WORLD LONGEST UNDERWATER CAVES Compiled by: Bob Gulden / QRSS - March 21, 2017
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
1 Sistema Ox Bel Ha Mexico Quintana Roo Tulum 167.878 270174 114 34.7 QRSS Long Caves List Dec-16
2 Sistema Sac Actun (Nohoch Nah Chich, Aktun Hu)     (Underwater) Mexico Quintana Roo Tulum 159.813 257194 332 101.2 QRSS Long Caves List Dec-16
2 Sistema K'oox Baal - Sistema Tux Kupaxa     (Underwater) Mexico Quintana Roo Tulum 56.166 90391 86 26.2 QRSS Long Caves List Dec-16
3 Sistema Dos Ojos Mexico Quintana Roo Tulum 51.760 83300 391 119.1 QRSS Long Caves List Dec-16
4 Wakulla-Leon Sinks Cave System U.S.A. Florida Leon/Wakulla 33.730 54283 350 106.7 Casey McKinlay e-mail Oct-15
4 Sistema Xunaan Ha     (Underwater) Mexico Quintana Roo Tulum 32.444 52214 89 27.1 QRSS Long Caves List Dec-16
5 Sistema Toh Ha (Underwater) Mexico Quintana Roo Tulum 29.249 47072 42 12.8 QRSS Long Caves List Dec-16
5 Sistema Pool Tunich (Underwater) Mexico Quintana Roo Xcaret 24.125 38825 79 24.0 QRSS Long Caves List Dec-16
6 Sistema Sand Crack (Underwater) Mexico Quintana Roo Tulum 16.619 26746 58 17.7 QRSS Long Caves List Dec-16
7 Sistema Nohoch Pek - Muk K'in (Underwater) Mexico Quintana Roo Tulum 15.634 25160 61 18.6 QRSS Long Caves List Dec-16
8 Beacon Woods - Waynes World System U.S.A. Florida Pasco 11.364 18289 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
9 Sistema Aerolito Mexico Quintana Roo Tulum 11.185 18000 0 0.0 AMCS May-05
10 Entrada Caapechen (Cenote Manatee) Mexico Quintana Roo Tulum 9.717 15638 114 34.7 QRSS Long Caves List Dec-16
10 Sistema Ponderosa     (Underwater) Mexico Quintana Roo Tulum 9.450 15209 67 20.4 QRSS Long Caves List Dec-16
11 Cathedral-Falmouth System U.S.A. Florida Suwannee 8.939 14386 190 57.9 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
12 Sistema Murena Aak Kimin Mexico Quintana Roo Tulum 8.866 14269 225 68.6 QRSS Long Caves List Dec-16
13 Sistema Dos Pisos Mexico Quintana Roo Tulum 8.809 14176 80 24.4 QRSS Long Caves List Dec-16
14 Pozo Azul Spain Burgos Covanera 8.448 13595 0 Igor Liorente e-mail; Aug-17
15 Cova de sa Gleda - Camp des Pou. Spain Balearics Manacor 8.389 13500 82 25.0 Gracia/Clamor/Gamundi Jan-16
16 Sistema Caterpillar Mexico Quintana Roo Felipe Carrillo Puerto 8.359 13452 89 27.1 QRSS Long Caves List Dec-16
17 Sistema Camilo Mexico Quintana Roo Tulum 8.352 13442 82 25.0 QRSS Long Caves List Dec-16
18 Old Bellamy (Derekson)(Santa Fe River Rise) Cave Sys. U.S.A. Florida Alachua 7.865 12657 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
19 Sistema Doggi Mexico Quintana Roo Felipe Carrillo Puerto 7.479 12036 48 14.6 QRSS Long Caves List Dec-16
20 Peacock Cave I-II System U.S.A. Florida Suwanee 7.200 11587 210 64.0 Richard Blackburn e-mail Jun-16
21 Cueva Quebrada Mexico Quintana Roo Tulum 7.180 11555 31 9.4 QRSS Long Caves List Dec-16
22 Entrada Boca Paila Mexico Quintana Roo Tulum 7.085 11402 88 26.8 QRSS Long Caves List Dec-16
23 Sistema Cupul Ha     (Underwater+Dry) Mexico Quintana Roo Tulum 6.964 11207 46 14.0 QRSS Long Caves List Dec-16
24 Sistema El Puente Mexico Quintana Roo Tulum 6.508 10474 296 90.2 QRSS Long Caves List Dec-16
25 Cenote Zapote Mexico Quintana Roo Tulum 6.413 10320 90 27.4 QRSS Long Caves List Dec-16
26 Sistema Sac Kai (Paachil Nah) Mexico Quintana Roo Tulum 6.253 10064 51 15.5 QRSS Long Caves List Dec-16
27 Sistema Muul Three Mexico Quintana Roo Tulum 6.247 10053 63 19.2 QRSS Long Caves List Dec-16
28 Sistema Ek Be Mexico Quintana Roo Tulum 6.155 9905 60 18.3 QRSS Long Caves List Dec-16
29 Sistema Nohoch Kai Mexico Quintana Roo Tulum 5.774 9292 85 25.9 QRSS Long Caves List Dec-16
30 Sistema Chac Mol Mexico Quintana Roo Tulum 5.712 9193 93 28.3 QRSS Long Caves List Dec-16
31 Lucayan Caverns Bahamas ? ? 5.705 9181 0 0.0 Exley, Caverns
32 Chip's Hole/Cals System (Pipeline) U.S.A. Florida Wakalla 5.610 9028 160 48.8 WKPP - Casey McKinlay e-mail Jul-16
33 Sistema Dzonot Took Mexico Quintana Roo Tulum 5.503 8857 54 16.5 QRSS Long Caves List Dec-16
34 Sistema Minotauro Mexico Quintana Roo Tulum 5.430 8739 55 16.8 QRSS Long Caves List Dec-16
35 Hole in the Wall(Rock Spring) Cave U.S.A. Florida Jackson 5.252 8452 139 42.4 Jason Richards Facebook Oct-16
36 Tank Cave Australia South Australia ? 4.993 8035 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
37 Madison Blue Spring U.S.A. Florida Madison 4.831 7775 120 36.6 Bruic Jun-16
38 Telford Springs U.S.A. Florida Suwanee 4.735 7620 72 21.9 Caves and Karst of Florida, 2008 NSS Convention Jul-16
39 School Sink U.S.A. Florida Pasco 4.598 7400 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
40 Devils Eye Cave System U.S.A. Florida Gilchrist 4.458 7174 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
41 Manatee Springs Cave System U.S.A. Florida Levy 4.427 7125 95 29.0 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
42 Hart Springs System U.S.A. Florida Gilchrist 4.303 6925 80 24.4 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
43 Entrada Boca Paila Mexico Quintana Roo Tulum 4.281 6890 88 26.8 QRSS Long Caves List Dec-16
44 Sistema Xel-Ha Norte Mexico Quintana Roo Tulum 4.133 6652 44 13.4 QRSS Long Caves List Dec-16
45 Grotta della Utopia Italy ? ? 4.117 6625 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
46 Three Island Cave Canada Quebec ? 4.078 6563 38 11.6 Ian McKenzie e-mail Jan-16
47 Cocklebiddy Cave (Under Water) Australia Western Australia Nullarbor Plain 4.039 6500 0 0.0 John e-mail Mar-16
48 Sistema Taj Mahal     (Underwater+Dry) Mexico Quintana Roo Tulum 4.016 6463 80 24.4 QRSS Long Caves List Dec-16
49 Bananeira Cave Brazil ? ? 3.977 6400 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
50 Cueva Aerolito Mexico Cozumel ? 3.791 6101 90 27.4 QRSS Jun-16
51 Cueva Aerolito Mexico Quintana Roo ? 3.790 6100 90 27.4 QRSS Long Caves List Dec-16
52 Dan's Cave Bahamas ? ? 3.789 6098 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
53 Bonnet Spring U.S.A. Florida Suwannee 3.788 6096 132 40.2 Caves and Karst of Florida, 2008 NSS Convention Jul-16
54 Blue Spring-Green Sink Cave System (Yana) U.S.A. Florida Lafayette 3.788 6096 60 18.3 Sheck Exley May-80
55 Doux de Coly France ? ? 3.759 6050 0 0.0 Die langsten Unterwasserholensysteme der Welt Sep-16
56 Sistema Joolis Mexico Quintana Roo Tulum 3.671 5908 66 20.1 QRSS Long Caves List Dec-16
57 Hornsby Spring Cave System U.S.A. Florida Alachua 3.651 5876 150 45.7 Sheck Exley May-80
58 Sistema Regina Mexico Quintana Roo Tulum 3.645 5866 117 35.7 QRSS Long Caves List Dec-16
59 Springs Cave, Jackson Blue U.S.A. Florida Jackson 3.465 5576 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab Jun-16
60 Cova des Coll Spain Balearics Manacor 3.436 5529 0 0.0 Gracia/Clamor/Watkinson Jan-16
61 Sistema Ah Kax Ha (Chicken Ranch) Mexico Quintana Roo Tulum 3.381 5441 87 26.5 Gibb, Rouquette-Cathaia, Knudsen, 09/2011 Dec-16
62 Sistema Actum Chen Mexico Quintana Roo Tulum 3.377 5435 82 25.0 QRSS Long Caves List Dec-16
63 Sistema Actun Koh Mexico Quintana Roo Tulum 3.204 5156 54 16.5 QRSS Long Caves List Dec-16
64 Sistema Cangrejo Mexico Quintana Roo Tulum 3.188 5131 70 21.3 QRSS Long Caves List Dec-16
65 Sistema Chi Keen Mexico Quintana Roo Tulum 3.102 4992 57 17.4 QRSS Long Caves List Dec-16
66 Cenote Tortuga Mexico Quintana Roo Tulum 3.064 4931 90 27.4 QRSS Long Caves List Dec-16
67 Sistema Pandora Mexico Quintana Roo Tulum 3.047 4903 71 21.6 QRSS Long Caves List Dec-16
68 Sistema Crustacea Mexico Quintana Roo Tulum 3.032 4879 84 25.6 QRSS Long Caves List Dec-16
69 Cenote Kan-Ha   Mexico Quintana Roo Tulum 2.847 4582 92 28.0 QRSS Long Caves List Dec-16
70 Giant Cave Belize ? ? 2.773 4463 108 32.9 Jim Coke (QRSS) May-16
71 Sistema Mosquito Factory Mexico Quintana Roo Tulum 2.669 4296 34 10.4 QRSS Long Caves List Dec-16
72 Sistema Vecan  Mexico Quintana Roo Tulum 2.625 4225 89 27.1 QRSS Long Caves List Dec-16
73 Cenote Chan Ayim Mexico Quintana Roo Tulum 2.618 4214 97 29.6 QRSS Long Caves List Dec-16
74 Sistema Tatich (Nuhuch Actum) Mexico Quintana Roo Tulum 2.582 4156 24 7.3 Gibb, Rouquette-Cathaia, 05/2011 Dec-16
75 Ka-Lag Dzonot Mexico Quintana Roo Tulum 2.538 4085 48 14.6 QRSS Long Caves List Dec-16
76 Sistema Kachkalak Mexico Quintana Roo Tulum 2.499 4022 44 13.4 QRSS Long Caves List Dec-16
77 Moinar Janos Cave Hungary Budapest ? 2.485 4000 236 72.0 Tibor Tihanyi e-mail Jun-16
78 Cenote Burrodromo Mexico Quintana Roo Tulum 2.462 3962 47 14.3 QRSS Long Caves List Dec-16
79 Cow Crap Cave (Under Water) U.S.A. Tennessee Rutherford 2.437 3922 144 43.9 Jason Richards e-mail Aug-17
80 Gervais Cave Canada Ontario ? 2.428 3907 30 9.1 Ian McKenzie e-mail Jan-16
81 Natural Bridge System, St Marks U.S.A. Florida Wakalla 2.293 3690 110 33.5 WKPP - Casey McKinlay e-mail Jul-16
82 Sistem Ich Tunich Mexico Quintana Roo Tulum 2.278 3666 54 16.5 QRSS Long Caves List Dec-16
83 Indian Spring (Creek) Cave U.S.A. Florida Wakalla 2.253 3626 160 48.8 Caves and Karst of Florida, 2008 NSS Convention Jul-16
84 Sistema Dos Pies Mexico Quintana Roo Tulum 2.185 3516 43 13.1 QRSS Long Caves List Dec-16
85 Oliero Spring Italy ? ? 2.175 3500 0 0.0 Apr-17
86 Sistema Sak' Sak"   Mexico Quintana Roo Tulum 2.111 3398 51 15.5 QRSS Long Caves List Dec-16
87 Sistema Ramon Mexico Quintana Roo Tulum 2.098 3376 104 31.7 QRSS Long Caves List Dec-16
88 Sistema Ich Tun Three Mexico Quintana Roo Tulum 2.064 3322 37 11.3 QRSS Long Caves List Dec-16
89 Sistema Alomo-Colmena      Mexico Quintana Roo Tulum 2.056 3309 32 9.8 QRSS Long Caves List Dec-16
90 Jasper Blue Spring U.S.A. Tennessee Marion 2.051 3301 144 43.9 Jason Richards e-mail Mar-16
91 Sistema Carwash Mexico Quintana Roo Tulum 2.008 3232 87 26.5 QRSS Long Caves List Dec-16
92 M2 Blue U.S.A. Florida Madison 2.003 3224 147 44.8 NSS News V50N4P94 Not on Fla. Long cave list Apr-92
93 Ordinskaya Cave (Gypsum) Russia Perm Region Orda District 1.988 3200 164 50.0 Ulyana Zhakova e-mail Mar-16
94 Phantom Springs Cave U.S.A. Texas Jeff Davis 1.948 3135 493 150.3 Texas Speleological Survey via Jerry Atkinson e-mail Jan-16
95 Sistema Choko Pek Mexico Quintana Roo Tulum 1.943 3127 48 14.6 QRSS Long Caves List Dec-16
96 Sistema Luna Azul Mexico Quintana Roo Tulum 1.928 3103 71 21.6 QRSS Long Caves List Dec-16
97 Weeki Wachee Spring U.S.A. Florida Hernando 1.894 3048 407 124.1 Caves and Karst of Florida, 2008 NSS Convention Jul-16
98 Lake Tarpon-Tarpon Springs System U.S.A. Florida Pinellas 1.894 3048 170 51.8 Caves and Karst of Florida, 2008 NSS Convention Jul-16
99 Sistema Chac Bromelia Mexico Quintana Roo Tulum 1.802 2900 58 17.7 QRSS Long Caves List Dec-16
100 Sistema Miguel Mexico Quintana Roo Tulum 1.760 2832 60 18.3 QRSS Long Caves List Dec-16
101 Cenote Subul Mexico Quintana Roo Tulum 1.754 2823 49 14.9 QRSS Long Caves List Dec-16
102 Burnabbie Cave Australia Western Australia Nullarbor Plain 1.709 2750 0 0.0 Paul Hosie via OZCavers mailing list Jan-16
103 Vrulja Modric Croatia 1.706 2746 118 36.0 Mladen Garasic e-mail Jan-16
104 Cenote Crocodrilo Mexico Cozumel ? 1.549 2493 57 17.4 Jim Coke e-mail Jan-16
105 Cenote Crocodrilo Mexico Cozumel ? 1.549 2493 57 17.4 Jim Coke e-mail Jan-16
106 Cenote Cocodrilo Mexico Quintana Roo Tulum 1.549 2493 57 17.4 QRSS Long Caves List Dec-16
107 Twin Caves U.S.A. Florida Jackson 1.540 2478 104 31.7 Rob Neto e-mail Aug-17
108 Source de Bestouan France ? ? 1.529 2461 0 0.0 UWS V18N6 Jun-16
109 Sistema Zebra Mexico Quintana Roo Tulum 1.518 2443 58 17.7 QRSS Long Caves List Dec-16
110 Sistema Casa del Jaguar     (Underwater) Mexico Quintana Roo Tulum 1.503 2419 29 8.8 QRSS Long Caves List Dec-16
111 Peacock III Cave Syphon U.S.A. Florida Suwannee 1.466 2359 210 64.0 M.Poucher Jun-16
112 Covol del Veci Italy ? ? 1.455 2342 0 0.0 UWS V18N6 Jun-16
113 Cenote Pepem Actun Mexico Quintana Roo Tulum 1.389 2236 89 27.1 QRSS Long Caves List Dec-16
114 Cenote Chi Chan K'uk'um Mexico Quintana Roo Tulum 1.387 2232 44 13.4 QRSS Long Caves List Dec-16
115 Cenote Sole (Sunscape) Mexico Quintana Roo Tulum 1.381 2223 33 10.1 QRSS Long Caves List Dec-16
116 Sistema Rudy Sanchez Mexico Quintana Roo Tulum 1.370 2205 61 18.6 QRSS Long Caves List Dec-16
117 Sally Ward Cave U.S.A. Florida Wakulla 1.364 2195 350 106.7 Caves and Karst of Florida, 2008 NSS Convention Jul-16
118 Lineeater (Stevenson Spring) U.S.A. Florida Hamilton 1.364 2195 60 18.3 Bryant, et.al. Jun-16
119 Roubidoux Spring U.S.A. Missouri Pulaski 1.352 2176 266 81.1 Steve Gridley e-mail Oct-15
120 Sistema Chakalal Mexico Quintana Roo Tulum 1.348 2170 22 6.7 QRSS Long Caves List Dec-16
121 Cenote Kiix Pepem Mexico Quintana Roo Tulum 1.343 2162 44 13.4 QRSS Long Caves List Dec-16
122 Sistema Carrillo Mexico Quintana Roo Tulum 1.332 2144 26 7.9 QRSS Long Caves List Dec-16
123 Sistema Muuch Mexico Quintana Roo Tulum 1.322 2128 18 5.5 QRSS Long Caves List Dec-16
124 Sistema Muuch Mexico Quintana Roo Tulum 1.322 2128 18 5.5 QRSS Long Caves List Dec-16
125 Mirial Libya Cyrenaical Banghazi 1.315 2117 0 0.0 Atlas Great Caves of the World Jun-17
126 Sistema Sac Pepem (Underwater) Mexico Quintana Roo Tulum 1.279 2059 47 14.3 QRSS Long Caves List Dec-16
127 Sistema Swan Lake Mexico Quintana Roo Tulum 1.257 2023 49 14.9 QRSS Long Caves List Dec-16
128 Emergence du Ressell France ? ? 1.243 2000 265 80.8 Buchaly, Waldbrener Jun-16
129 Laguna Nonec Mexico Quintana Roo Tulum 1.243 2000 35 10.7 QRSS Long Caves List Dec-16
130 Sistema Yang kai Mexico Quintana Roo Tulum 1.224 1970 69 21.0 QRSS Long Caves List Dec-16
131 Leopard Frog Cave Canada ? ? 1.222 1966 0 0.0 Steve Worthington e-mail May-16
132 Cenote Tu cud'tang Che Mexico Quintana Roo Tulum 1.183 1904 69 21.0 QRSS Long Caves List Dec-16
133 Sistema Ixchel (underwater) Mexico Quintana Roo Solidaridad 1.173 1887 220 67.0 QRSS Long Caves List Dec-16
134 Sistema Domingos Mexico Quintana Roo Tulum 1.158 1863 38 11.6 QRSS Long Caves List Dec-16
135 Sistema Chico Upstream (Spring) Mexico Quintana Roo Tulum 1.156 1861 59 18.0 QRSS Long Caves List Dec-16
136 Eagles Nest U.S.A. Florida Hernando 1.136 1828 315 96.0 Caves and Karst of Florida, 2008 NSS Convention Jul-16
137 Ellaville-Suwannacoochee System U.S.A. Florida Suwannee 1.136 1828 155 47.2 Caves and Karst of Florida, 2008 NSS Convention Jul-16
138 Washington Blue Spring U.S.A. Florida Washington 1.136 1828 0 0.0 Caves and Karst of Florida, 2008 NSS Convention Jul-16
139 Bozel Spring U.S.A. Florida Jackson 1.080 1738 120 36.6 Rob Neto e-mail Aug-17
140 Sistema Vanilla Mexico Quintana Roo Tulum 1.074 1728 38 11.6 QRSS Long Caves List Dec-16
141 Wet Dream Cave Canada British Columbia Vancouver Island 1.073 1727 148 45.1 Jason Richards e-mail Aug-17
142 Cueva de La Atlantida (Tunnel ) (Lava Tube) Spain Canarias Island Lanzarote 1.072 1726 171 52.1 Grupo de Espeleologia Tebexcorade Apr-17
143 Sistema Heder Mexico Quintana Roo Tulum 1.065 1714 80 24.4 QRSS Long Caves List Dec-16
144 Guy James Cave U.S.A. Tennessee Rutherford 1.061 1708 42 12.8 Jason Richards e-mail Jan-16
145 Sistema Flor de Mayo (Underwater) Mexico Quintana Roo Tulum 1.056 1700 66 20.1 QRSS Long Caves List Dec-16
146 Sistema Yax Tun Mexico Quintana Roo Tulum 1.056 1699 59 18.0 QRSS Long Caves List Dec-16
147 Cenote Templo  Mexico Quintana Roo Tulum 1.044 1680 69 21.0 QRSS Long Caves List Dec-16
148 Sistema Guerreros Sump Mexico Quintana Roo Tulum 1.043 1679 21 6.4 QRSS Long Caves List Dec-16
149 Twin Spring Cave U.S.A. Florida Jackson 1.043 1679 102 31.1 Caves and Karst of Florida, 2008 NSS Convention Jul-16
150 Source de Port Miou France ? ? 1.038 1670 0 0.0 UWS V18N6 Jun-16
151 Cenote Hatzutz Actun Mexico Quintana Roo Tulum 1.028 1655 77 23.5 QRSS Long Caves List Dec-16
152 Sistema Las Ninas   Mexico Quintana Roo Tulum 1.006 1619 40 12.2 QRSS Long Caves List Dec-16
153 Sistema Uxuxubi     Mexico Quintana Roo Tulum 1.002 1612 51 15.5 QRSS Long Caves List Dec-16
154 Blue Hole Spring U.S.A. Florida Jackson 1.000 1609 0 0.0 Caves and Karst of Florida, 2008 NSS Convention Jul-16
155 Sistema Umberto Mexico Quintana Roo Tulum 0.982 1581 36 11.0 QRSS Long Caves List Dec-16
156 Sistema Misterio Maya Mexico Quintana Roo Tulum 0.961 1547 37 11.3 QRSS Long Caves List Dec-16
157 Sistema Box Pck Sac Yo'ok Mexico Quintana Roo Tulum 0.936 1506 76 23.2 QRSS Long Caves List Dec-16
158 Sistema Four Twenty Mexico Quintana Roo Tulum 0.905 1457 47 14.3 QRSS Long Caves List Dec-16
159 Sistema X"tabay Mexico Quintana Roo Tulum 0.866 1394 45 13.7 QRSS Long Caves List Dec-16
160 Jacop's Well U.S.A. Texas Hays 0.822 1323 137 41.8 Gregg Tatum for JWEP email Oct-16
161 Cenote Ts"unu"un Mexico Quintana Roo Tulum 0.819 1318 15 4.6 QRSS Long Caves List Dec-16
162 Sistema Sueno Mexico Quintana Roo Tulum 0.815 1312 26 7.9 QRSS Long Caves List Dec-16
163 Sistema X-pu Ha Mexico Quintana Roo Tulum 0.803 1292 32 9.8 QRSS Long Caves List Dec-16
164 Sistema Taninah East Mexico Quintana Roo Tulum 0.779 1254 15 4.6 QRSS Long Caves List Dec-16
165 Cenote Gypsy Juice Mexico Quintana Roo Tulum 0.775 1247 66 20.1 QRSS Long Caves List Dec-16
166 Sistema Valet Mexico Quintana Roo Tulum 0.774 1246 28 8.5 QRSS Long Caves List Dec-16
167 Sistema El Punto Mexico Quintana Roo Tulum 0.756 1216 29 8.8 QRSS Long Caves List Dec-16
168 Sistema Akab Ha (Cenote SLSH) Mexico Quintana Roo Tulum 0.751 1208 34 10.4 QRSS Long Caves List Dec-16
169 Sistema Ursus Mexico Quintana Roo Tulum 0.716 1153 92 28.0 QRSS Long Caves List Dec-16
170 Goodenough Spring U.S.A. Texas Val Verde 0.111 179 377 114.9 Texas Speleological Survey via Jerry Atkinson e-mail Jan-16
171 Hranicka Propast Czech Rep. 0.000 0 1325 404.0 article Oct-16