WORLDS LONGEST CAVES   Compiled by: Bob Gulden - Nov. 28, 2016  
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 2016 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. 405.000 651784 407 124.1 CRF / CKKC  +/-5 MILES Oct-15
2 Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu)     (Underwater+Dry) Mexico Quintana Roo Tulum 208.302 335230 332 101.2 QRSS Long Caves List May-15
3 Jewel Cave    (N.M.) U.S.A. South Dakota Custer 181.890 292724 723 220.4 Facebook May-16
4 Sistema Ox Bel Ha                Mexico Quintana Roo Tulum 159.783 257146 114 34.7 QRSS Long Caves List May-15
5 Optymistychna           Ukraine Ternopil Borshchiv 146.644 236000 49 15.0 cavemlynky@gmail.com  Feb-13
6 Wind Cave     (N.P.) U.S.A. South Dakota Custer 142.750 229734 636 193.9 Rod Horrocks e-mail Sep-14
7 Lechuguilla Cave   (C.C.N.P.) U.S.A. New Mexico Eddy 138.300 222572 1604 488.9 Stan Allison e-mail Jun-13
8 The Clearwater System (Gua Air Jernih)   Malaysia Sarawak Mulu 133.804 215337 1165 355.1 Hugh St.Lawrence e-mail Feb-16
9 Fisher Ridge Cave System U.S.A. Kentucky Hart 125.250 201570 356 108.5 Ronnie Harrison e-mail Jan-16
10 Hoelloch Switzerland Schwyz Muotatal 124.536 200421 3079 938.6 http://ch.speleo.info/cavelist.php?mode=length Sep-13
11 Shuanghe Dongqun China Guizhou Suiyang 115.782 186333 1916 584.0 https://www.flickr.com/groups/1945989@N24/discuss/72157649482362929/ Apr-16
12 Siebenhengste-hohgant Hoehlensystem Switzerland Bern Eriz/Beat./Ha. 97.555 157000 4396 1340.0 http://ch.speleo.info Jun-11
13 Schoenberg-Hohlensystem (RaucherkarHoehle-Feuertal-hoehlensystem) Austria Oberosterreich Totes Gebrige 91.156 146702 3481 1061.0 http://hoehle.org/laengste-tiefste Oct-16
14 Sistema del Mortillano Spain Cantabria Porra de Mortillano 86.992 140000 3117 950.0 Jose Luis Membrado e-mail Oct-16
15 Sistema del Alto Tejuelo Spain Cantabria Porracolina 80.832 130087 2005 611.0 Dirk Hermans e-mail Dec-15
16 Ozerna                             (Gypsum) Ukraine Ternopil Borshchiv 79.398 127779 115 35.0 cavemlynky@gmail.com  Feb-11
17 Schwarzmooskogelhoehlensystem Austria Steiermark Totes Gebirge 76.378 122919 3622 1104.0 http://hoehle.org/laengste-tiefste Oct-16
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) Sep-09
19 Systeme de Ojo Guarena Spain Burgos Merindad de Sotoscueva 68.351 110000 633 193.0 http://www.grupoedelweiss.com/ Sep-05
20 Sistema del Gandara Spain Cantabria Porracolina 67.625 108832 2671 814.0 Jose Luis Membrado e-mail Oct-16
21 Toca da Boa Vista Brazil Bahia Campo Formoso 66.487 107000 164 50.0 http://www.sbe.com.br/cavernas_maiores.asp Jan-15
22 Reseau Felix Trombe / Henne-Morte France Haute-Garonne Coume Ouarnede 65.721 105767 3199 975.0 Sylvestre Clement e-mail 01/04
23 HirlatzHoehle Austria Oberosterreich Dachstein 64.212 103340 3520 1073.0 http://hoehle.org/laengste-tiefste Oct-16
24 Sistema Purificacion Mexico Tamaulipas Villa Hidalgo 58.257 93755 3127 953.0 http://www.amcs-pubs.org/longanddeep.html 06/02
25 Zolushka                             (Gypsum) Ukraine / Moldova Briceni/Cernivci Nowoselyzja 56.573 91045 98 30.0 cavemlynky@gmail.com  Feb-11
26 Three Counties System United Kingdom England N.York.,Lanc., Cumbria 53.823 86619 692 211.0 Wookey e-mail Oct-14
27 Gouffre de la Pierre Saint Martin - gouffre des Partages France / Spain Pyrenees-Atlantiques Pierre Saint Martin 49.834 80200 4619 1408.0 http://arsip.free.fr/index.php?option=com_content&task=view&id=76&itemid=56 Sep-08
28 Complesso del Monte Corchia (Fighiera,Farol.)- Su Palu Italy Toscana Alpi Apuane 47.224 76000 3894 1187.0 Guido Baroncni Turricchia e-mail 2016
29 Barenschacht Switzerland Bern Beatenberg 47.204 75967 3212 979.0 http://ch.speleo.info Jan-16
30 Sistema K'oox Baal  - Sistema Tux Kupaxa     (Underwater+Dry) Mexico Quintana Roo Tulum 47.143 75870 86 26.2 QRSS Long Caves List May-15
31 Sistema Huautla Mexico Oaxaca Huautla de Ji. 46.977 75602 5118 1560.0 Bill Stone e-mail May-16
32 Friars Hole Cave System U.S.A. West Virginia Green./Pocoho. 46.724 75195 613 186.9 Doug Medville Oct-16
33 Cova des Pas de Vallgornera      Spain Balearics Llucmajor 46.132 74242 69 21.0 Jose Luis Membrado e-mail Aug-16
34 Bulmer Caverns ( Castle Keep - Gormenghast) New Zealand South Island Mt Owen 44.739 72000 2477 755.0 Descent  (245) P24 Aug-15
35 Binkley's Cave System U.S.A. Indiana Harrison 43.941 70716 140 42.7 Gary Roberson e-mail Sep-16
36 Sima del Hayal de Ponata-Rebollar II (SI-44,SI-57,SR-7) Spain Araba/Bizkaia/Burgos Sierra Salvada/Gorobel M. 43.496 70000 1362 415.0 Caving Group Takomano May-16
37 Ogof Draenen United Kingdom Wales Monmouthshire 43.496 70000 495 151.0 www.ukcaves.co.uk/all-longest Nov-13
38 Hellhole System U.S.A. West Virginia Pendleton 42.200 67914 737 224.6 GVKS Aug-16
39 San Wang Dong China Chongqing Wulong 42.145 67825 1125 343.0 Descent 231 May-13
40 Botovskaya Russia Lrkutsk Sredne 42.096 67747 131 40.0 Alexander Osinzev e-mail Feb-15
41 Dachstein-MammutHoehle Austria Oberosterreich Dachstein 41.903 67437 3960 1207.0 http://hoehle.org/laengste-tiefste Oct-16
42 Reseau de l'Alpe France Isere / Savoie Chartreuse 41.801 67272 2149 655.0 Jose Luis Membrado e-mail Jan-05
43 Kazumura Cave                     (Lava Tube) U.S.A. Hawaii Hawaii 40.700 65500 3614 1101.5 HSS Newsletter N9P7 06/01
44 Organ Cave System U.S.A. West Virginia Greenbrier 38.452 61882 486 148.1 WVASS Database May-07
45 Blue Spring Cave                U.S.A. Tennessee White 38.198 61473 307 93.6 Jason Riichards e-mail Nov-12
46 Complesso della Valle del Nose Italy Lombardia Pian del Tivano 38.028 61200 1801 549.0 Andrea Maconi e-mail Apr-13
47 Arresteliako ziloa(Souffleur de Larrandaburu) France Pyre. Atlantiques/Navarra Pierre Saint Martin 37.868 60943 2740 835.0 http://arsip.free.fr/ Sep-08
48 Sistema Xunaan Ha     (Underwater+Dry) Mexico Quintana Roo Tulum 37.559 60445 89 27.1 QRSS Long Caves List May-15
49 Cueva del Valle (Red Del Silencio) Spain Cantabria Vizcaya 37.421 60223 1565 477.0 www.federacionaragonesaespeleologia.com/ 05/04
50 Sistema de los Cuatro (4) Valles  Spain Cantabria Solorzano 36.093 58086 328 100.0 Jose Luis Membrado e-mail May-16
51 Bol'shaja Oreshnaja            (Conglomerate) Russia Russia Kransnojarsk 36.040 58000 787 240.0 International Caver 2000 P78 2001
52 Kap-Kutan/Promezhutochnaja Turkmenistan Turkistan Gissarsko-Ala. 35.418 57000 1017 310.0 RSIC 1996
53 Whigpistle System U.S.A. Kentucky Edmonson 34.620 55715 314 95.7 2009 NSS/ICS Kerrville Texas Jul-13
54 Systeme du Granier France Isere / Savoie Chartreuse 34.379 55327 1850 564.0 d'Eric Sibert 02/02
55 Mamo Kananda Papua New Guinea Southern Highland Muller Range 34.051 54800 1732 528.0 Atlas Des Grandes Cavites Mondia. 1988
13 Wakulla-Leon Sinks Cave System           U.S.A. Florida Leon/Wakulla 33.730 54283 350 106.7 Casey McKinlay e-mail Dec-16
14 Gr. Caverna de Palmarito Cuba Pinar del Rio S. de Vinales 33.554 54000 0 0.0 Info CREI 2001 N10 2001
15 Teng Long Dong China Hubei Lichuan 32.808 52800 0 0.0 www.hongmeigui.net/deepandlong.php Jul-12
16 Carlsbad Cavern   (C.C.N.P.) U.S.A. New Mexico Eddy 32.350 52062 1035 315.5 Lee H.Skinner e-mail Nov-16
17 Grotte de Saint-Marcel France Ardeche Bas-Vivarais 31.814 51200 764 233.0 Spelunca No.103,FFS May-07
18 Lamprechtsofen Vogelschacht Weg Schacht Austria Salzburg Loferer Steinberge 31.690 51000 5354 1632.0 http://hoehle.org/laengste-tiefste Oct-16
19 Fort Stanton Cave U.S.A. New Mexico Lincoln 31.590 50839 441 134.4 Lee H.Skinner e-mail Jul-14
20 Benarat Caverns System  (lubang Benerat)  Malaysia Sarawak Mulu 31.484 50669 381 116.0 Tim Allen e-mail Mar-09
21 Reseau de la Dent de Crolles France Isere Chartreuse 31.131 50101 2208 673.0 Jean-Yves Bigot 01/04
22 Ogof Ffynnon Ddu United Kingdom Wales Powys 31.069 50000 899 274.0 www.ukcaves.co.uk/all-longest Nov-13
23 Sistema Itxina'pe Sarea Spain Bizkaia Gorbea 30.447 49000 0 0.0 Jose Luis Membrado e-mail Feb-16
24 Crevice Cave U.S.A. Missouri Perry 29.600 47637 0 0.0 M.S.S. Paul Hauck Mar-13
25 Scott Hollow Cave U.S.A. West Virginia Monroe 29.5 47476 571 174.0 WVASS Spring Meeting May-09
26 Omega System U.S.A. Virginia Wise 29.430 47363 1263 385.0 Mike Ficco e-mail Jun-14
27 Kipuka Kanohina (Kula Kai Caverns) (Lava Tube) U.S.A. Hawaii Hawaii 28.700 46188 762 232.3 Bob Richards e-mail Mar-11
28 Santo Tomas (gran caverna de) Cuba Pinar del Rio S. de Quemadas 28.583 46000 0 0.0 The NSS News V57N10P300 10/99
29 Sistema Toh Ha   (Underwater) Mexico Quintana Roo Tulum 28.403 45711 42 12.8 QRSS Long Caves List May-15
30 Sistema Aranonera (Sima S1-S2)(Tendenera connected) Spain Huesca Pirineos 28.115 45246 4426 1349.0 Jose Luis Membrado e-mail Oct-13
31 Grotte de la Diau France Haute Savoie Parmelan 27.962 45000 2297 700.0 Bertrand Hauser Dec-12
32 Double Bopper Cave U.S.A. Arizona Coconino 27.663 44519 618 188.4 Jason Ballenski e-mail May-16
33 Kolkbluser-Monster-Hoehlensystem Austria Salzburg Steinernes Meer 27.643 44487 2372 723.0 http://hoehle.org/laengste-tiefste Oct-16
34 Cumberland Caverns                (Saltpeter) U.S.A. Tennessee Warren 27.616 44444 200 61.0 Charles Cole Mar-92
35 Jaguar Claw  ( Garra de Jaguar ) Mexico Quintana Roo Tulum 27.216 43800 0 0.0 QRSS Long Caves List Apr-15
36 Trou qui souffle France Isere Vercors 26.657 42900 2198 670.0 Descent 243 P32 Apr-15
37 Pestera Vantului Romania Bihor Mtii Padurea Craiului 26.200 42165 558 170.0 Victor Ursu info - 34-52km in length Sep-10
38 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 Aug-12
39 Memorial Day Cave U.S.A. West Virginia Pendleton 26.150 42084 561 171.0 GVKS Aug-16
40 Tham Khoun Dori - Houay Sai System Cave Laos Khammouane Ban Na 26.145 42077 853 260.0 Charles Ghommidh e-mail Jan-16
41 Sistema de Anielarra  (Anialarra) Spain Nafarroa Larra 26.111 42022 2799 853.0 Paul De Bie e-mail Jan-16
42 Sistema de Atxuriaga (Complex) Spain Bizkaia Galdames 26.098 42000 1729 527.0 Jose Luis Membrado e-mail Jan-16
43 Eisriesenwelt Austria Salzburg Tennengebirge 26.098 42000 1335 407.0 http://hoehle.org/laengste-tiefste Oct-16
44 Frauenmauer-Langstein-Hoehlensystem Austria Steiermark Hochsehwab 25.719 41390 1952 595.0 http://hoehle.org/laengste-tiefste Oct-16
45 Gouffre de Padirac France Lot Causse de Gramat 25.476 41000 853 260.0 http://www.gouffre-de-padirac.com/index.htm Jun-10
46 Mlynky (Ml'inki )                     (Gypsum) Ukraine Ternopil Chortkiv 25.476 41000 66 20.0 cavemlynky@gmail.com  Feb-11
47 Gamslocher-Kolowratsystem Austria Salzburg Untersberg 25.199 40554 3707 1130.0 http://hoehle.org/laengste-tiefste Oct-16
48 Cueva del Tecolote Mexico Tamaulipas Villa Hidalgo 25.150 40475 1391 424.0 Mark Minton e-mail 05/05
49 Demanovsky jaskynny system Slovakia Nizke Tatry Demanovske vrchy 25.091 40380 643 196.0 http://www.speleodd.sk/main.php?pageid=11&novinka=530 Mar-15
50 Scialet de les Nuits Blanches France Isere Vercors 24.855 40000 3497 1066.0 http://speleo.blogspot.com/ Sep-08
51 Complesso del Col delle Erbe Italy Friuli VG Chiusafoete 24.855 40000 0 0.0 Speleologia N68P102-103  Jun-13
52 Sloans Valley Cave System U.S.A. Kentucky Pulaski 24.640 39654 240 73.2 The International Caver N19P23 May-97
53 System Amaterskej a Punkevni Jesky. Czech Rep. Moravia Ostrov 24.324 39146 1631 497.0 Libor Faitl e-mail Jan-13
54 Chiquibul Cave System (Cebaba & Actun Tunkul) Belize Mt Junea West Chiquibul 24.233 39000 525 160.0 Tom Miller e-mail 01/02
55 Xanadu Cave System U.S.A. Tennessee Fentress 24.062 38724 227 69.2 Tenn.Cave Survey Feb-13
56 Jiangzhou Dongxuexitong China Guangxi Fengshan 23.923 38500 492 150.0 www.hongmeigui.net/deepandlong.php Apr-08
57 Silberensystem (Schwyzerschacht) Switzerland Schwyz Muotatal 23.845 38375 2915 888.4 http://ch.speleo.info Jun-11
58 Sistema Pool Tunich   (Underwater+Dry) Mexico Quintana Roo Xcaret 23.784 38276 79 24.0 QRSS Long Caves List Jun-15
59 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 Jan-14
60 Sistema de Pan de Azucar Cuba Pinar del Rio S.del Rosario 23.612 38000 0 0.0 The NSS News V57N10P300 10/99
61 Sistema Cuetzalan - Atepolihuit Mexico Puebla Curtzalan 23.411 37676 2159 658.0 Mark Minton e-mail 06/02
62 Grotte de la Luire France Drome Vercors 23.341 37563 1795 547.0 The International Caver #24 P36 1999
63 The Hole (Boggs Cave) U.S.A. West Virginia Greenbrier 23.003 37020 225 68.6 Bill Balfour Sep-91
64 Sistemul Humpleu-Poienita Romania Cluj Mtii Bihor  22.742 36600 1030 314.0 Victor Ursu e-mal Nov-10
65 Coral Cave System U.S.A. Kentucky Pulaski 22.560 36307 340 103.6 Lee Florea e-mail Dec-13
66 Sugar Run Cave System U.S.A. Virginia Giles 22.5 36210 718 218.8 VSS Long & Deep Cave Lists 02/03
67 Lost River Cave System U.S.A. Indiana Orange 22.180 35695 94 28.7 Mark Deebel e-mail Oct-13
68 Complesso di Piaggia Bella Italy Piemonte Marguareis 22.059 35500 3153 961.0 http://www.Class.del.g.piulunghe/profon.d'Italia 1996
69 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 Aug-05
70 Sistema de las Fuentes de Escuain (Badalona B15-B1) Spain Huesca Escuain 21.773 35041 3776 1151.0 Jose Luis Membrado e-mail Feb-16
71 Complesso della Carcaraia (Abisso Saragato) Italy Toscana Alpi Apuane 21.748 35000 3691 1125.0 Speleologia N68P102-103  2013
72 Reseau Andre Lachambre (grotte d'Embulla) France Pyrenees-Orientales Conflent 21.748 35000 243 74.0 D'apres Christophe Levillain 2003
73 TantalHoehle Austria Salzburg Hagengebirge 21.539 34664 1427 435.0 http://hoehle.org/laengste-tiefste Oct-16
74 Mawandong China Guizhou Zhengan 21.535 34657 1821 555.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_gro.php?op=deve Dec-13
75 Lilburn Cave  (N.P.) U.S.A. California Tulare 21.516 34627 508 154.8 Jed Mosenfelder e-mail Jan-11
76 Atea Kananda Papua New Guinea Southern Highland Muller Range 21.437 34500 1148 350.0 The British Caver V94-95 1985
77 Sistema Azpilicueta-Coteron-Renada (Sistema de la Vega) Spain Cantabria Ruesga 21.277 34242 1033 315.0 Jose Luis Membrado e-mail May-16
78 Chestnut Ridge Cave System U.S.A. Virginia Bath 21.260 34215 808 246.3 Gregg Clemmer Jan-16
79 Sistema Cueto-Coventosa-Cubera Spain Cantabria Porracolina 21.130 34005 2674 815.0 Jose Luis Membrado e-mail Feb-16
80 Majaguas-Cantera (sis.caverna.) Cuba Pinar del Rio S.de San Carlo 21.127 34000 0 0.0 The International Caver 2000
81 Hidden River System (Hicks Cave) U.S.A. Kentucky Hart 21.100 33957 160 48.8 Carbide Caver V7I10P111 Oct-98
82 Culverson Creek Cave System U.S.A. West Virginia Greenbrier 20.928 33680 329 100.3 WVASS Database Jun-15
83 Blue Spring Cave U.S.A. Indiana Lawrence 20.810 33490 140 42.7 0 Oct-13
84 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 Jan-14
85 Cueva la Vallina (VT.100) Spain Cantabria Arredondo 20.710 33329 515 157.0 Jose Luis Membrado e-mail Nov-16
86 Reseau du Verneau France Doubs Deservillers 20.692 33300 1270 387.0 Jean-Yves Bigot 01/04
87 Honey Creek Cave U.S.A. Texas Comal 20.689 33295 124 37.9 Texas Speleological Survey via Jerry Atkinson e-mail Aug-14
88 Toca da Barriguda Brazil Bahia ? 20.505 33000 200 61.0 http://www.sbe.com.br/cavernas_maiores.asp Jan-15
89 Terikan System (Rising, East, West) Malaysia Sarawak Mulu 20.240 32573 0 0.0 Matt Kirby e-mail Oct-05
90 Ogof Agen Allwedd United Kingdom Wales Powys, Monmouthshire 20.195 32500 525 160.0 www.ukcaves.co.uk/all-longest Nov-13
91 Cueva de los Chorros Spain Albacete Riopar 20.195 32500 427 130.0 Clasificacion Por Desnivel Jul-04
92 Jamski sustav Kita Gacesina - Drazenova puhaljka Croatia Juzni Velebit Crnopac 20.141 32414 2418 737.0 Aida Barisic Nov-16
93 Gouffre Berger - Gouffre de la Fromagere France Isere Vercors 19.753 31790 4341 1323.0 http://www.explos.org/blog/ via Jose Luis Membrado Jun-10
94 Kihaje Xontjoa Mexico Oaxaca Cerro Rabon P. 19.494 31373 4012 1223.0 http://www.amcs-pubs.org/longanddeep.html 06/02
95 Grotta di Monte Cucco Italy Umbria Monte Cucco 19.449 31300 3048 929.0 Class.del.g.piu lunghe/profon.d'Italia 1996
96 Systeme Prerouge - Litorne France Savoie Bauges 19.444 31292 1667 508.0    01/04
97 Klarahohle Austria Oberosterreich Sengsengebirge 19.133 30791 991 302.0 http://hoehle.org/laengste-tiefste Oct-16
98 Mesacny tien Slovakia Vysoke Tatry Javorinska Siroka 18.921 30450 1480 451.0 Brano Smida e-mail Jan-13
99 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 Mar-13
100 Cosanostraloch-Berger-Platteneck Hoehlesystem Austria Salzburg Tennengebirge 18.887 30396 4236 1291.0 http://hoehle.org/laengste-tiefste Oct-16
101 Sistema de la Pena de Mediodia Spain Huesca Pirineos 18.815 30280 2959 902.0 Jose Luis Membrado e-mail Sep-15
102 Trou du Garde / Creux de la Cavale France Savoie Les Deserts 18.765 30200 1066 325.0 Jean-Yves Bigot 01/04
103 Szepvolgyi System (Pal-volgy Cave) Hungary Budapest   18.703 30100 404 123.0 International Journal of Speleology 44(2) May-15
104 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 Jan-14
105 Reseau de Coufin-Chevaline France Isere Vercors 18.541 29839 1348 411.0 Jean-Yves Bigot 01/04
106 Gap Cave System (Cudjo's)   (C.G.N.H.P.) U.S.A. Virginia Lee 18.529 29820 491 149.7 Bob Gulden (CRF) Apr-16
107 Bettenhohle Switzerland Obwalden Kerns 18.321 29484 2638 804.0 http://ch.speleo.info Jan-16
108 Carroll Cave U.S.A. Missouri Camden 18.153 29214 224 68.3 Bob Lerch e-mail Jan-13
109 McClung Cave System U.S.A. West Virginia Greenbrier 18.090 29113 200 61.0 Joseph Caldwell l Nov-14
110 Butler-Sinking Creek System U.S.A. Virginia Bath 18.060 29065 624 190.2 Tont Canike email Sep-16
111 Windy Mouth (Wind) Cave U.S.A. West Virginia Greenbrier 18.000 28968 200 61.0 Jim Hixson Feb-89
112 Moore Cave System  (Berome & Tom) U.S.A. Missouri Perry 18.000 28968 0 0.0 NSS Caves Files - Dick Blenz Oct-13
113 Sistema de Tepepa (Ehecatl+Niebla) Mexico Puebla ? 17.709 28500 2949 899.0 Desent 209 Sep-09
114 Otscher-Hoehlensystem Austria Nieberosterreich Otscher 17.690 28470 2172 662.0 http://hoehle.org/laengste-tiefste Oct-16
115 Reseau de Francheville France Cote-d'Or Francheville 17.523 28200 489 149.0 Jean-Yves Bigot 01/04
116 Fitton (Beauty) Cave U.S.A. Arkansas Newton 17.500 28164 313 95.4 Scott House e-mail Feb-13
117 Jagerbrunntro-Hoehlensystem Austria Salzburg Hagengebirge 17.415 28026 3537 1078.0 http://hoehle.org/laengste-tiefste Oct-16
118 Ogof Daren Cilau System United Kingdom Wales Powys, Monmouthshire 17.398 28000 761 232.0 www.ukcaves.co.uk/all-longest Nov-13
119 Old Homestead Cave Australia Western Australia Nullarbor Plain 17.398 28000 0 0.0 International Caver No.7 1995
120 Hualalai Ranch Cave               (Lava Tube) U.S.A. Hawaii Hawaii 17.265 27785 1449 441.7 Doug Medville e-mail Mar-07
121 Thornhill Cave System U.S.A. Kentucky Breckenridge 17.232 27732 0 0.0 Arron Reed Louisville Grotto e-mail Nov-13
122 Coldwater Cave U.S.A. Iowa Winneshiek 17.005 27367 80 24.4 Larry Welch e-mail Jul-13
123 Kingsdale Cave System United Kingdom England North Yorkshire 16.777 27000 541 165.0 www.ukcaves.co.uk/all-longest Nov-13
124 Green Cathedral/Turtle Cave System Malaysia Sarawak Gunung Buda 16.759 26971 997 304.0 NSS News V62N8P225 Aug-04
125 Cueva de Rescano - Torca de la Luna Llena Spain Cantabria ? 16.691 26862 0 0.0 Jose Luis Membrado e-mail Feb-16
126 Sistema Sand Crack   (Underwater) Mexico Quintana Roo Tulum 16.619 26746 58 17.7 QRSS Long Caves List Jun-15
127 Sistema Cheve (Cuicateco) Mexico Oaxaca Cuicatlan 16.276 26194 4869 1484.0 Mark Minton e-mail May-07
128 Bigfoot Cave U.S.A. California Siskiyou 16.250 26152 1205 367.3 Scott Linn e-mail Oct-16
129 Powell's Cave System U.S.A. Texas Menard 16.246 26146 79 24.0 Texas Speleological Survey via Jerry Atkinson e-mail Nov-13
130 Reseau de Bunant France Haute Savoie Parmelan 16.235 26128 1188 362.0 Jean-Yves Bigot 01/04
131 Baradla barlang-Domica jaskyna Slovak / Hungary Slovak / Aggtelek Karst Kecovo - Josvafo 16.196 26065 381 116.0 P.Bella - P.Gruber e-mail Feb-15
132 Gran Sistema Cavernaio de Fuentes Cuba Pinae del Rio Sierra de Mesa 16.156 26000 0 0.0 The International Caver #8 1993
133 Perdidos (sis.cavernario de los) Cuba Pinar del Rio S. del Roario 16.156 26000 0 0.0 Speleolgia 1977
134 Rumbling Falls Cave. U.S.A. Tennessee Van Buren 16.091 25896 474 144.5 Marion O.Smith per TCS 02/03
135 Migovec (Vrtnarija) System (M-16) Slovenia ? zaledje Tolminke 15.867 25535 3189 972.0 Longest & Deepest Caves of Slovenia Apr-15
136 Mystery Cave System U.S.A. Missouri Perry 15.842 25495 0 0.0 M.S.S. Walsh Feb-13
137 Sistema Tibia-Fresca Spain Cantabria Porracolina 15.754 25353 1663 507.0 Jose Luis Membrado e-mail Feb-08
138 Tjoarvekrajgge Norway Nordland Sorfold 15.638 25167 1631 497.0 Torstein Finnesand e-mail Aug-15
139 Sistema Nohoch Pek - Muk K'in   (Underwater) Mexico Quintana Roo Tulum 15.634 25160 61 18.6 QRSS Long Caves List Jun-15
140 Fern Cave                           (597) U.S.A. Alabama Jackson 15.63 25154 536 163.4 Fern Cave Project 1995
141 Mountain Eye Cave System          (Saltpeter) U.S.A. Tennessee Fentress 15.587 25085 280 85.3 Tenn. Cave Survey Mar-87
142 Sistema Buso della Rana / Pisarela Italy Veneto Faedo-Casaron 15.555 25033 738 225.0 Class.del.g.piu lunghe/profon.d'Italia 1996
143 Gouffre Lonne-Peyret (Reseau des Arres Planeres) France Pyrenees-Atlantiques Pierre Saint Martin 15.125 24341 2648 807.0 Jean-Yves Bigot 01/04
144 Nunley Mtn.Cave System (Maria Angela Grotto) U.S.A. Tennessee Grundy 15.080 24269 350 106.7 David Parr per TCS Feb-13
145 Cave Creek Cave System U.S.A. Kentucky Pulaski 15.010 24156 170 51.8 COG Squeaks May-05
146 Foglepole Cave U.S.A. Illinois Monroe 15.000 24140 0 0.0 NSS News V56N4P114 Apr-98
147 Illyuzia-Mezhonnogo-Snezhnaya Georgia Abkhazia West Caucasus 14.963 24080 5751 1753.0 de Alexey Shelepin (jefe de expedicicion) Sep-07
148 Clearwell Caves (Part Mine) United Kingdom England Gloucestershire 14.913 24000 351 107.0 www.ukcaves.co.uk/all-longest Nov-13
149 Puerto Princesa Subterranean River(St.Pauls Underground River Cave) Philippines Palawan Island ? 14.913 24000 328 100.0 Wikipedia Aug-16
150 Benedicts (Persinger) Cave U.S.A. West Virginia Greenbrier 14.850 23899 254 77.4 WVASS Database Jun-15
151 Sistema Soconusco Mexico Chiapas ? 14.823 23856 1683 513.0 Taco van Leperen via Mark Minton e-mail Nov-05
152 Dof-Sonnenleiter-Hoehlensystem Austria Totes Gebirge Styria 14.818 23847 3583 1092.0 http://hoehle.org/laengste-tiefste Oct-16
153 Akkado Japan Iwate ? 14.726 23700 0 0.0   May-06
154 jaskinia Wielka Sniezna Poland Czerwone Wierchy Malolaczniak 14.677 23620 2703 824.0 Polish Caving 2005-2009 Jun-09
155 Big Horn - Horsethief Cave System U.S.A. Wyoming / Montana Bighorn 14.615 23521 171 52.1 Even Gehring e-mail Feb-13
156 Torca de la Vaca - Wil Ware Spain Cantabria Entrambasaguas 14.562 23436 220 67.0 Jose Luis Membrado e-mail Nov-16
157 Systeme de Foussoubie France Ardeche Bas-Vivarais 14.457 23266 453 138.0 Jean-Yves Bigot 01/04
158 Complesso dell'Alto Releccio (Vive le Donne)(Abisso Paolo Rowersi) Italy Lombardia Grigna. Settentrionale 14.294 23004 4308 1313.0 Andrea Maconi e-mail Mar-15
159 Cueva Coyolat Mexico Puebla Tlacotepec 14.292 23000 2034 620.0 Gustavo e-mail AMCS#29 May-07
160 Complesso Fiume-Vento Italy Marche Frasassi 14.292 23000 804 245.0 http://www.Class.del.g.piulunghe/profon.d'Italia 1996
161 Mini - Martin Cave - Exit Cave Australia Tasmania Ida Bay 14.292 23000 722 220.0 Sherry Juneo 1996
162 Cuevas de Bellamar Cuba Matanzas   14.292 23000 0 0.0 http://www.ecured.cu/index.php/Cuevas_de_Bellamar Oct-14
163 Reseau de Fuilla - Canalettes France Pyrenees-Orientales Conflent 14.292 23000 0 0.0 D'apres Christophe Levillain 2003
164 Rimstone River Cave U.S.A. Missouri Perry 14.200 22853 0 0.0 M.S.S. Walsh Feb-13
165 Systeme Biolles - Squelettes - Crolleurs France Savoie Margeriaz 14.155 22781 1939 591.0 Jean-Yves Bigot 01/04
166 Bone - Norman Cave System U.S.A. West Virginia Greenbrier 14.118 22721 186 56.7 Bill Douty e-mail Dec-97
167 Kryshtaleva (Kristal'naja)      (Gypsum) Ukraine Ternopil Borshchiv 14.049 22610 66 20.0 cavemlynky@gmail.com  Feb-11
168 Grotta della Bigonda Italy Trentino A.A. Alt.di Asingo 14.043 22600 1476 450.0 Class.del.g.piu lunghe/profon.d'Italia 1996
169 Burgunderschacht Austria Oberosterreich Totes Gebirge 14.036 22588 2782 848.0 http://hoehle.org/laengste-tiefste Oct-16
170 Grotte d'Arphidia France Pyrenees-Atlantiques Pierre Saint Martin 14.027 22575 2336 712.0 Jean-Yves Bigot 01/04
171 Jenolan System Australia NSW ? 13.983 22503 348 106.0 Mark Sefton e-mail Jul-06
172 Black Rock Cave Malaysia Sarawak Mulu 13.981 22500        
173 Cueva del Soplao Spain Cantabria Sierra de Arnero 13.970 22483 0 0.0 Jose Luis Membrado e-mail May-16
174 Baishui Dong China Guizhou Jiang Kou 13.950 22450 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? Aug-05
175 Sistema de Cubija (North Vega System) Spain Cantabria Matienzo 13.890 22353 482 147.0 Juan Corrin e-mail Jan-15
176 Stratenska jaskyna - Psie diery Slovakia Spissko-gemersky Slovensky raj 13.834 22264 636 194.0 www.drienka.host.sk/najdlhsie.php Jan-13
177 Gouffre Nebele France Pyrenees-Atlantiques Aquitaine 13.813 22230 755 230.0 Jean-Yves Bigot 01/04
178 Pestera din Piriul Hodobanei  (Pestera Ratei ) Romania Alba Mtii Bihor  13.758 22142 594 181.0 Victor Ursu info  Sep-10
179 Krem Tyngheng/Diengjem India Meghalaya Jaintia Hills 13.719 22078 0 0.0 Descent 243 P33 Apr-15
180 Abisso Bueno Fonteno Italy Lombardia Fonteno 13.670 22000 0 0.0 Speleologia N68P102-103  Jun-13
181 Sistema del Hoyon de Saco(Sistema del Hoyo Grande) Spain Cantabria Porracolina 13.546 21800 1739 530.0 Clasificacion Por Desnivel Jul-04
182 Sistema del Rio Encantado Puerto Rico   Florida,Ciales,Manati 13.527 21770 1129 344.0 Mark Minton e-mail Jun-11
183 Torca la Vaca - Woil Mare Spain Cantabria Mortilliano 13.444 21636 0 0.0 Jose Luis Membrado e-mail May-16
184 Krem KotSati/Um Lawan India Meghalaya Jaintia Hills 13.378 21530 705 215.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 Mar-13
185 Groaning Cave U.S.A. Colorado Garfield 13.270 21356 149 45.4 Derek Bristol e-mail Aug-15
186 Big Bat Cave U.S.A. Kentucky Breckenridge 13.250 21324 0 0.0 Steve Gentry e-mail Jun-13
187 Castleguard Cave Canada Alberta Rocky Mountain 13.056 21011 1260 384.0 Canadian Caver 75  Jan-13
188 Complesso del Grignone Italy Lombardia Esino/Mandello Lario 13.049 21000 3904 1190.0 Speleologia N68P102-103  Jun-13
189 Reseau des Grottes aux Fees Switzerland Vallorbe   13.049 21000 745 227.0 http://ch.speleo.info Jan-16
190 Perte de Massar France Aveyron Causse de Limogne 13.049 21000 394 120.0 Claude Milhas 01/04
191 Emesine Cave (1881 System)        (Lava Tube) U.S.A. Hawaii Hawaii 12.890 20744 1433 436.8 Don Coons e-mail 03/02
192 Almberg-Hohlensystem Austria Steiermark Totes Gebirge 12.882 20731 991 302.0 http://hoehle.org/laengste-tiefste Oct-16
193 Postojnska jama Slovenia Notranjska Postojnski kras 12.813 20620 377 115.0 Longest & Deepest Caves of Slovenia Apr-15
194 Mystery Cave System U.S.A. Minnesota Fillmore 12.790 20584 101 30.8 Minnesota Speleology Aug-87
195 Conjunto Sao Mateus/Imbira Brazil Goias Sao Domingos 12.763 20540 0 0.0 AGCM 1986
196 Reseau Jean Bernard France Haute Savoie Haute-Giffre 12.760 20536 5256 1602.0 Spelunca N0.103, Federation Francaise de Speleologie Jun-05
197 Selminum Tem Papua New Guinea Western Prov. Hindenburg Rng 12.738 20500 449 137.0 B.C.R.A. Bulletin 1977
198 Pestera Topolnita (Complexui ?) Romania Mahedinti Podisul Mahedinti 12.738 20500 417 127.0 International Caver #11 1994
199 Anvil Cave                           (279) U.S.A. Alabama Morgan 12.667 20386 51 15.5 Alabama Cave Survey Apr-80
200 Gradys (Mammoth River) Cave System U.S.A. Kentucky Hart 12.600 20278 120 36.6 Carbide Caver V7I9P111 Oct-98
201 Jaskyna Mrtvych netopierov Slovakia Nizke Tatry Dumbier 12.549 20195 1063 324.0 www.drienka.host.sk/najdlhsie.php Jan-99
202 Sistemul Ciur - Ponor - Toplita de Rosia Romania Bihor Mtii Padurea Craiului 12.521 20150 748 228.0 Victor Ursu e-mal Nov-10
203 Complesso del Foran del Muss Italy Friuli VG Canin Massif 12.427 20000 3668 1118.0 Speleologia N68P102-103  2013
204 Aven Noir France Aveyron Grands Causses 12.427 20000 351 107.0 info FFS 01/04
205 Sistema cueva del Agua - Barbancho - Socueto - Nispero Spain Burgos   12.427 20000 0 0.0 Jose Luis Membrado e-mail Jan-16
206 Delissea Cave System U.S.A. Hawaii Hawaii 12.408 19700 1952 595.0 Peter Bosted e-mail Sep-16
207 Dry Cave U.S.A. New Mexico Eddy 12.222 19669 279 85.0 Stan Allison via Pete Mar-16
208 SchrattenHoehle Switzerland Obwalden Kerns 12.207 19645 1880 573.0 http://ch.speleo.info Jun-11
209 Ellisons Cave U.S.A. Georgia Walker 12.127 19517 1063 324 Georgia Underground V24N1 03/87
210 Lingshandong China Guizhou Zhengan 11.993 19301 1591 485.0 Long Caves in China by Erin Lynch Jan-07
211 Torca de los Corrales del Trillo (Sistema Pena del Trillo-La Tramasquera) Spain Cantabria / Burgos ? 11.992 19300 1430 436.0 Clasificacion Por Desnivel Jul-04
212 V5 Sistemul Varasoaia (V5-V24) Romania Bihor Mtii Bihor  11.961 19250 2142 653.0 Victor Ursu e-mal Nov-13
213 Riesending-Schachthohle Germany Bavaria Untersgberg Mtns. 11.868 19100 3766 1148.0 Thomas Matthalm e-mail Dec-14
214 Sistema del Faro-Isla de Mona Puerto Rico Isla de Mona Mayaguez 11.868 19100 118 36.0 Marc Ohms e-mail 04/01
215 Grotte de Neuvon France Cote-d'Or Plom.-les-Dij. 11.868 19100 115 35.0 Spelunca #56 1995
216 Pleasant Ridge Cave U.S.A. Tennessee Cannon 11.850 19071 340 103.6 Hal Love e-mail Mar-16
217 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 Dec-12
218 Red de Toneyo Spain Asturias Macizo del Cornion 11.787 18970 2014 614.0 List of Spains Longest & Deepest (WWW) 04/98
219 Hang khe Rhy Vietnam Quang Binh ? 11.756 18920 0 0.0 Peter MacNab e-mail Jul-13
220 Maxwellton (Cowshit Pit) Cave U.S.A. West Virginia Greenbrier 11.702 18833 326 99.4 WVASS Database Jun-15
221 Reseau Fanges - Paradet France Pyrenees-Orientales Fenouilledes 11.702 18832 984 300.0 Bernard Ournie e-mail Sep-12
222 Cueva del Hoyo Salcedillo Spain Cantabria Porracolina 11.682 18800 1745 532.0 Jose Luis Membrado e-mail Dec-08
223 Sistema sima GESM - sima de la Luna Spain Malaga Sierra de las Nieves 11.593 18657 3445 1050.0 Jose Luis Membrado e-mail Aug-16
224 Wells Cave U.S.A. Kentucky Pulaski 11.496 18501 0 0.0 NSS News V57N10P308 Oct-99
225 Complesso Mutera - Fantozzi Italy Piemonte Ormea 11.435 18403 0 0.0 Speleologia N68P102-103  Jun-13
226 Rhar Bou Ma'za (Tafna River Cave) Algeria Tilimsen Tilimsen Range 11.433 18400 0 0.0 Atlas - Great Caves of the World 1989
227 Wit Tamdoun Morocco Agadir Immouzer 11.433 18400 0 0.0 Caves & Caving I84 Sum99
228 Beacon Woods - Waynes World System               U.S.A. Florida Pasco 11.364 18289 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-13
229 Luweng Jaran    Indonesia Java Timur Pacitan 11.309 18200 394 120.0 Tim Stratford (International Caver) 03/96
230 Duhlata (D(a)(ou)hklata) Bulgaria  ? Pernik 11.309 18200 230 70.0 Caves of Bulgaria Jul-12
231 Cueva del Saman Venezuela Edo Zulia Fundo las Pis. 11.309 18200 0 0.0 Franco Urbani 1998
232 Krem UmTHLOO-SYNRANG Labbit India Meghalaya Jaintia Hills 11.297 18181 617 188.0 Indian Sub Coninent Longest/Deepest Limestone Caves 3/13 Mar-13
233 Pestera de la Izvorul Tausoare Romania Bistrita-Nasaud Mtii Rodnei  11.251 18107 1512 461.0 Victor Ursu e-mal Nov-10
234 Ambatoharanana Madagascar Ambilobe Ankarana 11.247 18100 0 0.0 Atlas - Great Caves of the world 1989
235 Grotte de Gournier France Isere Vercors 11.185 18000 2231 680.0 The International Caver #21P41 1997
236 Goochland - Poplar Cave Complex U.S.A. Kentucky Rockcastle 11.180 17992 0 0.0 Kentucky Speleo-Fest Guidebook Jun-05
237 Reseau Superieur du clos d'Aspres France Isere Vercors 11.101 17865 2320 707.0 Jean-Yves Bigot 01/04
238 Sistema Lecherines Spain Huesca Macizo de Aspe 11.060 17800 3310 1009.0 Jose Luis Membrado e-mail Jan-16
239 Tanne aux Cochons - Tanne Froide France Savoie margeriaz 10.995 17694 2700 823.0 Jean-Yves Bigot 01/04
240 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? 1993
241 Peak/Speedwell System (part mine) United Kingdom England Derbyshire 10.930 17590 814 248.0 www.ukcaves.co.uk/all-longest Nov-13
242 Aven du Sotch de la Tride France Aveyron Grands Causses 10.812 17400 1122 342.0 Liste Drouin 2003
243 Grotta del Bue Marino Italy Sardinia Dorgali 10.812 17400 0 0.0 Speleologia N68P102-103  Jun-13
244 Sistema Ponderosa     (Underwater+Dry) Mexico Quintana Roo Tulum 10.785 17356 67 20.4 QRSS Long Caves List May-15
245 Krasnaya (Kyzyl-Toba) Ukraine Crimea ? 10.781 17350 656 200.0 cavemlynky@gmail.com  Feb-13
246 Interessante Hohle Austria Salzburg Hagengebirge 10.742 17288 1913 583.0 http://hoehle.org/laengste-tiefste Oct-16
247 Crumps Spring Cave U.S.A. Kentucky Hart 10.740 17284 140 42.7 Joe Saunders Sep-89
248 Verborgene Hohle Austria Oberosterreich Totes Gebirge 10.727 17264 961 293.0 http://hoehle.org/laengste-tiefste Oct-16
249 Cueva de Mairuelegorreta Spain Araba Gorbea 10.719 17250 0 0.0 Jose Luis Membrado e-mail Aug-12
250 Duobing Dong China Guizhou Xiuwen/Xifeng 10.694 17210 0 0.0 http://www.grottes-et-karsts-de-chine.org/npds/gkc_rcdev50.php? 12/02
251 Tham Chom Ong System Laos Xai Oudoaxay 10.657 17150 0 0.0 Eurospeleo Magazine N2P66 2014
252 Conjunto Santa Rita Brazil Iraquara Bahia 10.594 17050 0 0.0 Vulcains #53P45 1995
253 Cueva del Viento-cueva del Sobrado (Lava Tube) Spain Canarias Island Tenerife Is. 10.583 17032 1837 560.0 Grupo de Espeleologia Tebexcorade 4/8
254 Neide - Muruk Cave Papua New Guinea New Britain Galowe Plateau 10.563 17000 4127 1258.0 Deep Cave List by Philippe Drouin 02/01
255 Petroglyph Cave (part of the Caves Branch S.) Belize ? ? 10.563 17000 0 0.0 Tom Miller e-mail 01/02
256 Reseau du Rupt du Puits France Meuse Barrois 10.563 17000 0 0.0 D'apres Stephane Jaillet 2003
257 Katalehkhor Cave Iran Zanjan   10.563 17000 0 0.0   Oct-14
258 Complesso Ispinigoli - S.Giovanni Su Anzu-Nurachi Italy Sardinia Dorgali 10.563 17000 0 0.0 Speleologia N68P102-103  Jun-13
259 Gaping Gill System United Kingdom England North Yorkshire 10.501 16900 650 198.0 www.ukcaves.co.uk/all-longest Nov-13
260 Portal-BoarHole System U.S.A. West Virginia Greenbrier 10.466 16843 333 101.5 WVASS Database Feb-14
261 Sistema de Partacua Spain Huesca Pirineos 10.307 16588 2707 825.0 Jose Luis Membrado e-mail Oct-13
262 Aven de la Leicasse France Herault Grands Causses 10.271 16530 1168 356.0 Jean-Yves Bigot 01/04
263 James (Thousand Domes) Cave U.S.A. Kentucky Edmonson 10.250 16496 0 0.0 Glenn Merrill Jul-84
264 Reseau de la Couze (Correze) France Correze Causse de Martel 10.207 16426 338 103.0 Thierry Apriland via Yvonne e-mail 01/04
265 Sistema Roraima Sur Venezuela ? ? 10.190 16400 0 0.0 2009 NSS/ICS Kerrville Texas Jul-13
266 Sustav Dulin ponor - Medvedica Croatia Hrvatska Ogulin 10.188 16396 0 0.0 http://public.srce.hr/speleo/karta.html 1989
267 Pestera din Valea Rea Romania Bihor Mtii Bihor  10.164 16357 1220 372.0 Victor Ursu e-mal Nov-10
268 Sistema Kulogorskaya-Troya              (Gypsum)   Russia Arkhangelsk Pinega 10.096 16248 59 18.0 Karst and cave Pinega's   -  Victor Malkov, Evgeny Gurkalo Jun-05
269 Cueva Tonio - Cayueia Spain Cantabria Porracolina 10.073 16211 0 0.0 Jose Luis Membrado e-mail Jan-16
270 Cloud Cave - Cobra Cave - Bridge System Malaysia Sarawak Mulu 10.019 16124 1083 330.0 Matt Kirby e-mail Dec-05
271 Cueva Ojos de Cristal Venezuela Roraima ? 10.004 16100 240 73.0 NSS News V68N7P17 Jul-13
272 Perkins Cave U.S.A. Virginia Washington 9.997 16089 300 91.4 Virginia Speleological Survey Jun-05
273 Krubera (Voronja) Cave Georgia Abkhazia West Caucasus 9.978 16058 7208 2197.0 www.karstworlds.com/2012/08/krubera-voronya-record-depth-record Aug-12
274 Gouffre de Cabrespine (lo Gaugnas) France Aude Montagne Noire 9.978 16058 804 245.0 Jean-Yves Bigot 01/04
275 Pahoa Cave(s) (segmentation??)    (Lava Tube) U.S.A. Hawaii Hawaii 9.942 16000 1150 350.5 Lava Tube Flow e-mails May-05
276 Complesso Cappa-18-Denver-Straldi Italy Piemonte Briga Alta 9.942 16000 2559 780.0 Speleologia N68P102-103  Jun-13
277 Dan yr Ogof United Kingdom Wales Powys 9.942 16000 492 150.0 www.ukcaves.co.uk/all-longest Nov-13
278 Poulnagollum - Poulelva Ireland Co.Clare   9.942 16000 459 140.0 www.ukcaves.co.uk/all-longest  
279 Igues de Goudou - Lacarriere France Lot Causse de Gramat 9.942 16000 394 120.0 Jean-Yves Bigot 01/04
280 Snail Shell Cave System U.S.A. Tennessee Rutherford 9.926 15974 144 43.9 Jeff Sims Jul-86
281 Dunbar Cave - Roy Woodard System  (Saltpeter) U.S.A. Tennessee Montgomery 9.850 15852 119 36.3 Tony Groves e-mail Sep-13
282 ``uta do Padre Brazil Bahia Santana 9.818 15800 0 0.0 International Caver No.1 10/91
283 Sullivan Cave U.S.A. Indiana Lawrence 9.632 15501 105 32.0 Sam Frushour , NSS Convention May-05
284 Borne aux Cassots France Jura Nevy-sur-Seile 9.631 15500 472 144.0 Jean-Yves Bigot 01/04
285 Big Bone Cave                     (Saltpeter) U.S.A. Tennessee Van Buren 9.627 15493 226 68.9 John Smyre Jun-84
286 Diros Cave Greece Peloponnese Laconia 9.569 15400 0 0.0 www.selas.org Oct-09
287 Leandras Cave U.S.A. Arizona Coconino 9.547 15364 378 115.1 map at park Headquarters via Greg e-mail Jun-13
288 Sistema de las Bernias Spain Burgos Lunada 9.532 15340 906 276.0 Clasificacion Por Desnivel Jul-04
289 Hang Vom Vietnam Quang Binh ? 9.513 15310 0 0.0 Peter MacNab e-mail Jul-13
290 Cueva de Alpazat Mexico Puebla   9.445 15200 0 0.0 http://www.amcs-pubs.org/longanddeep.html Nov-05
291 Kacna Cave (System) Slovenia Divaski Karst   9.433 15181 919 280.0 Longest & Deepest Caves of Slovenia Apr-15
292 Ariadne Cave System Hungary Pest megye Pilis mountain 9.383 15100 669 204.0 www.ariadneegyesulet.hu Jul-16
293 Sof Omar Holluca Ethiopia Bale Ityopya 9.383 15100 49 15.0 Atlas - Great Caves of the World 1989
294 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 1996
295 Reseau de Malissard France Isere / Savoie Chartreuse 9.321 15000 1362 415.0 Jean-Yves Bigot 01/04
296 Altherrenlabyrinth Austria Salzburg Tennengebirge 9.321 15000 1312 400.0 http://hoehle.org/laengste-tiefste Oct-16
297 Grotte de la Cigalere France Ariege Pyrenees 9.321 15000 748 228.0 Spelunca #56 (Not on the TIC List) 1995
298 Sistema Constantino Cuba Pinar del Rio ? 9.321 15000 0 0.0 WLCL  
299 Gratta Su Bentu - Sa Oche Italy Sardinia Nuoro 9.321 15000 0 0.0 http://www.Class.del.g.piulunghe/profon.d'Italia 1996
300 Cueva de la Lastrilla Spain Cantabria ? 9.321 15000 0 0.0 Clasificacion Por Desnivel Jul-04