| WORLD LONGEST UNDERWATER CAVES Compiled by: Bob Gulden - April 10, 2008 | ||||||||||
| Send updates and corrections to caverbob@aol.com | ||||||||||
| 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 |