes Gebirge 83.159 133831 3691 1125.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
18 Bullita Cave System (Burke's Back Yard) Australia Northern Territory Gregory N.P. 74.813 120400 75 23.0 Mark Sefton (Cave Exploration Group of South Australia) 09/16
19 Sistema del Gandara Spain Cantabria Porracolina 71.474 115026 2671 814.0 Jose Luis Membrado e-mail 01/18
20 Hirlatzhöhle Austria Oberosterreich Dachstein 70.171 112929 5118 1560.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
21 Toca da Boa Vista Brazil Bahia Campo Formoso 68.972 111000 164 50.0 http://www.sbe.com.br/cavernas_maiores.asp 06/17
22 Systeme de Ojo Guarena Spain Burgos Merindad de Sotoscueva 68.351 110000 633 193.0 http://www.grupoedelweiss.com/ 09/16
23 Reseau Felix Trombe / Henne-Morte France Haute-Garonne Coume Ouarnede 65.721 105767 3294 1004.0 Caver Tim 10/18
24 Sistema K'oox Baal  - Sistema Tux Kupaxa     (Underwater+Dry) Mexico Quintana Roo Tulum 58.454 94072 86 26.2 QRSS Long Caves List 10/18
25 Sistema Purificacion Mexico Tamaulipas Villa Hidalgo 58.257 93755 3127 953.0 http://www.amcs-pubs.org/longanddeep.html 06/16
26 Zolushka                             (Gypsum) Ukraine / Moldova Briceni/Cernivci Nowoselyzja 56.573 91045 98 30.0 cavemlynky@gmail.com  09/17
27 Three Counties System United Kingdom England N.York.,Lanc., Cumbria 53.823 86619 692 211.0 Wookey e-mail 10/17
28 Sistema Huautla Mexico Oaxaca Huautla de Ji. 52.817 85000 5118 1560.0 Bill Steel FB 01/19
29 Gouffre de la Pierre Saint Martin - gouffre des Partages France / Spain Pyrenees-Atlantiques Pierre Saint Martin 51.977 83649 4619 1408.0 http://arsip.free.fr/index.php?option=com_content&task=view&id=76&itemid=56 01/16
30 Complesso del Monte Corchia (Fighiera,Farol.)- Su Palu Italy Toscana Alpi Apuane 47.224 76000 3894 1187.0 Guido Baroncni Turricchia e-mail 07/17
31 Barenschacht Switzerland Bern Beatenberg 47.204 75967 3212 979.0 http://ch.speleo.info 01/16
32 Friars Hole Cave System U.S.A. West Virginia Green./Pocoho. 46.914 75500 613 186.8 Doug Medville 12/17
33 Sima del Hayal de Ponata-Rebollar II (SI-44,SI-57,SR-7) Spain Araba/Bizkaia/Burgos Sierra Salvada/Gorobel M. 46.603 75000 1362 415.0 Jose Luis Membrado e-mail 01/19
34 Cova des Pas de Vallgornera      Spain Balearics Llucmajor 46.132 74242 69 21.0 Jose Luis Membrado e-mail 08/16
35 Bulmer Caverns ( Castle Keep - Gormenghast) New Zealand South Island Mt Owen 44.739 72000 2477 755.0 Descent  (245) P24 08/16
36 Binkley's Cave System U.S.A. Indiana Harrison 44.243 71202 140 42.7 Gary Roberson e-mail 02/18
37 Ogof Draenen United Kingdom Wales Monmouthshire 43.496 70000 495 151.0 www.ukcaves.co.uk/all-longest 01/16
38 Hellhole System U.S.A. West Virginia Pendleton 42.200 67914 737 224.6 GVKS 08/16
39 San Wang Dong China Chongqing Wulong 42.145 67825 1125 343.0 Descent 231 05/16
40 Botovskaya Russia Lrkutsk Sredne 42.096 67747 131 40.0 Alexander Osinzev e-mail 02/15
41 Dachstein-MammutHoehle Austria Oberosterreich Dachstein 41.903 67437 3960 1207.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
42 Reseau de l'Alpe France Isere / Savoie Chartreuse 41.801 67272 2149 655.0 Jose Luis Membrado e-mail 01/16
43 Kazumura Cave                     (Lava Tube) U.S.A. Hawaii Hawaii 40.700 65500 3614 1101.5 HSS Newsletter N9P7 06/16
44 Blue Spring Cave                U.S.A. Tennessee White 40.000 64374 307 93.6 Jason Riichards e-mail 10/16
45 Organ Cave System U.S.A. West Virginia Greenbrier 38.452 61882 486 148.1 WVASS Database 05/16
46 Complesso della Valle del Nose Italy Lombardia Pian del Tivano 38.028 61200 1801 549.0 Andrea Maconi e-mail 04/17
47 Arresteliako ziloa(Souffleur de Larrandaburu) France Pyre. Atlantiques/Navarra Pierre Saint Martin 37.868 60943 2740 835.0 http://arsip.free.fr/ 09/16
48 Sistema Xunaan Ha     (Underwater+Dry) Mexico Quintana Roo Tulum 37.559 60445 89 27.1 QRSS Long Caves List 10/18
49 Cueva del Valle (Red Del Silencio) Spain Cantabria Vizcaya 37.421 60223 1565 477.0 www.federacionaragonesaespeleologia.com/ 05/16
50 Lämprechtsofen Höhlensystem Austria Salzburg Leoganger Steinberge 37.282 60000 5692 1735.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
51 Sistema de los Cuatro (4) Valles  Spain Cantabria Solorzano 36.836 59282 358 109.0 Jose Luis Membrado e-mail 06/18
52 Double Bopper Cave U.S.A. Arizona Coconino 36.710 59079 618 188.4 Jason Ballenski e-mail 01/18
53 Bol'shaja Oreshnaja            (Conglomerate) Russia Russia Kransnojarsk 36.040 58000 787 240.0 International Caver 2000 P78 06/17
54 Scialet de les Nuits Blanches - Superieur du clos d'Aspres France Isere Vercors 35.956 57865 3497 1066.0 Xavier Robert e-mail 02/18
55 Kap-Kutan/Promezhutochnaja Turkmenistan Turkistan Gissarsko-Ala. 35.418 57000 1017 310.0 RSIC 06/17
56 Whigpistle System U.S.A. Kentucky Edmonson 34.620 55715 314 95.7 2009 NSS/ICS Kerrville Texas 07/16
57 Fort Stanton Cave U.S.A. New Mexico Lincoln 34.600 55683 441 134.4 Lee H.Skinner e-mail 10/18
58 Systeme du Granier France Isere / Savoie Chartreuse 34.379 55327 1850 564.0 d'Eric Sibert 02/15
59 Mamo Kananda Papua New Guinea Southern Highland Muller Range 34.051 54800 1732 528.0 Atlas Des Grandes Cavites Mondia. 06/17
60 Sistema de Atxuriaga (Complex) Spain Bizkaia Galdames 33.973 54675 1791 546.0 Jose Luis Membrado e-mail 08/18
61 Wakulla-Leon Sinks Cave System           U.S.A. Florida Leon/Wakulla 33.760 54331 350 106.7 Casey McKinlay e-mail 10/17
62 Gr. Caverna de Palmarito Cuba Pinar del Rio S. de Vinales 33.554 54000 0 0.0 Info CREI 2001 N10 06/17
63 Mlynky                     (Gypsum) Ukraine Ternopil Chortkiv 32.885 52923 66 20.0 cavemlynky@gmail.com  01/19
64 Teng Long Dong China Hubei Lichuan 32.808 52800 0 0.0 www.hongmeigui.net/deepandlong.php 07/16
65 Carlsbad Cavern   (C.C.N.P.) U.S.A. New Mexico Eddy 32.350 52062 1035 315.5 Lee H.Skinner e-mail 01/16
66 Grotte de Saint-Marcel France Ardeche Bas-Vivarais 31.814 51200 764 233.0 Spelunca No.103,FFS 05/16
67 Benarat Caverns System  (lubang Benerat)  Malaysia Sarawak Mulu 31.484 50669 381 116.0 Tim Allen e-mail 03/16
68 Reseau de la Dent de Crolles France Isere Chartreuse 31.131 50101 2208 673.0 Jean-Yves Bigot 01/16
69 Ogof Ffynnon Ddu United Kingdom Wales Powys 31.069 50000 899 274.0 www.ukcaves.co.uk/all-longest 01/16
70 Crevice Cave U.S.A. Missouri Perry 30.800 49568 0 0.0 Chad McCain e-mail 03/18
71 Sistema Itxina'pe Sarea Spain Bizkaia Gorbea 30.540 49150 0 0.0 Jose Luis Membrado e-mail 10/18
72 Scott Hollow Cave U.S.A. West Virginia Monroe 29.500 47476 571 174.0 WVASS Spring Meeting 05/16
73 Omega System U.S.A. Virginia Wise 29.430 47363 1263 385.0 Mike Ficco e-mail 06/16
74 Sistema Toh Ha   (Underwater) Mexico Quintana Roo Tulum 29.249 47072 42 12.8 QRSS Long Caves List 10/18
75 Sistema de Anielarra  (Anialarra) Spain Nafarroa Larra 28.925 46551 2799 853.0 Paul De Bie e-mail 11/18
76 Kipuka Kanohina (Kula Kai Caverns) (Lava Tube) U.S.A. Hawaii Hawaii 28.700 46188 762 232.3 Bob Richards e-mail 03/16
77 Santo Tomas (gran caverna de) Cuba Pinar del Rio S. de Quemadas 28.583 46000 0 0.0 The NSS News V57N10P300 10/99
78 Sistema Cheve (Cuicateco) Mexico Oaxaca Cuicatlan 28.551 45949 4882 1488.0 Bill Stone e-mail 6/18
79 Sistema Aranonera (Sima S1-S2)(Tendenera connected) Spain Huesca Pirineos 28.115 45246 4426 1349.0 Jose Luis Membrado e-mail 10/16
80 Grotte de la Diau France Haute Savoie Parmelan 27.962 45000 2297 700.0 Bertrand Hauser 102/2015
81 Kolkbluser-Monster-Höhlensystem Austria Salzburg Steinernes Meer 27.643 44487 2372 723.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
82 Cumberland Caverns                (Saltpeter) U.S.A. Tennessee Warren 27.616 44444 200 61.0 Charles Cole 03/92
83 Trou qui souffle France Isere Vercors 26.657 42900 2198 670.0 Descent 243 P32 04/17
84 Frauenmauer-Langstein-Höhlensystem Austria Steiermark Hochsehwab 26.536 42706 2077 633.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
85 Pestera Vantului Romania Bihor Mtii Padurea Craiului 26.200 42165 558 170.0 Victor Ursu info - 34-52km in length 09/16
86 Er Wang Dong China Chongqing Wulong 26.184 42139 1447 441.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 08/16
87 Memorial Day Cave U.S.A. West Virginia Pendleton 26.150 42084 561 171.0 GVKS 08/16
88 Tham Khoun Dori - Houay Sai System Cave Laos Khammouane Ban Na 26.145 42077 853 260.0 Charles Ghommidh e-mail 01/16
89 Eisriesenwelt Austria Salzburg Tennengebirge 26.098 42000 1335 407.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
90 Gouffre de Padirac France Lot Causse de Gramat 25.476 41000 853 260.0 http://www.gouffre-de-padirac.com/index.htm 06/16
91 Gamslöcher-Kolowrats-Hösystem Austria Salzburg Untersberg 25.199 40554 3707 1130.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
92 Cueva del Tecolote Mexico Tamaulipas Villa Hidalgo 25.150 40475 1391 424.0 Mark Minton e-mail 05/16
93 Demanovsky jaskynny system Slovakia Nizke Tatry Demanovske vrchy 25.091 40380 643 196.0 http://www.speleodd.sk/main.php?pageid=11&novinka=530 03/16
94 Complesso del Col delle Erbe Italy Friuli VG Chiusafoete 24.855 40000 0 0.0 Speleologia N68P102-103  06/16
95 Sloans Valley Cave System U.S.A. Kentucky Pulaski 24.640 39654 240 73.2 The International Caver N19P23 05/97
96 Migovec (Vrtnarija) System (M-16) Slovenia Primorska zaledje Tolminke 24.420 39300 3189 972.0 David Wilson e-mail 12/17
97 System Amaterskej a Punkevni Jesky. Czech Rep. Moravia Ostrov 24.324 39146 1631 497.0 Libor Faitl e-mail 01/16
98 Chiquibul Cave System (Cebaba & Actun Tunkul) Belize Mt Junea West Chiquibul 24.233 39000 525 160.0 Tom Miller e-mail 01/16
99 Xanadu Cave System U.S.A. Tennessee Fentress 24.062 38724 227 69.2 Tenn.Cave Survey 02/15
100 Silberensystem (Schwyzerschacht) Switzerland Schwyz Muotatal 23.992 38611 2915 888.4 http://ch.speleo.info 06/16
101 Jiangzhou Dongxuexitong China Guangxi Fengshan 23.923 38500 492 150.0 www.hongmeigui.net/deepandlong.php 04/17
102 Nettlebed Cave System  (Blizzard Pot top entrance,Stormy Pot) New Zealand South Island Mt Arthur 23.769 38252 3927 1197.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
103 Sistema de las Fuentes de Escuain (Badalona B15-B1) Spain Huesca Escuain 23.626 38023 3776 1151.0 Jose Luis Membrado e-mail 01/19
104 Sistema de Pan de Azucar Cuba Pinar del Rio S.del Rosario 23.612 38000 0 0.0 The NSS News V57N10P300 10/99
105 Sistema Cuetzalan - Atepolihuit Mexico Puebla Curtzalan 23.411 37676 2159 658.0 Mark Minton e-mail 06/16
106 Grotte de la Luire France Drome Vercors 23.341 37563 1795 547.0 The International Caver #24 P36 06/17
107 Jamski sustav Kita Gacesina - Drazenova puhaljka Croatia Juzni Velebit Crnopac 23.232 37389 2418 737.0 Aida Barisic e-mail 12/18
108 The Hole (Boggs Cave) U.S.A. West Virginia Greenbrier 23.003 37020 225 68.6 Bill Balfour 09/91
109 Sistemul Humpleu-Poienita Romania Cluj Mtii Bihor  22.742 36600 1030 314.0 Victor Ursu e-mal 01/16
110 Coral Cave System U.S.A. Kentucky Pulaski 22.560 36307 340 103.6 Lee Florea e-mail 102/2015
111 Sugar Run Cave System U.S.A. Virginia Giles 22.500 36210 718 218.8 VSS Long & Deep Cave Lists 02/15
112 Lost River Cave System U.S.A. Indiana Orange 22.200 35727 94 28.7 Long cave list for Indiana, Indiana Cave Survey 03/17
113 Complesso di Piaggia Bella Italy Piemonte Marguareis 22.059 35500 3153 961.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
114 Xia, Qikeng, Lanmu Shu, Miao Keng, Xiaogu Chi. Dongba Dong China Chongqing Wulong 22.046 35479 3346 1020.0 http://hongmeigui.net/deepandlong.php?stat+long 08/16
115 Cueva la Vallina (VT.100) Spain Cantabria Arredondo 21.768 35032 646 197.0 Jose Luis Membrado e-mail 01/19
116 Complesso della Carcaraia (Abisso Saragato) Italy Toscana Alpi Apuane 21.748 35000 3691 1125.0 Speleologia N68P102-103  07/17
117 Reseau Andre Lachambre (grotte d'Embulla) France Pyrenees-Orientales Conflent 21.748 35000 243 74.0 D'apres Christophe Levillain 06/17
118 Chestnut Ridge Cave System U.S.A. Virginia Bath 21.580 34730 810 246.9 Nathan Farrar e-mail 01/18
119 TantalHöhle Austria Salzburg Hagengebirge 21.539 34664 1427 435.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
120 Mawandong China Guizhou Zhengan 21.535 34657 1821 555.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 102/2015
121 Lilburn Cave  (N.P.) U.S.A. California Tulare 21.516 34627 508 154.8 Jed Mosenfelder e-mail 01/16
122 Moore Cave System  (Berome & Tom) U.S.A. Missouri Perry 21.480 34569 136 41.5 Chad McCain e-mail 11/18
123 Atea Kananda Papua New Guinea Southern Highland Muller Range 21.437 34500 1148 350.0 The British Caver V94-95 06/17
124 Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega) Spain Cantabria Ruesga 21.341 34345 1112 339.0 Juan Corrin e-mail 11/17
125 Sistema Cueto-Coventosa-Cubera Spain Cantabria Porracolina 21.130 34005 2720 829.0 Jose Luis Membrado e-mail 11/17
126 Majaguas-Cantera (sis.caverna.) Cuba Pinar del Rio S.de San Carlo 21.127 34000 0 0.0 The International Caver 06/17
127 Hidden River System (Hicks Cave) U.S.A. Kentucky Hart 21.100 33957 160 48.8 Carbide Caver V7I10P111 10/98
128 Culverson Creek Cave System U.S.A. West Virginia Greenbrier 20.928 33680 329 100.3 WVASS Database 06/16
129 Blue Spring Cave U.S.A. Indiana Lawrence 20.900 33635 140 42.7 Long cave list for Indiana, Indiana Cave Survey 03/17
130 Ellis Basin System (Tomo Thyme, Exhaleair, & Exhalibur) New Zealand South Island Mt Arthur 20.754 33400 3366 1026.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
131 Reseau du Verneau France Doubs Deservillers 20.692 33300 1270 387.0 Jean-Yves Bigot 01/16
132 Honey Creek Cave U.S.A. Texas Comal 20.689 33296 124 37.8 Texas Speleological Survey via Jerry Atkinson e-mail 08/16
133 Toca da Barriguda Brazil Bahia - 20.505 33000 200 61.0 http://www.sbe.com.br/cavernas_maiores.asp 01/16
134 Terikan System (Rising, East, West) Malaysia Sarawak Mulu 20.240 32573 0 0.0 Matt Kirby e-mail 10/16
135 Ogof Agen Allwedd United Kingdom Wales Powys, Monmouthshire 20.195 32500 525 160.0 www.ukcaves.co.uk/all-longest 01/16
136 Cueva de los Chorros Spain Albacete Riopar 20.195 32500 427 130.0 Clasificacion Por Desnivel 07/16
137 Sistema de la Pena de Mediodia Spain Huesca Pirineos 20.178 32473 2959 902.0 Jose Luis Membrado e-mail 01/19
138 Maxwellton (Cowshit Pit) Cave U.S.A. West Virginia Greenbrier 20.076 32309 482 147.0 Greg Springer e-mail 11/18
139 Reseau des Chuats France   Vercors 19.950 32106 0 0.0 Xavier Robert e-mail 02/18
140 Gouffre Berger - Gouffre de la Fromagere France Isere Vercors 19.753 31790 4341 1323.0 Caver Tim 10/18
141 Kihaje Xontjoa Mexico Oaxaca Cerro Rabon P. 19.494 31373 4012 1223.0 http://www.amcs-pubs.org/longanddeep.html 06/16
142 Grotta di Monte Cucco Italy Umbria Monte Cucco 19.449 31300 3048 929.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
143 Systeme Prerouge - Litorne France Savoie Bauges 19.444 31292 1667 508.0    01/16
144 Klarahöhle Austria Oberosterreich Sengsengebirge 19.317 31088 1581 482.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
145 Mesacny tien Slovakia Vysoke Tatry Javorinska Siroka 18.921 30450 1480 451.0 Brano Smida e-mail 01/16
146 Krem Liat Prah/Um IM/Labbit M /RUBONG India Meghalaya Jaintia Hills 18.888 30397 0 0.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
147 Cosanostraloch-Berger-Platteneck Hoehlesystem Austria Salzburg Tennengebirge 18.887 30396 4236 1291.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
148 Trou du Garde / Creux de la Cavale France Savoie Les Deserts 18.765 30200 1066 325.0 Jean-Yves Bigot 01/16
149 Szepvolgyi System (Pal-volgy Cave) Hungary Budapest - 18.703 30100 404 123.0 International Journal of Speleology 44(2) 05/16
150 Gap Cave System (Cudjo's)   (C.G.N.H.P.) U.S.A. Virginia Lee 18.700 30095 491 149.7 Bob Gulden (CRF) 04/17
151 Greenlink - Middle Earth  System New Zealand South Island Takaka Hill 18.641 30000 1276 389.0 http://caves.org.nz/pmwiki/pmwiki.php/NZSS/LongestCaves 01/16
152 Reseau de Coufin-Chevaline France Isere Vercors 18.541 29839 1348 411.0 Jean-Yves Bigot 01/16
153 Bettenhohle Switzerland Obwalden Kerns 18.321 29484 2638 804.0 http://ch.speleo.info 01/16
154 Carroll Cave U.S.A. Missouri Camden 18.153 29214 224 68.3 Bob Lerch e-mail 01/16
155 McClung Cave System U.S.A. West Virginia Greenbrier 18.090 29113 200 61.0 Joseph Caldwell l 01/16
156 Butler-Sinking Creek System U.S.A. Virginia Bath 18.060 29065 644 196.4 Tont Canike email 09/16
157 Windy Mouth (Wind) Cave U.S.A. West Virginia Greenbrier 18.000 28968 200 61.0 Jim Hixson 02/89
158 Otscher-Höhlensystem Austria Nieberosterreich Otscher 17.776 28608 2172 662.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
159 Sistema de Tepepa (Ehecatl+Niebla) Mexico Puebla - 17.709 28500 2949 899.0 Desent 209 09/16
160 Reseau de Francheville France Cote-d'Or Francheville 17.523 28200 489 149.0 Jean-Yves Bigot 01/16
161 Fitton (Beauty) Cave U.S.A. Arkansas Newton 17.500 28164 313 95.4 Scott House e-mail Feb-13
162 Jägerbrunntro-Höhlensystem Austria Salzburg Hagengebirge 17.415 28026 3537 1078.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
163 Ogof Daren Cilau System United Kingdom Wales Powys, Monmouthshire 17.398 28000 761 232.0 www.ukcaves.co.uk/all-longest 01/16
164 Old Homestead Cave Australia Western Australia Nullarbor Plain 17.398 28000 0 0.0 International Caver No.7 06/17
165 Hualalai Ranch Cave               (Lava Tube) U.S.A. Hawaii Hawaii 17.265 27785 1449 441.7 Doug Medville e-mail 03/16
166 Thornhill Cave System U.S.A. Kentucky Breckenridge 17.232 27732 0 0.0 Arron Reed Louisville Grotto e-mail 01/16
167 Coldwater Cave U.S.A. Iowa Winneshiek 17.005 27367 80 24.4 Larry Welch e-mail 07/16
168 Verborgene Höhle Austria Oberosterreich Totes Gebirge 16.825 27078 1073 327.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
169 Kingsdale Cave System United Kingdom England North Yorkshire 16.777 27000 541 165.0 www.ukcaves.co.uk/all-longest 01/16
170 Green Cathedral/Turtle Cave System Malaysia Sarawak Gunung Buda 16.759 26971 997 304.0 NSS News V62N8P225 08/16
171 Cueva de Rescano - Torca de la Luna Llena Spain Cantabria ? 16.691 26862 0 0.0 Jose Luis Membrado e-mail 11/17
172 Sistema Sand Crack   (Underwater) Mexico Quintana Roo Tulum 16.619 26746 58 17.7 QRSS Long Caves List 10/18
173 Bigfoot Cave U.S.A. California Siskiyou 16.250 26152 1205 367.3 Scott Linn e-mail 10/16
174 Powell's Cave System U.S.A. Texas Menard 16.246 26145 79 24.1 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
175 Reseau de Bunant France Haute Savoie Parmelan 16.235 26128 1188 362.0 Jean-Yves Bigot 01/16
176 Baradla barlang-Domica jaskyna Slovak / Hungary Slovak / Aggtelek Karst Kecovo - Josvafo 16.196 26065 381 116.0 P.Bella - P.Gruber e-mail 02/15
177 Gran Sistema Cavernaio de Fuentes Cuba Pinae del Rio Sierra de Mesa 16.156 26000 0 0.0 The International Caver #8 06/17
178 Perdidos (sis.cavernario de los) Cuba Pinar del Rio S. del Roario 16.156 26000 0 0.0 Speleolgia 05/17
179 Rumbling Falls Cave. U.S.A. Tennessee Van Buren 16.091 25896 474 144.5 Marion O.Smith per TCS 02/15
180 Reseau Jean Bernard France Haute Savoie Haute-Giffre 15.852 25512 5256 1602.0 Xavier Robert e-mail 02/18
181 Mystery Cave System U.S.A. Missouri Perry 15.842 25495 0 0.0 M.S.S. Walsh 02/15
182 Complesso del ReleccioAlfredo Bini Italy Lombardia Grigna. Settentrionale 15.780 25396 4308 1313.0 Andrea Maconi e-mail 09/17
183 Sistema Tibia-Fresca Spain Cantabria Porracolina 15.754 25353 1663 507.0 Jose Luis Membrado e-mail 02/15
184 Tjoarvekrajgge Norway Nordland Sorfold 15.638 25167 1631 497.0 Torstein Finnesand e-mail 08/16
185 Sistema Nohoch Pek - Muk K'in   (Underwater) Mexico Quintana Roo Tulum 15.634 25160 61 18.6 QRSS Long Caves List 10/18
186 Fern Cave                           (597) U.S.A. Alabama Jackson 15.630 25154 536 163.4 Fern Cave Project 06/17
187 Mountain Eye Cave System          (Saltpeter) U.S.A. Tennessee Fentress 15.587 25085 280 85.3 Tenn. Cave Survey 03/87
188 Sistema Buso della Rana / Pisarela Italy Veneto Faedo-Casaron 15.555 25033 738 225.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
189 Kuchlberg-Hoehlesystem (Gamskar+Felsbrü..vorl. West) Austria Salzburg Tennengebirge 15.534 25000 2087 636.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
190 Krasnaya (Kyzyl-Toba) (Qizil Qoba) Ukraine Crimea - 15.180 24430 656 200.0 Inced O. e-mail 06/18
191 Gouffre Lonne-Peyret (Reseau des Arres Planeres) France Pyrenees-Atlantiques Pierre Saint Martin 15.125 24341 2648 807.0 Jean-Yves Bigot 01/16
192 Nunley Mtn.Cave System (Maria Angela Grotto) U.S.A. Tennessee Grundy 15.080 24269 350 106.7 David Parr per TCS 02/15
193 Dof-Sonnenleiter-Höhlensystem Austria Totes Gebirge Styria 15.020 24172 3583 1092.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
194 Cave Creek Cave System U.S.A. Kentucky Pulaski 15.010 24156 170 51.8 COG Squeaks 05/16
195 Foglepole Cave U.S.A. Illinois Monroe 15.000 24140 0 0.0 NSS News V56N4P114 04/98
196 Postojnska jama Slovenia Notranjska Postojnski kras 14.987 24120 377 115.0 http://www.postojnska-jama.eu/en/news/2015/postojna-cave-extended-by-3-5-kilometres/ 04/17
197 Illyuzia-Mezhonnogo-Snezhnaya Georgia Abkhazia West Caucasus 14.963 24080 5751 1753.0 de Alexey Shelepin (jefe de expedicicion) 09/16
198 Clearwell Caves (Part Mine) United Kingdom England Gloucestershire 14.913 24000 351 107.0 www.ukcaves.co.uk/all-longest 01/16
199 Puerto Princesa Subterranean River(St.Pauls Underground River Cave) Philippines Palawan Island - 14.913 24000 328 100.0 Wikipedia 08/16
200 Benedicts (Persinger) Cave U.S.A. West Virginia Greenbrier 14.850 23899 254 77.4 WVASS Database 06/16
201 Sistema Soconusco Mexico Chiapas - 14.823 23856 1683 513.0 Taco van Leperen via Mark Minton e-mail 01/16
202 Torca de la Vaca - Wil Ware Spain Cantabria Entrambasaguas 14.778 23783 220 67.0 Jose Luis Membrado e-mail 18/18
203 Akkado Japan Iwate - 14.726 23700 0 0.0 - 05/16
204 jaskinia Wielka Sniezna Poland Czerwone Wierchy Malolaczniak 14.677 23620 2703 824.0 Polish Caving 2005-2009 06/16
205 Big Horn - Horsethief Cave System U.S.A. Wyoming / Montana Bighorn 14.615 23521 171 52.1 Even Gehring e-mail 02/15
206 Systeme de Foussoubie France Ardeche Bas-Vivarais 14.457 23266 453 138.0 Jean-Yves Bigot 01/16
207 Cueva Coyolat Mexico Puebla Tlacotepec 14.292 23000 2034 620.0 Gustavo e-mail AMCS#29 05/16
208 Complesso Fiume-Vento Italy Marche Frasassi 14.292 23000 804 245.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
209 Mini - Martin Cave - Exit Cave Australia Tasmania Ida Bay 14.292 23000 722 220.0 Sherry Juneo 06/17
210 Cuevas de Bellamar Cuba Matanzas - 14.292 23000 0 0.0 http://www.ecured.cu/index.php/Cuevas_de_Bellamar 10/16
211 Reseau de Fuilla - Canalettes France Pyrenees-Orientales Conflent 14.292 23000 0 0.0 D'apres Christophe Levillain 06/17
212 Rimstone River Cave U.S.A. Missouri Perry 14.200 22853 0 0.0 M.S.S. Walsh 02/15
213 Systeme Biolles - Squelettes - Crolleurs France Savoie Margeriaz 14.155 22781 1939 591.0 Jean-Yves Bigot 01/16
214 Bone - Norman Cave System U.S.A. West Virginia Greenbrier 14.118 22721 186 56.7 Bill Douty e-mail 12/97
215 Almberg-Höhlensystem Austria Steiermark Totes Gebirge 14.090 22676 991 302.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
216 Kryshtaleva (Kristal'naja)      (Gypsum) Ukraine Ternopil Borshchiv 14.049 22610 66 20.0 cavemlynky@gmail.com  09/17
217 Grotta della Bigonda Italy Trentino A.A. Alt.di Asingo 14.043 22600 1476 450.0 Class.del.g.piu lunghe/profon.d'Italia 06/17
218 Burgunderschacht Austria Oberosterreich Totes Gebirge 14.036 22588 2782 848.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
219 Grotte d'Arphidia France Pyrenees-Atlantiques Pierre Saint Martin 14.027 22575 2336 712.0 Jean-Yves Bigot 01/16
220 Jenolan System Australia NSW - 13.983 22503 348 106.0 Mark Sefton e-mail 07/16
221 Black Rock Cave Malaysia Sarawak Mulu 13.981 22500 0 0.0 - -
222 Cueva del Soplao Spain Cantabria Sierra de Arnero 13.970 22483 0 0.0 Jose Luis Membrado e-mail 05/16
223 Baishui Dong China Guizhou Jiang Kou 13.950 22450 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 08/16
224 Sistema de Cubija (North Vega System) Spain Cantabria Matienzo 13.924 22408 482 147.0 Juan Corrin e-mail 11/17
225 Stratenska jaskyna - Psie diery Slovakia Spissko-gemersky Slovensky raj 13.834 22264 636 194.0 www.drienka.host.sk/najdlhsie.php 01/16
226 Gouffre Nebele France Pyrenees-Atlantiques Aquitaine 13.813 22230 755 230.0 Jean-Yves Bigot 01/16
227 Pestera din Piriul Hodobanei   Romania Alba Mtii Bihor  13.758 22142 594 181.0 Victor Ursu info  09/16
228 Krem Tyngheng/Diengjem India Meghalaya Jaintia Hills 13.719 22078 0 0.0 Descent 243 P33 04/17
229 Abisso Bueno Fonteno Italy Lombardia Fonteno 13.670 22000 0 0.0 Speleologia N68P102-103  06/16
230 Sistema del Hoyon de Saco(Sistema del Hoyo Grande) Spain Cantabria Porracolina 13.546 21800 1739 530.0 Clasificacion Por Desnivel 07/16
231 Sistema del Rio Encantado Puerto Rico - Florida,Ciales,Manati 13.527 21770 1129 344.0 Mark Minton e-mail 06/16
232 Torca la Vaca - Woil Mare Spain Cantabria Mortilliano 13.444 21636 0 0.0 Jose Luis Membrado e-mail 05/16
233 Krem KotSati/Um Lawan India Meghalaya Jaintia Hills 13.378 21530 705 215.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
234 Groaning Cave U.S.A. Colorado Garfield 13.270 21356 149 45.4 Derek Bristol e-mail 08/16
235 Big Bat Cave U.S.A. Kentucky Breckenridge 13.250 21324 0 0.0 Steve Gentry e-mail 06/16
236 Pha Soung   (Tham Hay) Laos Khammouane - 13.056 21012 0 0.0 Liviu Valenas on FB 11/17
237 Castleguard Cave Canada Alberta Rocky Mountain 13.056 21011 1260 384.0 Canadian Caver 75  01/16
238 Abisso Paolo Roversi Italy Toscana Alpi Apuane 13.049 21000 4429 1350.0 Andrea Maconi e-mail 07/16
239 Reseau des Grottes aux Fees Switzerland Vallorbe Vaud 13.049 21000 745 227.0 http://ch.speleo.info 01/16
240 Perte de Massar France Aveyron Causse de Limogne 13.049 21000 394 120.0 Claude Milhas 01/16
241 Emesine Cave (1881 System)        (Lava Tube) U.S.A. Hawaii Hawaii 12.890 20744 1433 436.8 Don Coons e-mail 03/16
242 Mystery Cave System U.S.A. Minnesota Fillmore 12.790 20584 101 30.8 Minnesota Speleology 08/87
243 Conjunto Sao Mateus/Imbira Brazil Goias Sao Domingos 12.763 20540 0 0.0 AGCM 06/17
244 Selminum Tem Papua New Guinea Western Prov. Hindenburg Rng 12.738 20500 449 137.0 B.C.R.A. Bulletin 05/17
245 Pestera Topolnita (Complexui ?) Romania Mahedinti Podisul Mahedinti 12.738 20500 417 127.0 International Caver #11 06/17
246 Anvil Cave                           (279) U.S.A. Alabama Morgan 12.667 20386 51 15.5 Alabama Cave Survey 04/80
247 Gradys (Mammoth River) Cave System U.S.A. Kentucky Hart 12.600 20278 120 36.6 Carbide Caver V7I9P111 10/98
248 Jaskyna Mrtvych netopierov Slovakia Nizke Tatry Dumbier 12.549 20195 1063 324.0 www.drienka.host.sk/najdlhsie.php 01/99
249 Sistemul Ciur - Ponor - Toplita de Rosia Romania Bihor Mtii Padurea Craiului 12.521 20150 748 228.0 Victor Ursu e-mal 01/16
250 Complesso del Foran del Muss Italy Friuli VG Canin Massif 12.427 20000 3668 1118.0 Speleologia N68P102-103  07/17
251 Aven Noir France Aveyron Grands Causses 12.427 20000 351 107.0 info FFS 01/16
252 Sistema cueva del Agua - Barbancho - Socueto - Nispero Spain Burgos - 12.427 20000 0 0.0 Jose Luis Membrado e-mail 01/16
253 Delissea Cave System U.S.A. Hawaii Hawaii 12.408 19969 1952 595.0 Peter Bosted e-mail 09/16
254 Interessante Höhle Austria Salzburg Hagengebirge 12.375 19916 2881 878.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
255 Dry Cave U.S.A. New Mexico Eddy 12.222 19669 279 85.0 Stan Allison via Pete 03/16
256 SchrattenHoehle Switzerland Obwalden Kerns 12.207 19645 1880 573.0 http://ch.speleo.info 06/16
257 Ellisons Cave U.S.A. Georgia Walker 12.127 19517 1063 324.0 Georgia Underground V24N1 03/87
258 Lingshandong China Guizhou Zhengan 11.993 19301 1591 485.0 Long Caves in China by Erin Lynch 01/16
259 Torca de los Corrales del Trillo (Sistema Pena del Trillo-La Tramasquera) Spain Cantabria / Burgos - 11.992 19300 1430 436.0 Clasificacion Por Desnivel 07/16
260 V5 Sistemul Varasoaia (V5-V24) Romania Bihor Mtii Bihor  11.961 19250 2142 653.0 Victor Ursu e-mal 01/16
261 Griebkar-Höhlensystem (Platten- und Eiferkogleschacht) Austria Steiermark Totes Gebirge 11.920 19184 2087 636.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
262 Riesending-Schachthohle Germany Bavaria Untersgberg Mtns. 11.868 19100 3766 1148.0 Thomas Matthalm e-mail 102/2015
263 Sistema del Faro-Isla de Mona Puerto Rico Isla de Mona Mayaguez 11.868 19100 118 36.0 Marc Ohms e-mail 04/17
264 Grotte de Neuvon France Cote-d'Or Plom.-les-Dij. 11.868 19100 115 35.0 Spelunca #56 06/17
265 Pleasant Ridge Cave U.S.A. Tennessee Cannon 11.850 19071 340 103.6 Hal Love e-mail 03/16
266 Sima de las Puertas de Illaminako Ateeneko Leizea (BU.56) Spain Navarra Larra 11.806 19000 4619 1408.0 Caver Tim 10/18
267 Feihu Dong China Hunan Longshan 11.806 19000 1115 340.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve 102/2015
268 Red de Toneyo Spain Asturias Macizo del Cornion 11.787 18970 2014 614.0 List of Spains Longest & Deepest (WWW) 04/98
269 Hang khe Rhy Vietnam Quang Binh - 11.756 18920 0 0.0 Peter MacNab e-mail 07/16
270 Cueva Guerta Spain Asturias Pena Biguere 11.751 18911 0 0.0 Jose Luis Membrado e-mail 11/17
271 Reseau Fanges - Paradet France Pyrenees-Orientales Fenouilledes 11.702 18832 984 300.0 Bernard Ournie e-mail 09/16
272 Cueva del Hoyo Salcedillo Spain Cantabria Porracolina 11.682 18800 1745 532.0 Jose Luis Membrado e-mail 102/2015
273 Russell Cave   (N.M.)        (169) U.S.A. Alabama Jackson 11.626 18710 400 121.9 Jason Richards   11/17
274 Sistema sima GESM - sima de la Luna Spain Malaga Sierra de las Nieves 11.593 18657 3474 1059.0 Jose Luis Membrado e-mail 11/17
275 Pielklieng-Sielkan Pouk river cave India Meghalaya Jaintia Hills 11.558 18600 0 0.0 Descent 255 p28 05/17
276 Wells Cave U.S.A. Kentucky Pulaski 11.496 18501 0 0.0 NSS News V57N10P308 10/99
277 Complesso Mutera - Fantozzi Italy Piemonte Ormea 11.435 18403 0 0.0 Speleologia N68P102-103  06/16
278 Rhar Bou Ma'za (Tafna River Cave) Algeria Tilimsen Tilimsen Range 11.433 18400 0 0.0 Atlas - Great Caves of the World 06/17
279 Wit Tamdoun Morocco Agadir Immouzer 11.433 18400 0 0.0 Caves & Caving I84 Sum99
280 Beacon Woods - Waynes World System               U.S.A. Florida Pasco 11.364 18289 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
281 Luweng Jaran    Indonesia Java Timur Pacitan 11.309 18200 394 120.0 Tim Stratford (International Caver) 03/96
282 Duhlata (D(a)(ou)hklata) Bulgaria - Pernik 11.309 18200 230 70.0 Caves of Bulgaria 07/16
283 Cueva del Saman Venezuela Edo Zulia Fundo las Pis. 11.309 18200 0 0.0 Franco Urbani 06/17
284 Krem UmTHLOO-SYNRANG Labbit India Meghalaya Jaintia Hills 11.297 18181 617 188.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 03/16
285 Pestera de la Izvorul Tausoare Romania Bistrita-Nasaud Mtii Rodnei  11.251 18107 1512 461.0 Victor Ursu e-mal 01/16
286 Ambatoharanana Madagascar Ambilobe Ankarana 11.247 18100 0 0.0 Atlas - Great Caves of the world 06/17
287 Cueva de Mairuelegorreta Spain Araba Gorbea 11.239 18088 0 0.0 Jose Luis Membrado e-mail 08/18
288 Cathedral-Falmouth System        U.S.A. Florida Suwannee 11.199 18023 190 57.9 Casey McKinlay e-mail 10/17
289 Grotte de Gournier France Isere Vercors 11.185 18000 2231 680.0 The International Caver #21P41 06/17
290 Goochland - Poplar Cave Complex U.S.A. Kentucky Rockcastle 11.180 17992 0 0.0 Kentucky Speleo-Fest Guidebook 06/16
291 Sistema Lecherines Spain Huesca Macizo de Aspe 11.060 17800 3310 1009.0 Jose Luis Membrado e-mail 01/16
292 Tanne aux Cochons - Tanne Froide France Savoie margeriaz 10.995 17694 2700 823.0 Jean-Yves Bigot 01/16
293 Chu Yan (Xiniu) Dong China Guizhou An Long 10.936 17600 1165 355.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 06/17
294 Peak/Speedwell System (part mine) United Kingdom England Derbyshire 10.930 17590 814 248.0 www.ukcaves.co.uk/all-longest 01/16
295 Torca del Regato Calero Spain Cantabria - 10.874 17500 0 0.0 Jose Luis Membrado e-mail 11/17
296 Sistema Nohoch Kai    Mexico Quintana Roo Tulum 10.873 17498 85 25.9 QRSS Long Caves List 10/18
297 Cave system of Crnelsko brezno  Slovenia Julian Alps Rombonski Podi 10.857 17473 4570 1393.0 Peter Svete e-mail 12/18
298 Sistema de Partacua Spain Huesca Pirineos 10.829 17427 2707 825.0 Jose Luis Membrado e-mail 08/18
299 Aven du Sotch de la Tride France Aveyron Grands Causses 10.812 17400 1122 342.0 Liste Drouin 06/17
300 Grotta del Bue Marino Italy Sardinia Dorgali 10.812 17400 0 0.0 Speleologia N68P102-103  06/16
301 Crumps Spring Cave U.S.A. Kentucky Hart 10.740 17284 140 42.7 Joe Saunders 09/89
302 Duobing Dong China Guizhou Xiuwen/Xifeng 10.694 17210 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 102/2015
303 Sistema la Verdilluenga Spain Asturias Picos de Europa 10.685 17196 2969 905.0 Jose Luis Membrado e-mail 11/17
304 Tham Chom Ong System Laos Xai Oudoaxay 10.657 17150 0 0.0 Eurospeleo Magazine N2P66 07/17
305 Conjunto Santa Rita Brazil Iraquara Bahia 10.594 17050 0 0.0 Vulcains #53P45 06/17
306 Cueva del Viento-cueva del Sobrado (Lava Tube) Spain Canarias Island Tenerife Is. 10.583 17032 1837 560.0 Grupo de Espeleologia Tebexcorade 04/17
307 Neide - Muruk Cave Papua New Guinea New Britain Galowe Plateau 10.563 17000 4127 1258.0 Deep Cave List by Philippe Drouin 02/15
308 Petroglyph Cave (part of the Caves Branch S.) Belize - - 10.563 17000 0 0.0 Tom Miller e-mail 01/16
309 Reseau du Rupt du Puits France Meuse Barrois 10.563 17000 0 0.0 D'apres Stephane Jaillet 06/17
310 Katalehkhor Cave Iran Zanjan - 10.563 17000 0 0.0 - 10/16
311 Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi Italy Sardinia Dorgali 10.563 17000 0 0.0 Speleologia N68P102-103  06/16
312 Gaping Gill System United Kingdom England North Yorkshire 10.501 16900 650 198.0 www.ukcaves.co.uk/all-longest 01/16
313 Portal-BoarHole System U.S.A. West Virginia Greenbrier 10.466 16843 333 101.5 WVASS Database 02/15
314 Aven de la Leicasse France Herault Grands Causses 10.271 16530 1168 356.0 Jean-Yves Bigot 01/16
315 James (Thousand Domes) Cave U.S.A. Kentucky Edmonson 10.250 16496 0 0.0 Glenn Merrill 07/84
316 Reseau de la Couze (Correze) France Correze Causse de Martel 10.207 16426 338 103.0 Thierry Apriland via Yvonne e-mail 01/16
317 Sistema Roraima Sur Venezuela - - 10.190 16400 0 0.0 2009 NSS/ICS Kerrville Texas 07/16
318 Sustav Dulin ponor - Medvedica Croatia Hrvatska Ogulin 10.188 16396 0 0.0 http://public.srce.hr/speleo/karta.html 06/17
319 Pestera din Valea Rea Romania Bihor Mtii Bihor  10.164 16357 1220 372.0 Victor Ursu e-mal 01/16
320 Sistema Kulogorskaya-Troya              (Gypsum)   Russia Arkhangelsk Pinega 10.096 16248 59 18.0 Karst and cave Pinega's   -  Victor Malkov, Evgeny Gurkalo 06/16
321 Cueva Tonio - Cayueia Spain Cantabria Porracolina 10.073 16211 0 0.0 Jose Luis Membrado e-mail 01/16
322 Cloud Cave - Cobra Cave - Bridge System Malaysia Sarawak Mulu 10.019 16124 1083 330.0 Matt Kirby e-mail 02/15
323 Cueva Ojos de Cristal Venezuela Roraima - 10.004 16100 240 73.0 NSS News V68N7P17 07/16
324 Hidden River Cave U.S.A. Kentucky Hart 10.000 16093 0 0.0 Dave Foster e-mail 02/18
325 Perkins Cave U.S.A. Virginia Washington 9.997 16089 300 91.4 Virginia Speleological Survey 06/16
326 Krubera (Voronja) Cave Georgia Abkhazia West Caucasus 9.978 16058 7208 2197.0 www.karstworlds.com/2012/08/krubera-voronya-record-depth-record 08/16
327 Gouffre de Cabrespine (lo Gaugnas) France Aude Montagne Noire 9.978 16058 804 245.0 Jean-Yves Bigot 01/16
328 Pahoa Cave(s) (segmentation??)    (Lava Tube) U.S.A. Hawaii Hawaii 9.942 16000 1150 350.5 Lava Tube Flow e-mails 05/16
329 Complesso Cappa-18-Denver-Straldi Italy Piemonte Briga Alta 9.942 16000 2559 780.0 Speleologia N68P102-103  06/16
330 Dan yr Ogof United Kingdom Wales Powys 9.942 16000 492 150.0 www.ukcaves.co.uk/all-longest 01/16
331 Poulnagollum - Poulelva Ireland Co.Clare - 9.942 16000 459 140.0 www.ukcaves.co.uk/all-longest -
332 Igues de Goudou - Lacarriere France Lot Causse de Gramat 9.942 16000 394 120.0 Jean-Yves Bigot 01/16
333 Snail Shell Cave System U.S.A. Tennessee Rutherford 9.926 15974 144 43.9 Jeff Sims 07/86
334 Dunbar Cave - Roy Woodard System  (Saltpeter) U.S.A. Tennessee Montgomery 9.850 15852 119 36.3 Tony Groves e-mail 09/16
335 ``uta do Padre Brazil Bahia Santana 9.818 15800 0 0.0 International Caver No.1 10/91
336 Entrada Caapechen  (Cenote Manatee)         Mexico Quintana Roo Tulum 9.717 15638 92 28.0 QRSS Long Caves List 10/18
337 Sullivan Cave U.S.A. Indiana Lawrence 9.632 15501 105 32.0 Long cave list for Indiana, Indiana Cave Survey 03/17
338 Borne aux Cassots France Jura Nevy-sur-Seile 9.631 15500 472 144.0 Jean-Yves Bigot 01/16
339 Big Bone Cave                     (Saltpeter) U.S.A. Tennessee Van Buren 9.627 15493 226 68.9 John Smyre 06/84
340 Springs Cave, Jackson Blue       U.S.A. Florida Jackson 9.591 15436 100 30.5 Ben Martinez e-mail 04/18
341 Diros Cave Greece Peloponnese Laconia 9.569 15400 0 0.0 www.selas.org 10/16
342 Leandras Cave U.S.A. Arizona Coconino 9.547 15364 378 115.2 map at park Headquarters via Greg e-mail 06/16
343 Sistema de las Bernias Spain Burgos Lunada 9.532 15340 906 276.0 Clasificacion Por Desnivel 07/16
344 Hang Vom Vietnam Quang Binh - 9.513 15310 0 0.0 Peter MacNab e-mail 07/16
345 Cueva de Alpazat Mexico Puebla - 9.445 15200 0 0.0 http://www.amcs-pubs.org/longanddeep.html 01/16
346 Kacna Cave (System) Slovenia Divaski Karst - 9.433 15181 919 280.0 Longest & Deepest Caves of Slovenia 04/17
347 Lazareva Cave Serbia     9.388 15108 0 0.0 Robert Misic 11/18
348 Ariadne Cave System Hungary Pest megye Pilis mountain 9.383 15100 669 204.0 www.ariadneegyesulet.hu 07/16
349 Sof Omar Holluca Ethiopia Bale Ityopya 9.383 15100 49 15.0 Atlas - Great Caves of the World 06/17
350 Complesso Omber en Banda al Bus del Zel-791 Italy Lombardia Cariadeghe 9.321 15000 1411 430.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
351 Reseau de Malissard France Isere / Savoie Chartreuse 9.321 15000 1362 415.0 Jean-Yves Bigot 01/16
352 Altherrenlabyrinth Austria Salzburg Tennengebirge 9.321 15000 1296 395.0 Theo Pfarr, Robert Seebacher & Lukas Plan 01/19
353 Grotte de la Cigalere France Ariege Pyrenees 9.321 15000 748 228.0 Spelunca #56 (Not on the TIC List) 06/17
354 Sistema Constantino Cuba Pinar del Rio - 9.321 15000 0 0.0 WLCL -
355 Gratta Su Bentu - Sa Oche Italy Sardinia Nuoro 9.321 15000 0 0.0 http://www.Class.del.g.piulunghe/profon.d'Italia 06/17
356 Cueva de la Lastrilla Spain Cantabria - 9.321 15000 0 0.0 Clasificacion Por Desnivel 07/16