WORLD LONGEST UNDERWATER CAVES Compiled by: Bob Gulden / Jim Coke (QRSS) - OCT.11, 2018
Send updates and corrections to caverbob@aol.com
The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com Copyright 2018 NSS Geo2, Bob Gulden NSS#13188LF
Do not ask for cave locations, I will not give them out.
LENGTH LENGTH DEPTH DEPTH
# COUNTRY STATE COUNTY MILES METERS FEET METERS SOURCE DATE
1 Mexico Quintana Roo Tulum 58.454 94072 86 26.2 QRSS Long Caves List 10/18
2 Mexico Quintana Roo Tulum 37.559 60445 89 27.1 QRSS Long Caves List 10/18
3 U.S.A. Florida Leon/Wakulla 33.760 54331 350 106.7 Casey McKinlay e-mail 10/17
4 Mexico Quintana Roo Tulum 29.249 47072 42 12.8 QRSS Long Caves List 10/18
5 Mexico Quintana Roo Tulum 16.619 26746 58 17.7 QRSS Long Caves List 10/18
6 Mexico Quintana Roo Tulum 15.634 25160 61 18.6 QRSS Long Caves List 10/18
7 U.S.A. Florida Pasco 11.364 18289 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
8 U.S.A. Florida Suwannee 11.199 18023 190 57.9 Casey McKinlay e-mail 10/17
9 Mexico Quintana Roo Tulum 9.717 15638 92 28.0 QRSS Long Caves List 10/18
10 U.S.A. Florida Jackson 9.591 15436 98 30.5 Ben Martinez e-mail 04/18
11 Mexico Quintana Roo Tulum 8.866 14269 225 68.6 QRSS Long Caves List 10/18
12 Mexico Quintana Roo Tulum 8.809 14176 80 24.4 QRSS Long Caves List 10/18
13 Mexico Quintana Roo Felipe Carrillo Puerto 8.504 13686 48 14.6 QRSS Long Caves List 10/18
14 Spain Burgos Covanera 8.448 13595 0 0.0 Igor Liorente e-mail; 08/16
15 Spain Balearics Manacor 8.389 13500 82 25.0 Gracia/Clamor/Gamundi 01/16
16 Mexico Quintana Roo Felipe Carrillo Puerto 8.359 13452 89 27.1 QRSS Long Caves List 10/18
17 Mexico Quintana Roo Tulum 8.352 13442 82 25.0 QRSS Long Caves List 10/18
18 U.S.A. Florida Alachua 7.865 12657 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
19 Mexico Quintana Roo Tulum 7.360 11844 51 15.5 QRSS Long Caves List 10/18
20 U.S.A. Florida Suwanee 7.241 11653 72 21.9 Andy Higgie e-mail 02/18
21 U.S.A. Florida Suwanee 7.200 11587 210 64.0 Richard Blackburn e-mail 06/16
22 Mexico Quintana Roo Tulum 7.180 11555 31 9.4 QRSS Long Caves List 10/18
23 Mexico Quintana Roo Tulum 7.085 11402 88 26.8 QRSS Long Caves List 10/18
24 Mexico Quintana Roo Tulum 7.064 11369 46 14.0 QRSS Long Caves List 10/18
25 Mexico Quintana Roo Tulum 6.930 11152 46 14.0 QRSS Long Caves List 10/18
26 Mexico Quintana Roo Tulum 6.508 10474 296 90.2 QRSS Long Caves List 10/18
27 Mexico Quintana Roo Tulum 6.413 10320 90 27.4 QRSS Long Caves List 10/18
28 Mexico Quintana Roo Tulum 6.272 10094 80 24.4 QRSS Long Caves List 10/18
29 Mexico Quintana Roo Tulum 6.247 10053 63 19.2 QRSS Long Caves List 10/18
30 U.S.A. Florida Wakalla 6.240 10042 200 61.0 WKPP - Casey McKinlay e-mail 10/17
31 Mexico Quintana Roo Tulum 6.155 9905 60 18.3 QRSS Long Caves List 10/18
32 U.S.A. Florida Jackson 5.780 9302 139 42.4 Jason Richards Facebook 05/17
33 Mexico Quintana Roo Tulum 5.712 9193 93 28.3 QRSS Long Caves List 10/18
34 Bahamas - - 5.705 9181 0 0.0 Exley, Caverns -
35 Mexico Quintana Roo Tulum 5.430 8739 55 16.8 QRSS Long Caves List 10/18
36 Mexico Quintana Roo Tulum 5.121 8242 74 22.6 QRSS Long Caves List 10/18
37 Australia South Australia - 4.993 8035 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
38 U.S.A. Florida Madison 4.831 7775 120 36.6 Bruic 06/16
39 U.S.A. Florida Pasco 4.598 7400 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
40 U.S.A. Florida Gilchrist 4.458 7174 160 48.8 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
41 U.S.A. Florida Levy 4.427 7125 95 29.0 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
42 Mexico Quintana Roo Tulum 4.402 7084 47 14.3 QRSS Long Caves List 10/18
43 U.S.A. Florida Gilchrist 4.303 6925 80 24.4 Die langsten Unterwasserhohlensysteme der welt, Oliver Knab 06/16
44 Mexico Quintana Roo Tulum 4.134 6653 87 26.5 QRSS Long Caves List 10/18
45 Mexico Quintana Roo Tulum 4.133 6652 44 13.4 QRSS Long Caves List 10/18
46 Italy - - 4.117 6625 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
47 Canada Quebec - 4.078 6563 38 11.6 Ian McKenzie e-mail 01/16
48 Australia Western Australia Nullarbor Plain 4.039 6500 0 0.0 John e-mail 03/16
49 Brazil - - 3.977 6400 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
50 Mexico Cozumel - 3.791 6101 90 27.4 QRSS 06/16
51 Mexico Quintana Roo - 3.790 6100 90 27.4 QRSS Long Caves List 10/18
52 Bahamas - - 3.789 6098 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
53 U.S.A. Florida Suwannee 3.788 6096 132 40.2 Caves and Karst of Florida, 2008 NSS Convention 07/16
54 U.S.A. Florida Lafayette 3.788 6096 60 18.3 Sheck Exley 05/80
55 France - - 3.759 6050 0 0.0 Die langsten Unterwasserholensysteme der Welt 09/16
56 Mexico Quintana Roo Tulum 3.708 5968 82 25.0 QRSS Long Caves List 10/18
57 Mexico Quintana Roo Tulum 3.671 5908 66 20.1 QRSS Long Caves List 10/18
58 U.S.A. Florida Alachua 3.651 5876 150 45.7 Sheck Exley 05/80
59 Mexico Quintana Roo Tulum 3.645 5866 117 35.7 Gibb, Rouquette-Cathaia, Knudsen, 09/2011 10/18
60 Mexico Quintana Roo Tulum 3.578 5758 3510 1070.0 QRSS Long Caves List 10/18
61 Spain Balearics Manacor 3.436 5529 0 0.0 Gracia/Clamor/Watkinson 01/16
62 Mexico Quintana Roo Tulum 3.377 5435 82 25.0 QRSS Long Caves List 10/18
63 Mexico Quintana Roo Tulum 3.204 5156 54 16.5 QRSS Long Caves List 10/18
64 Mexico Quintana Roo Tulum 3.188 5131 70 21.3 QRSS Long Caves List 10/18
65 Mexico Quintana Roo Tulum 3.102 4992 57 17.4 QRSS Long Caves List 10/18
66 Mexico Quintana Roo Tulum 3.064 4931 90 27.4 QRSS Long Caves List 10/18
67 Mexico Puebla Ocotempa 3.056 4918 4022 1226.0 QRSS Long Caves List 10/18
68 Mexico Quintana Roo Tulum 3.056 4918 89 27.1 QRSS Long Caves List 10/18
69 Mexico Quintana Roo Tulum 3.032 4879 84 25.6 QRSS Long Caves List 10/18
70 Mexico Quintana Roo Tulum 2.888 4647 67 20.4 Gibb, Rouquette-Cathaia, 05/2011 10/18
71 Mexico Quintana Roo Tulum 2.847 4582 92 28.0 QRSS Long Caves List 10/18
72 Belize - - 2.773 4463 108 32.9 Jim Coke (QRSS) 05/16
73 Mexico Quintana Roo Tulum 2.669 4296 34 10.4 QRSS Long Caves List 10/18
74 Mexico Quintana Roo Tulum 2.618 4214 97 29.6 QRSS Long Caves List 10/18
75 Mexico Quintana Roo Tulum 2.582 4156 48 14.6 QRSS Long Caves List 10/18
76 Mexico Quintana Roo Tulum 2.582 4156 24 7.3 QRSS Long Caves List 10/18
77 Mexico Quintana Roo Tulum 2.499 4022 24 7.3 QRSS Long Caves List 10/18
78 Hungary Budapest - 2.485 4000 236 72.0 Tibor Tihanyi e-mail 06/16
79 Mexico Quintana Roo Tulum 2.474 3982 52 15.8 QRSS Long Caves List 10/18
80 Mexico Quintana Roo Tulum 2.462 3962 47 14.3 QRSS Long Caves List 10/18
81 U.S.A. Tennessee Rutherford 2.437 3922 144 43.9 Jason Richards e-mail 08/16
82 Canada Ontario - 2.428 3907 30 9.1 Ian McKenzie e-mail 01/16
83 U.S.A. Florida Wakalla 2.293 3690 110 33.5 WKPP - Casey McKinlay e-mail 07/16
84 Mexico Quintana Roo Tulum 2.277 3665 54 16.5 QRSS Long Caves List 10/18
85 U.S.A. Florida Wakalla 2.253 3626 160 48.8 Caves and Karst of Florida, 2008 NSS Convention 07/16
86 Mexico Quintana Roo Tulum 2.187 3520 71 21.6 QRSS Long Caves List 10/18
87 Mexico Quintana Roo Tulum 2.185 3516 43 13.1 QRSS Long Caves List 10/18
88 Italy - - 2.175 3500 0 0.0 - 04/17
89 U.S.A. Missouri Pulaski 2.132 3431 266 81.1 NSS News V75N6P16 06/17
90 Mexico Quintana Roo Tulum 2.112 3399 51 15.5 QRSS Long Caves List 10/18
91 Mexico Quintana Roo Tulum 2.108 3393 48 14.6 QRSS Long Caves List 10/18
92 Mexico Quintana Roo Tulum 2.098 3376 104 31.7 QRSS Long Caves List 10/18
93 Mexico Quintana Roo Tulum 2.056 3309 32 9.8 QRSS Long Caves List 10/18
94 U.S.A. Tennessee Marion 2.051 3301 144 43.9 Jason Richards e-mail 03/16
95 Mexico Quintana Roo Tulum 2.008 3232 87 26.5 QRSS Long Caves List 10/18
96 U.S.A. Florida Madison 2.003 3224 147 44.8 NSS News V50N4P94 Not on Fla. Long cave list 04/92
97 Russia Perm Region Orda District 1.988 3200 164 50.0 Ulyana Zhakova e-mail 03/16
98 U.S.A. Texas Jeff Davis 1.948 3135 493 150.3 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
99 U.S.A. Florida Hernando 1.894 3048 407 124.1 Caves and Karst of Florida, 2008 NSS Convention 07/16
100 U.S.A. Florida Pinellas 1.894 3048 170 51.8 Caves and Karst of Florida, 2008 NSS Convention 07/16
101 Mexico Quintana Roo Tulum 1.802 2900 58 17.7 QRSS Long Caves List 10/18
102 Mexico Quintana Roo Tulum 1.760 2832 60 18.3 QRSS Long Caves List 10/18
103 Mexico Quintana Roo Tulum 1.754 2823 49 14.9 QRSS Long Caves List 10/18
104 Australia Western Australia Nullarbor Plain 1.709 2750 0 0.0 Paul Hosie via OZCavers mailing list 01/16
105 Croatia - - 1.706 2746 118 36.0 Mladen Garasic e-mail 01/16
106 Mexico Cozumel - 1.549 2493 57 17.4 Jim Coke e-mail 01/16
107 Mexico Cozumel - 1.549 2493 57 17.4 Jim Coke e-mail 01/16
108 Mexico Quintana Roo Tulum 1.549 2493 57 17.3 QRSS Long Caves List 10/18
109 U.S.A. Florida Jackson 1.540 2478 104 31.7 Rob Neto e-mail 08/16
110 Mexico Quintana Roo Tulum 1.534 2468 29 8.8 QRSS Long Caves List 10/18
111 France - - 1.529 2461 0 0.0 UWS V18N6 06/16
112 Mexico Quintana Roo Tulum 1.518 2443 58 17.7 QRSS Long Caves List 10/18
113 Mexico Quintana Roo Tulum 1.498 2411 66 20.1 QRSS Long Caves List 10/18
114 U.S.A. Florida Suwannee 1.466 2359 210 64.0 M.Poucher 06/16
115 Mexico Quintana Roo Tulum 1.460 2349 61 18.6 QRSS Long Caves List 10/18
116 Mexico Quintana Roo Tulum 1.456 2343 49 14.9 QRSS Long Caves List 10/18
117 Italy - - 1.455 2342 0 0.0 UWS V18N6 06/16
118 Mexico Quintana Roo Tulum 1.389 2236 89 27.1 QRSS Long Caves List 10/18
119 Mexico Quintana Roo Tulum 1.387 2232 44 13.4 QRSS Long Caves List 10/18
120 Mexico Quintana Roo Tulum 1.381 2223 33 10.1 QRSS Long Caves List 10/18
121 Mexico Quintana Roo Tulum 1.370 2205 61 18.6 QRSS Long Caves List 10/18
122 U.S.A. Florida Wakulla 1.364 2195 350 106.7 Caves and Karst of Florida, 2008 NSS Convention 07/16
123 U.S.A. Florida Hamilton 1.364 2195 60 18.3 Bryant, et.al. 06/16
124 Mexico Quintana Roo Tulum 1.348 2170 22 6.7 QRSS Long Caves List 10/18
125 Mexico Quintana Roo Tulum 1.332 2144 26 7.9 QRSS Long Caves List 10/18
126 Sweden 1.327 2135 0 0.0 Micke Tilja 2016
127 Mexico Quintana Roo Tulum 1.322 2128 18 5.5 QRSS Long Caves List 10/18
128 Mexico Quintana Roo Tulum 1.317 2120 44 13.4 QRSS Long Caves List 10/18
129 Libya Cyrenaical Banghazi 1.315 2117 233 71.0 Atlas Great Caves of the World 06/17
130 Mexico Quintana Roo Tulum 1.287 2071 53 16.2 QRSS Long Caves List 10/18
131 Mexico Quintana Roo Tulum 1.278 2056 38 11.6 QRSS Long Caves List 10/18
132 Mexico Quintana Roo Solidaridad 1.264 2034 220 67.0 QRSS Long Caves List 10/18
133 France - - 1.243 2000 265 80.8 Buchaly, Waldbrener 06/16
134 Mexico Quintana Roo Tulum 1.243 2000 35 10.7 QRSS Long Caves List 10/18
135 Mexico Quintana Roo Tulum 1.230 1980 69 21.0 QRSS Long Caves List 10/18
136 Mexico Quintana Roo Tulum 1.224 1970 69 21.0 QRSS Long Caves List 10/18
137 Mexico Quintana Roo Tulum 1.224 1970 69 21.0 QRSS Long Caves List 10/18
138 Canada - - 1.222 1966 0 0.0 Steve Worthington e-mail 05/16
139 Mexico Quintana Roo Tulum 1.183 1904 69 21.0 QRSS Long Caves List 10/18
140 Mexico Quintana Roo Tulum 1.158 1863 38 11.6 QRSS Long Caves List 10/18
141 Mexico Quintana Roo Tulum 1.156 1861 59 18.0 QRSS Long Caves List 10/18
142 U.S.A. Florida Hernando 1.136 1828 315 96.0 Caves and Karst of Florida, 2008 NSS Convention 07/16
143 U.S.A. Florida Suwannee 1.136 1828 155 47.2 Caves and Karst of Florida, 2008 NSS Convention 07/16
144 U.S.A. Florida Washington 1.136 1828 0 0.0 Caves and Karst of Florida, 2008 NSS Convention 07/16
145 U.S.A. Florida Jackson 1.080 1738 120 36.6 Rob Neto e-mail 08/16
146 Mexico Quintana Roo Tulum 1.074 1728 38 11.6 QRSS Long Caves List 10/18
147 Canada British Columbia Vancouver Island 1.073 1727 148 45.1 Jason Richards e-mail 08/16
148 Spain Canarias Island Lanzarote 1.072 1726 171 52.1 Grupo de Espeleologia Tebexcorade 04/17
149 Mexico Quintana Roo Tulum 1.065 1714 80 24.4 QRSS Long Caves List 10/18
150 U.S.A. Tennessee Rutherford 1.061 1708 42 12.8 Jason Richards e-mail 01/16
151 Mexico Quintana Roo Tulum 1.056 1699 59 18.0 QRSS Long Caves List 10/18
152 Mexico Quintana Roo Tulum 1.044 1680 69 21.0 QRSS Long Caves List 10/18
153 Mexico Quintana Roo Tulum 1.043 1679 21 6.4 QRSS Long Caves List 10/18
154 U.S.A. Florida Jackson 1.043 1679 102 31.1 Caves and Karst of Florida, 2008 NSS Convention 07/16
155 France - - 1.038 1670 0 0.0 UWS V18N6 06/16
156 Mexico Quintana Roo Tulum 1.006 1619 40 12.2 QRSS Long Caves List 10/18
157 Mexico Quintana Roo Tulum 1.002 1612 51 15.5 QRSS Long Caves List 10/18
158 U.S.A. Florida Jackson 1.000 1609 0 0.0 Caves and Karst of Florida, 2008 NSS Convention 07/16
159 Mexico Quintana Roo Tulum 0.995 1601 84 25.6 QRSS Long Caves List 10/18
160 Mexico Quintana Roo Tulum 0.982 1581 36 11.0 QRSS Long Caves List 10/18
161 Mexico Quintana Roo Tulum 0.936 1506 76 23.2 QRSS Long Caves List 10/18
162 U.S.A. Texas Hays 0.822 1323 137 41.8 Gregg Tatum for JWEP email 10/16
163 U.S.A. Texas Val Verde 0.111 179 377 114.9 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
164 Czech Rep. - - 0.000 0 1325 404.0 article 10/16