WORLD LONGEST UNDERWATER CAVES   Compiled by: Bob Gulden - April 10, 2008
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The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com/home.htm            Copyright 2008 NSS Geo2, Bob Gulden NSS#13188LF
LENGTH LENGTH DEPTH DEPTH
# CAVE  NAME COUNTRY STATE COUNTY MILES METERS FEET METERS SOURCE DATE
1 Sistema Ox Bel Ha               (Under Water) Mexico Quintana Roo Solidaridad 105.593 169935 110 33.5 www.caves.org/project/qrss/qrlong.htm 11/7
2 Sistema Sac Actun (Nohoch Nah Chich)     (Under Water) Mexico Quintana Roo Solidaridad 97.886 157533 235 71.6 www.caves.org/project/qrss/qrlong.htm 8/7
3 Sistema Dos Ojos                 (Under Water) Mexico Quintana Roo Solidaridad 35.892 57762 391 119.1 www.caves.org/project/qrss/qrlong.htm 9/7
4 Wakulla-Leon Sinks Cave System          (Under Water) U.S.A. Florida Leon/Wakulla 28.030 45110 325 99.1 WKPP 7/7
5 Sistema Toh Ha               Mexico Quintana Roo Solidaridad 14.239 22915 42 12.8 QRSS via Jim Coke e-mail 2/8
6 Sistema Naranjal (Najaron-Maya Blue)  Mexico Quintana Roo Solidaridad 14.002 22534 114 34.7 QRSS via Jim Coke e-mail 2/8
5 Sistema K'oox Baal              (Under Water) Mexico Quintana Roo Solidaridad 11.917 19178 86 26.2 QRSS via Jim Coke e-mail 6/7
6 Sistema Actun Hu               Mexico Quintana Roo Solidaridad 10.913 17563 197 60.0 QRSS via Jim Coke e-mail 2/8
7 Sistema Ponderosa               (Under Water) Mexico Quintana Roo Solidaridad 9.332 15019 54 16.4 QRSS via Jim Coke e-mail 01/01
8 Cathedral-Falmouth System       (Under Water) U.S.A. Florida Suwannee 7.769 12503 190 57.9 WKPP - Casey McKinlay e-mail 7/7
9 Old Bellamy (Derekson)(Santa Fe River Rise) Cave Sys. (Under Water) U.S.A. Florida Alachua 7.386 11887 160 48.8 Albert Krause e-mail 10/7
10 Cova de sa Gleda   (Under Water) Spain Balearics Manacor 6.524 10500 82 25.0 Tony Merino e-mail 1/7
11 Sistema Carrillo                (Under Water) Mexico Quintana Roo Solidaridad 5.996 9649 70 21.3 QRSS via Jim Coke e-mail 1/7
12 Sistema Muul 3             (Under Water) Mexico Quintana Roo Solidaridad 5.983 9629 63 19.2 QRSS via Jim Coke e-mail 9/5
13 Sisema Chac Mool                (Under Water) Mexico Quintana Roo Solidaridad 5.712 9193 93 28.3 Gerrard 2000
14 Lucayan Caverns                 (Under Water) Bahamas ? ? 5.705 9181 0 0.0 Exley, Caverns
15 Cueva Quebrada                  (Under Water) Mexico Cozumel ? 5.593 9001 35 10.7 QRSS 2003
16 Madison Blue Spring             (Under Water) U.S.A. Florida Madison 4.831 7775 120 36.6 Bruic 1997
17 Cenote Zapote                   (Under Water) Mexico Quintana Roo Solidaridad 4.783 7697 90 27.4 QRSS via Jim Coke e-mail 1/7
18 Telford Springs                 (Under Water) U.S.A. Florida Suwanee 4.735 7620 72 21.9 Ken Sallot e-mail (Lamar Hires) 06/98
19 School Sink (Waynes World)      (Under Water) U.S.A. Florida Pasco 4.598 7400 160 48.8 Ken Sallot e-mail (Mike Garmen) 06/98
20 Peacock Cave                    (Under Water) U.S.A. Florida Suwanee 4.259 6854 210 64.0 M.Poucher e-mail 1996
21 Pipeline System (Chip's/Cal's)  (Under Water) U.S.A. Florida Wakalla 4.222 6795 306 93.3 WKPP - Casey McKinlay e-mail 7/7
22 Sistema Xel-Ha Norte        (Under Water) Mexico Quintana Roo Solidaridad 4.133 6652 44 13.4 QRSS via Jim Coke e-mail 1/7
23 Three Island Cave               (Under Water) Canada Quebec ? 4.078 6563 38 11.6 Ian McKenzie e-mail 1/6
24 Cocklebiddy Cave  (Under Water) Australia Western Australia Nullarbor Plain 4.039 6500 0 0.0 John e-mail 3/8
25 Cueva Aerolito                  (Under Water) Mexico Cozumel ? 3.791 6101 90 27.4 QRSS 2003
26 Entrada Caapechen  (Cenote Manatee)           (Under Water) Mexico Quintana Roo Solidaridad 3.689 5937 92 28.0 QRSS via Jim Coke e-mail 6/7
27 Hornsby Spring Cave System      (Under Water) U.S.A. Florida Alachua 3.651 5876 150 45.7 Sheck Exley 05/80
28 Jackson Blue Springs Cave       (Under Water) U.S.A. Florida Jackson 3.465 5576 0 0.0 Sheck Exley 10/80
29 Sistema Actun Chen              (Under Water) Mexico Quintana Roo Solidaridad 3.377 5435 82 25.0 QRSS via Jim Coke e-mail 1/7
30 Sistema Taj Mahal               (Under Water) Mexico Quintana Roo Solidaridad 3.331 5360 80 24.4 QRSS via Jim Coke e-mail 1/7
31 Manatee Spring Cave System      (Under Water) U.S.A. Florida Levy 3.275 5271 95 29.0 Sheck Exley 10/80
32 Sistema Actun Koh               (Under Water) Mexico Quintana Roo Solidaridad 3.204 5156 54 16.5 QRSS via Jim Coke e-mail 1/7
33 Entrada Boca Paila                Mexico Quintana Roo Solidaridad 3.188 5131 73 22.3 QRSS via Jim Coke e-mail 2/8
34 Doux de Coly                    (Under Water) France ? ? 3.107 5000 0 0.0 Steve Worthington e-mail 05/03
35 Cenote Tortuga          (Under Water) Mexico Quintana Roo Solidaridad 3.044 4899 90 27.4 QRSS via Jim Coke e-mail 1/7
36 Sistema Tux Kupaxa        (Under Water) Mexico Quintana Roo Solidaridad 2.968 4777 48 14.6 QRSS via Jim Coke e-mail 1/7
37 Sistema Dzonot Took            (Under Water) Mexico Quintana Roo Solidaridad 2.943 4736 54 16.5 QRSS via Jim Coke e-mail 1/7
38 Green Sink Cave System (Yana)   (Under Water) U.S.A. Florida Lafayette 2.815 4530 60 18.3 Sheck Exley 05/80
39 Cenote Chan Ayim            (Under Water) Mexico Quintana Roo Solidaridad 2.618 4214 97 29.6 QRSS via Jim Coke e-mail 1/7
40 Moinar Janos Cave              (Under Water) Hungary Budapest ? 2.485 4000 236 72.0 Tibor Tihanyi e-mail 6/4
41 Cenote Burrodromo               (Under Water) Mexico Quintana Roo Solidaridad 2.462 3962 47 14.3 QRSS via Jim Coke e-mail 1/7
42 Gervais Cave                    (Under Water) Canada Ontario ? 2.428 3907 30 9.1 Ian McKenzie e-mail 1/6
43 Sistema Dos Pisos             (Under Water) Mexico Quintana Roo Solidaridad 2.302 3704 85 25.9 QRSS via Jim Coke e-mail 1/7
44 Natural Bridge - St Marks   (Under Water) U.S.A. Florida Wakalla 2.293 3690 110 33.5 WKPP - Casey McKinlay e-mail 7/7
45 Indian Spring (Creek) Cave      (Under Water) U.S.A. Florida Wakalla 2.273 3658 0 0.0 G.Irvine 06/98
46 Devils Eye Cave System          (Under Water) U.S.A. Florida Gilchrist 2.260 3637 0 0.0
47 Sistema Joolis             (Under Water) Mexico Quintana Roo Solidaridad 2.259 3636 66 20.1 QRSS via Jim Coke e-mail 1/7
48 Sistema Crustacea               (Under Water) Mexico Quintana Roo Solidaridad 2.253 3626 62 18.9 QRSS via Jim Coke e-mail 1/7
49 Ordinskaya Cave       (Gypsum) (Under Water) Russia Perm Region Orda District 2.237 3600 276 84.0 http://nsi.psu.ru/labs/gtp/objects/orda cave.html 1/5
50 Sistem Ich Tunich               (Under Water) Mexico Quintana Roo Solidaridad 2.198 3538 52 15.8 QRSS via Jim Coke e-mail 1/7
51 Sistema Dos Pies                (Under Water) Mexico Quintana Roo Solidaridad 2.185 3516 43 13.1 QRSS via Jim Coke e-mail 1/7
52 Beacon Woods Cave               (Under Water) U.S.A. Florida Pasco 2.163 3481 140 42.7 Warren 2002
53 M2 Blue Hole                    (Under Water) U.S.A. Florida Madison 2.003 3224 147 44.8 NSS News V50N4P94 04/92
54 Sally Ward Cave                 (Under Water) U.S.A. Florida Wakulla 2.000 3219 0 0.0 Wisenbaker 2003
55 Sistema Mundo Escondido    (Under Water) Mexico Quintana Roo Solidaridad 1.992 3206 86 26.2 QRSS via Jim Coke e-mail 1/7
56 Sistema Minotauro               (Under Water) Mexico Quintana Roo Solidaridad 1.938 3119 48 14.6 QRSS via Jim Coke e-mail 1/7
57 Giant Cave                      (Under Water) Belize ? ? 1.936 3116 0 0.0 Exley
58 King Pot - Keld Head            (Under Water) United Kingdom ? ? 1.895 3050 0 0.0 UWS V18N6 1991
59 Hole in the Wall Cave           (Under Water) U.S.A. Florida Jackson 1.783 2869 102 31.1 Sheck Exley 10/80
60 Burnabbie Cave          (Under Water) Australia Western Australia Nullarbor Plain 1.709 2750 0 0.0 Paul Hosie via OZCavers mailing list 11/6
61 Sistema Maria Isabel            (Under Water) Mexico Quintana Roo Solidaridad 1.691 2721 44 13.4 QRSS via Jim Coke e-mail 11/7
62 Cenote Herradura      (Under Water) Mexico Quintana Roo Solidaridad 1.614 2597 53 16.2 QRSS via Jim Coke e-mail 11/7
63 Sistema Regina                  (Under Water) Mexico Quintana Roo Solidaridad 1.588 2556 97 29.6 QRSS via Jim Coke e-mail 6/7
64 Cenote K'oxul          (Under Water) Mexico Quintana Roo Solidaridad 1.560 2511 58 17.7 QRSS via Jim Coke e-mail 11/7
65 Cenote Crocodrilo Mexico Cozumel ? 1.549 2493 57 17.4 Jim Coke e-mail 1/6
66 Sistema Dream Gate            (Under Water) Mexico Quintana Roo Solidaridad 1.535 2470 31 9.4 QRSS via Jim Coke e-mail 1/7
67 Cenote Maya (Junea)             (Under Water) Mexico Quintana Roo Solidaridad 1.532 2465 54 16.5 QRSS via Jim Coke e-mail 1/7
68 Source de Bestouan              (Under Water) France ? ? 1.529 2461 0 0.0 UWS V18N6 1991
69 Bonnet Spring                   (Under Water) U.S.A. Florida Suwannee 1.522 2449 34 10.4 Skiles
70 Bird Sink                       (Under Water) U.S.A. Florida Leon 1.515 2438 0 0.0 T.Morris 06/98
71 Peacock III Cave Syphon         (Under Water) U.S.A. Florida Suwannee 1.466 2359 210 64.0 M.Poucher 1996
72 Covol del Veci                  (Under Water) Italy ? ? 1.455 2342 0 0.0 UWS V18N6 1991
73 Laguna Lagarto                  (Under Water) Mexico Quintana Roo Solidaridad 1.431 2303 36 11.0 QRSS via Jim Coke e-mail 1/7
74 Cenote Sole (Sunscape)    Mexico Quintana Roo Solidaridad 1.381 2223 33 10.1 QRSS via Jim Coke e-mail 2/8
75 Sistema Rudy Sanchez             (Under Water) Mexico Quintana Roo Solidaridad 1.370 2204 61 18.6 QRSS via Jim Coke e-mail 1/7
76 Stevenson Spring (Line Eater)   (Under Water) U.S.A. Florida Hamilton 1.364 2195 0 0.0 Bryant, et.al. 1982
77 Sistema Ek Be                   (Under Water) Mexico Quintana Roo Solidaridad 1.358 2185 43 13.1 QRSS via Jim Coke e-mail 1/7
78 Sistema Chakalal            (Under Water) Mexico Quintana Roo Solidaridad 1.348 2170 22 6.7 QRSS via Jim Coke e-mail 1/7
79 Sistema Carrillo Mexico Quintana Roo Solidaridad 1.332 2144 26 7.9 QRSS via Jim Coke e-mail 2/8
80 Sistema Miguel                (Under Water) Mexico Quintana Roo Solidaridad 1.328 2137 60 18.3 QRSS via Jim Coke e-mail 1/7
81 Weeki Wachee Spring  (Under Water) U.S.A. Florida ? 1.269 2042 403 122.8 http://tampadiving.com/weekiwachee/ 9/7
82 Cueva Aak Kimin                 (Under Water) Mexico Quintana Roo Solidaridad 1.243 2001 225 68.6 QRSS via Jim Coke e-mail 1/7
83 Emergence du Ressell            (Under Water) France ? ? 1.243 2000 265 80.8 Buchaly, Waldbrener 1998
84 Laguna Nonec                    (Under Water) Mexico Quintana Roo Solidaridad 1.243 2000 35 10.7 QRSS via Jim Coke e-mail 1/7
85 Sistema Yang kai                  (Under Water) Mexico Quintana Roo Solidaridad 1.224 1970 69 21.0 QRSS via Jim Coke e-mail 1/7
86 Leopard Frog Cave               (Under Water) Canada ? ? 1.222 1966 0 0.0 Steve Worthington e-mail 05/03
87 Sisema Baab Zotz                  (Under Water) Mexico Quintana Roo Solidaridad 1.176 1892 28 8.5 QRSS via Jim Coke e-mail 6/7
88 Sistema Chico Upstream             (Under Water) Mexico Quintana Roo Solidaridad 1.156 1861 59 18.0 QRSS via Jim Coke e-mail 1/7
89 Sistema Zebra                   (Under Water) Mexico Quintana Roo Solidaridad 1.141 1837 56 17.1 QRSS via Jim Coke e-mail 1/7
90 Sistema Sac Xiquin                   (Under Water) Mexico Quintana Roo Solidaridad 1.089 1752 44 13.4 QRSS via Jim Coke e-mail 1/7
91 Guy James Cave     (Under Water) U.S.A. Tennessee Rutherford 1.079 1736 0 0 Jason Richards e-mail 11/7
92 Cueva de La Atlantida (Tunnel )   (Lava Tube)(Under Water) Spain Canarias Island Lanzarote 1.072 1726 171 52.1 Catalogue of cavities from the Canary Islands 2/8
93 Sistema Heder                   (Under Water) Mexico Quintana Roo Solidaridad 1.065 1714 80 24.4 QRSS via Jim Coke e-mail 1/7
94 Roubidoux Spring     (Under Water) U.S.A. Missouri Pulaski 1.040 1674 0 0.0 Jonathan Beard e-mail 3/5
95 Source de Port Miou             (Under Water) France ? ? 1.038 1670 0 0.0 UWS V18N6 1991