| WORLDS LONGEST LAVA TUBES Compiled by: Bob Gulden - October 15, 2011 | ||||||||||
| Send updates and corrections to caverbob@aol.com | ||||||||||
| The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com Copyright 2011 NSS Geo2, Bob Gulden NSS#13188LF | ||||||||||
| Do not ask for cave locations, I will not give them out. | ||||||||||
| # | CAVE NAME | COUNTRY | STATE | COUNTY | MILES | METERS | FEET | METERS | SOURCE | DATE |
| 1 | Kazumura Cave | U.S.A. | Hawaii | Hawaii | 40.700 | 65500 | 3614 | 1101.5 | HSS Newsletter N9P7 | 06/01 |
| 2 | Kipuka Kanohina (Kula Kai Caverns) | U.S.A. | Hawaii | Hawaii | 28.700 | 46188 | 762 | 232.3 | Bob Richards e-mail | Mar-11 |
| 3 | Hualalai Ranch Cave | U.S.A. | Hawaii | Hawaii | 17.265 | 27785 | 1449 | 441.7 | Doug Medville e-mail | Mar-07 |
| 4 | Emesine Cave (1881 System) | U.S.A. | Hawaii | Hawaii | 12.890 | 20744 | 1433 | 436.8 | Don Coons e-mail | 03/02 |
| 5 | Cueva del Viento-cueva del Sobrado | Spain | Canarias Island | Tenerife Is. | 10.583 | 17032 | 1837 | 560.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 6 | Pahoa Cave(s) (segmentation??) | U.S.A. | Hawaii | Hawaii | 9.942 | 16000 | 1150 | 350.5 | Lava Tube Flow e-mails | May-05 |
| 7 | Bilemot Gul | South Korea | Isla Cheju | ? | 7.300 | 11749 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 8 | Hue Hue Cave | U.S.A. | Hawaii | Hawaii | 6.711 | 10800 | 1623 | 494.7 | Stephan Kempe | 10/99 |
| 9 | Leviathan (longest segment) | Kenya | Chyulu Hills | ? | 5.687 | 9152 | 1339 | 408.0 | Michael Laumanns e-mail | 08/03 |
| 10 | Manjang Gul | South Korea | Isla Cheju | ? | 5.548 | 8928 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 11 | Keala Cave | U.S.A. | Hawaii | Hawaii | 5.410 | 8707 | 610 | 185.9 | Stephan Kempe, IUS Com. on Vol.Cave NL | 12/99 |
| 12 | Roiho Cave System | Chile | Easter Island | Roiho | 4.039 | 6500 | 0 | 0.0 | Alfonso Antxia Science Society of Basque Country via Jabier Les e-mail | Jun-10 |
| 13 | Pueo Cave | U.S.A. | Hawaii | Hawaii | 4.008 | 6450 | 337 | 102.7 | Doug Medville e-mail | Oct-06 |
| 14 | Cueva de Don Justo | Spain | Canarias Island | El Hierro Island | 3.924 | 6315 | 469 | 143.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 15 | Ferrocarril-Mina Inferior | Mexico | Morelos | Volcan Suchioc | 3.851 | 6197 | 236 | 72.0 | Chris Llyod - Cavers Digest | 04/99 |
| 16 | Cueva de los Verdes | Spain | Canarias Island | Lanzarote | 3.790 | 6100 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 17 | Lama Lua System | U.S.A. | Hawaii | Hawaii | 3.447 | 5547 | 617 | 188.1 | Doug Medville e-mail | 04/04 |
| 18 | Gruta das Torres Pico | Portugal | Azores | ? | 3.380 | 5439 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 19 | Xiao Zhai Tiankeng Dong | China | Chongqing | Fengjie | 3.229 | 5197 | 364 | 111.0 | International Caver N64 depth-364 | 03/96 |
| 20 | Iglesia-Mina Superior | Mexico | Morelos | Volcan Suchioc | 3.197 | 5145 | 177 | 54.0 | Chris Llyod - Cavers Digest | 04/99 |
| 21 | Laufbalavatn | Iceland | ? | ? | 3.114 | 5012 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 22 | Surtshellir-Stepanshellir et Hulduhellir | Iceland | ? | ? | 3.107 | 5000 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 23 | Catacomb Cave | U.S.A. | Hawaii | Hawaii | 3.098 | 4986 | 183 | 55.8 | Doug Medville e-mail | Mar-11 |
| 24 | Kaupulehu System | U.S.A. | Hawaii | Hawaii | 3.077 | 4952 | 527 | 160.6 | Doug Medville e-mail | 04/03 |
| 25 | Susan Gul | South Korea | Isla Cheju | ? | 2.905 | 4675 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 26 | Ubuvumo Bibihonga | Rwanda | Rubavu | Kanzenze | 2.815 | 4530 | 0 | 0.0 | Michael Laumanns list from IUS Commission on Volcanic Caves | Jun-07 |
| 27 | Under the Wall Cave | U.S.A. | Hawaii | Hawaii | 2.736 | 4403 | 464 | 141.4 | Doug Medville e-mail | 10/99 |
| 28 | Deadhorse Cave | U.S.A. | Washington | Skamania | 2.735 | 4402 | 192 | 58.5 | Garry Petrie e-mail | 03/03 |
| 23 | Gypsum Cave | U.S.A. | Idaho | Lincoln | 2.682 | 4316 | 234 | 71.3 | Tom Miller e-mail | 09/98 |
| 24 | Two Owl Cave | U.S.A. | Hawaii | Hawaii | 2.655 | 4273 | 380 | 115.8 | Peter Bosted via Doug Medville e-mail | Apr-10 |
| 25 | Waste Management System | U.S.A. | Hawaii | Hawaii | 2.628 | 4229 | 125 | 38.1 | Doug Medville e-mail | Mar-09 |
| 26 | John Martin Cave | U.S.A. | Hawaii | Hawaii | 2.584 | 4159 | 0 | 0.0 | IOS Comm. on Volcanic Caves News #13 | 06/97 |
| 27 | Kalmanshellir | Iceland | ? | ? | 2.493 | 4012 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 28 | Cueva del Estafiliton | Spain | Canarias Island | Tenerife Is. | 2.485 | 4000 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 29 | Ape Cave | U.S.A. | Washington | Skamania | 2.500 | 3983 | 598 | 182.3 | Garry Petrie e-mail | 03/03 |
| 30 | Umi'i Manu System | U.S.A. | Hawaii | Hawaii | 2.415 | 3887 | 1869 | 569.7 | Doug Medville | 02/00 |
| 31 | Dynamited(Blasted)(Lemei Road)Cave | U.S.A. | Washington | Skamania | 2.338 | 3763 | 325 | 99.1 | Garry Petrie e-mail | 03/03 |
| 32 | Duck Creek Lava Tube | U.S.A. | Utah | Kane | 2.283 | 3674 | 300 | 91.4 | R.L.Crawford-Worlds Longest Lava Tubes | 1982 |
| 33 | Big Red Cave | U.S.A. | Hawaii | Hawaii | 2.241 | 3607 | 760 | 231.6 | Doug Medville e-mail | 09/02 |
| 34 | 14-18 Series (part of Mt.Suswa sytem) | Kenya | Mt.Susua | Monte Silali | 2.175 | 3500 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 35 | Surtshellir-Stepanshellir | Iceland | ? | ? | 2.169 | 3490 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 36 | Ana Pe'ape'a at Salamumu | Western Samoa | Upolu Island | Salamumu | 2.167 | 3487 | 243 | 74.0 | Tom Lliffe e-mail | Jan-09 |
| 37 | Manu Nui Lava Tube | U.S.A. | Hawaii | Hawaii | 2.150 | 3460 | 1143 | 348.4 | NSS NEWS V65N10P21 | Sep-07 |
| 38 | Ubuvumo Nyabikuri-Ruri | Rwanda | Ruhengeri | Bukamba | 2.103 | 3384 | 472 | 144.0 | Michael Laumanns e-mail | 07/03 |
| 39 | "D"Road Cave (Tree Cast, Pole 46) | U.S.A. | Hawaii | Hawaii | 1.976 | 3180 | 140 | 42.7 | HSS Newsletter N9P5 | 06/01 |
| 40 | Breached Wall Cave | U.S.A. | Hawaii | Hawaii | 1.930 | 3106 | 515 | 0.0 | Doug Medville e-mail | Mar-09 |
| 41 | Sochon Gul | South Korea | Isla Cheju | ? | 1.910 | 3074 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 42 | Cueva del Cascajo | Ecuador | Galapagos Islands | Santa Cruz | 1.870 | 3010 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 43 | Pango ya Moshi (Cloud Cave) | Kenya | Chyulu Hills | ? | 1.864 | 3000 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 44 | Rainbow's End Cave | Kenya | Mt.Susua | Monte Silali | 1.864 | 3000 | 0 | 0.0 | Chris Llyod - Cavers Digest | 04/99 |
| 45 | Ka'eleku Caverns | U.S.A. | Hawaii | Maui | 1.772 | 2852 | 738 | 224.9 | Bob Richards e-mail | 12/99 |
| 46 | Lower Uilani Cave | U.S.A. | Hawaii | Hawaii | 1.742 | 2803 | 0 | 0.0 | William Halliday | 8/95 |
| 47 | Falls (Panther) Creek (Lava) Cave | U.S.A. | Washington | Skamania | 1.738 | 2797 | 413 | 125.9 | R.L.Crawford-Worlds Longest Lava Tubes | 1982 |
| 48 | Gruta Dos Balcoes | Portugal | Azores | Terceira | 1.686 | 2713 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 49 | Upper Owl Cave | U.S.A. | Hawaii | Hawaii | 1.677 | 2699 | 390 | 118.9 | Doug Medville e-mail | Apr-10 |
| 50 | The Catacombs(Cave) (LeBe Nat;l Mon.) | U.S.A. | California | Siskiyou | 1.603 | 2580 | 132 | 40.2 | Liz Wolf & Joke Vansweevelt | Oct-10 |
| 51 | Mammoth Cave | U.S.A. | California | Modoc | 1.559 | 2509 | 157 | 47.9 | Mike Sims e-mail. Mpped 1984-85 by Bruce Rogers, et al | Jun-07 |
| 52 | Yongcheon | South Korea | Jeju Island | ? | 1.553 | 2500 | 0 | 0.0 | Descent #190 P135 | Jul-06 |
| 53 | Pot O' Gold | U.S.A. | Idaho | Lincoln | 1.396 | 2500 | 0 | 0.0 | Idaho, the Underground Gem - 1999 NSS Convention Guidebook | Jun-99 |
| 54 | Wire Cave | U.S.A. | Hawaii | Hawaii | 1.542 | 2482 | 191 | 58.2 | Doug Medville e-mail | Mar-11 |
| 55 | Black Pellet Cave | U.S.A. | Hawaii | Hawaii | 1.478 | 2379 | 206 | 62.8 | Doug Medville e-mail | 04/04 |
| 56 | Lava River Cave | U.S.A. | Oregon | Deschutes | 1.473 | 2371 | 150 | 45.7 | IUS Comm. on Volcanic Caves news #13 | 06/97 |
| 57 | Post Office Cave | U.S.A. | California | Siskiyou | 1.465 | 2358 | 0 | 0.0 | Cascade Caver V26P80 | 10/87 |
| 58 | Cueva de Gallardo | Ecuador | Galapagos Islands | Santa Cruz Is. | 1.398 | 2250 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 59 | Chubby Bunny (Fat Rabbit) Cave | U.S.A. | Washington | Skamania | 1.370 | 2205 | 162 | 49.4 | Garry Petrie e-mail | 03/03 |
| 60 | Mitsuike-Ana | Japan | Shizuoka | Fujinomiya | 1.368 | 2202 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 61 | Kaumana Cave | U.S.A. | Hawaii | Hawaii | 1.365 | 2197 | 0 | 0.0 | William Halliday | 06/96 |
| 62 | New Cave | U.S.A. | Washington | Skamania | 1.354 | 2179 | 137 | 41.8 | Garry Petrie e-mail | 03/03 |
| 63 | Outlaw Cave | U.S.A. | New Mexico | Eddy | 1.326 | 2134 | 15 | 4.6 | Dave Belski e-mail | 03/03 |
| 64 | Catwalk Cave-Gaping Holes System | U.S.A. | California | Siskiyou | 1.316 | 2118 | 0 | 0.0 | Bruce Rogers e-mail | Jan-10 |
| 65 | Smoky Creek System | U.S.A. | Washington | Skamania | 1.296 | 2086 | 0 | 0.0 | NSS NEWS V69N1P26 | Jan-11 |
| 66 | Wa Hol Kul | South Korea | Cheju Island | Cho Cheon Eub | 1.284 | 2066 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 67 | Pukalani Cave | U.S.A. | Hawaii | Hawaii | 1.273 | 2049 | 0 | 0.0 | William Halliday | 1993 |
| 68 | Cueva de la Finca Kastdalen | Ecuador | Galapagos islands | Santa Cruz Is. | 1.243 | 2000 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 69 | Surtshellir | Iceland | Hallmundarhraun | ? | 1.224 | 1970 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 70 | Ambigua Cave | U.S.A. | Hawaii | Hawaii | 1.202 | 1934 | 1006 | 306.6 | Bob Richards via Doug medville e-mail | Mar-11 |
| 71 | Idrafossar | Iceland | ? | ? | 1.189 | 1913 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 72 | Mathaioni Cave | Kenya | Kiboko | Chyulu Hills | 1.181 | 1900 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 73 | Cueva de Felipe Reventon | Spain | Canarias Island | Tenerife Is. | 1.146 | 1845 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade (1845 mapped, 3000m seen) | 4/8 |
| 74 | Pickings Cave | U.S.A. | Washington | Skamania | 1.146 | 1844 | 96 | 29.3 | Garry Petrie e-mail | 03/03 |
| 75 | Cueva de San Marcos | Spain | Canarias Island | Tenerife Is. | 1.131 | 1820 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 76 | Cueva de los Roques | Spain | Canarias Island | Tenerife Is. | 1.118 | 1800 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 77 | Arco Tunnel (CMNM) | U.S.A. | Idaho | Butte | 1.100 | 1770 | 0 | 0.0 | Idaho, the Underground Gem - 1999 NSS Convention Guidebook | Jun-99 |
| 78 | Cueva de La Atlantida (Tunnel ) (Under Water) | Spain | Canarias Island | Lanzarote | 1.072 | 1726 | 171 | 52.1 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 79 | Michon Gul | South Korea | Cheju Island | Seong San Eub | 1.065 | 1714 | 0 | 0.0 | www.wec-net.com/english/lavalist-w.html | 10/99 |
| 80 | Ole's Cave | U.S.A. | Washington | Skamania | 1.065 | 1714 | 0 | 0.0 | Cascade Caver N26P80 | 10/87 |
| 81 | Ubuvumo Manjari deux | Rwanda | Ruhengeri | Mutobo | 1.031 | 1660 | 0 | 0.0 | Michael Laumanns e-mail | Jan-05 |
| 82 | Cueva de los Naturalistas o las Palomas | Spain | Canarias Island | Lanzarote | 1.019 | 1640 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 83 | Sistema de Titgalate, tubo A | Spain | Canarias Island | La Palma Island | 1.014 | 1632 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 84 | Wilson Cave | U.S.A. | Hawaii | Hawaii | 1.000 | 1609 | 0 | 0.0 | HSS Newsletter Fall 2009 N26P23 | FALL 09 |
| 85 | Ubuvumo bwa Musanze (longest Seg.) | Rwanda | Ruhengeri | Ruhengeri Ville | 0.994 | 1600 | 230 | 70.0 | Michael Laumanns e-mail | 07/03 |
| 86 | Henahena 01 Cave | U.S.A. | Hawaii | Hawaii | 0.989 | 1592 | 290 | 88.4 | Doug Medville e-mail | Mar-11 |
| 87 | Viogelmir | Iceland | ? | ? | 0.984 | 1584 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 88 | Bobcat Cave | U.S.A. | California | Siskiyou | 0.973 | 1566 | 0 | 0.0 | Peter Bosted | Jul-09 |
| 89 | Garden Cave | U.S.A. | Idaho | Butte | 0.968 | 1558 | 0 | 0.0 | Idaho, the Underground Gem - 1999 NSS Convention Guidebook | Jun-99 |
| 90 | Stefanshellir | Iceland | ? | ? | 0.944 | 1520 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 91 | Lost Axe Cave | U.S.A. | Hawaii | Hawaii | 0.942 | 1516 | 188 | 57.3 | Doug Medville e-mail | Apr-10 |
| 92 | Hulduhellir | Iceland | ? | ? | 0.932 | 1500 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 93 | Ubuvumo bwa Nyirabadogo | Rwanda | Gisenyi | Mutura | 0.932 | 1500 | 0 | 0.0 | Atlas - Great Caves of the World | 1989 |
| 94 | Cueva Wessex Cave Club | Spain | Canarias Island | Tenerife Is. | 0.932 | 1500 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 95 | Ubuvumo Cyamazera | Rwanda | Gisenyi | Mutura | 0.922 | 1484 | 0 | 0.0 | Michael Laumanns e-mail | Jan-05 |
| 96 | Ubuvumo Gacinyiro 2 | Rwanda | Ruhengeri | Kinigi | 0.913 | 1470 | 131 | 40.0 | Michael Laumanns e-mail | 07/03 |
| 97 | Black Pillar Cave | U.S.A. | Hawaii | Hawaii | 0.910 | 1465 | 88 | 26.8 | Doug Medville e-mail | Mar-07 |
| 98 | Ana Pe'ape'a in the Togitogiga Park | Western Samoa | Upolu Island | Togitogiga Park | 0.907 | 1459 | 0 | 0.0 | Tom Lliffe e-mail | Jan-09 |
| 99 | Prairie Dog Cave | U.S.A. | Hawaii | Hawaii | 0.902 | 1452 | 250 | 76.2 | Doug Medville e-mail | 09/02 |
| 100 | Umm Jirsan System | Saudi Arabia | Madinah | Harrat Khaybar | 0.895 | 1440 | 33 | 10.0 | John Pint e-mail | Oct-07 |
| 101 | Redemption Cave | U.S.A. | Hawaii | Hawaii | 0.889 | 1431 | 302 | 92.0 | Doug Medville e-mail | Mar-11 |
| 102 | Hapu u Cave | U.S.A. | Hawaii | Hawaii | 0.873 | 1405 | 413 | 125.9 | Doug Medville e-mail | Mar-11 |
| 103 | Hachijo-fuketsu no.1 | Japan | Tokyo | Hachijo-jima | 0.872 | 1404 | 0 | 0.0 | W.P.C.S.T. Newsletter N89P12 | SA/02 |
| 104 | Lake Cave | U.S.A. | Washington | Skamania | 0.871 | 1402 | 200 | 61.0 | Des Marshall e-mail | Jul-10 |
| 105 | Kimikia/Ithundu Cave | Kenya | Chyulu Hills | ? | 0.870 | 1400 | 0 | 0.0 | Michael Laumanns e-mail | 08/03 |
| 106 | Cueva de del Parque la Granja | Spain | Canarias Island | Tenerife Is. | 0.854 | 1375 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 107 | Dead Willwill Tree Cave | U.S.A. | Hawaii | Hawaii | 0.848 | 1365 | 191 | 58.2 | Doug Medville e-mail | Mar-11 |
| 108 | Cueva Honda del Bejenado o Eduardo | Spain | Canarias Island | La Palma Island | 0.847 | 1363 | 282 | 86.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 109 | Raufarholshellir | Iceland | ? | ? | 0.845 | 1360 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 110 | Bayliss Cave (Undra System) | Australia | North Queensland | Undara V.N.P. | 0.839 | 1350 | 82 | 25.0 | F.Anne & VG Atkinson Mail | 07/01 |
| 111 | Donkey Doo Cave | U.S.A. | Hawaii | Hawaii | 0.833 | 1341 | 178 | 54.3 | Doug Medville e-mail | 04/04 |
| 112 | Hercules Leg-Juniper System | U.S.A. | California | Siskiyou | 0.816 | 1313 | 0 | 0.0 | Matthew Reece e-mail | 07/01 |
| 113 | Cueva del Perdido | Spain | Canarias Island | La Palma Island | 0.800 | 1288 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 114 | Cody Borehole | U.S.A. | Oregon | Deschutes | 0.798 | 1284 | 580 | 176.8 | Garry Petrie | 04/94 |
| 115 | Site 1349 Cave | U.S.A. | Hawaii | Hawaii | 0.790 | 1271 | 110 | 33.5 | Doug Medville e-mail | 04/04 |
| 116 | Folger's Cave | U.S.A. | Washington | Skamania | 0.786 | 1265 | 140 | 42.7 | Garry Petrie e-mail | 03/03 |
| 117 | Tichner-Berthas Cupboard Cave LBNM | U.S.A. | California | Siskiyou | 0.783 | 1260 | 0 | 0.0 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jul-09 |
| 118 | Lava River Cave (Government Cave) | U.S.A. | Arizona | Coconino | 0.777 | 1250 | 43 | 13.1 | Tim Maclntyre e-mail | 05/01 |
| 119 | Beer Bottle Cave | U.S.A. | Washington | Klickitat | 0.770 | 1239 | 172 | 52.4 | Garry Petrie e-mail | 03/03 |
| 120 | James Brothers Cave | U.S.A. | California | Siskiyou | 0.764 | 1230 | 0 | 0.0 | William Halliday e-mail | 07/99 |
| 121 | Wooden Ladder Cave | U.S.A. | Hawaii | Hawaii | 0.758 | 1220 | 406 | 123.7 | Doug Medville | Nov-06 |
| 122 | Aluminum Ladder Cave | U.S.A. | Hawaii | Hawaii | 0.755 | 1215 | 103 | 31.4 | Doug Medville e-mail | Mar-11 |
| 123 | Ohe Makai | U.S.A. | Hawaii | Hawaii | 0.739 | 1189 | 62 | 18.9 | Doug Medville e-mail | Mar-07 |
| 124 | Cueva Perdida o Escondida | Spain | Canarias Island | Lanzarote | 0.731 | 1176 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 125 | Big Vine Cave | U.S.A. | Hawaii | Hawaii | 0.730 | 1175 | 102 | 31.1 | Doug Medville | Nov-06 |
| 126 | Site 16 Cave | U.S.A. | Hawaii | Hawaii | 0.729 | 1173 | 158 | 48.2 | Doug Medville e-mail | 04/04 |
| 127 | El Calderon Bat Cave (Truckits Bat Cave) (El Malpais NM) | U.S.A. | New Mexico | Ciboia | 0.728 | 1172 | 73 | 22.3 | Bruce Rogers | May-91 |
| 128 | Black Ash Cave | U.S.A. | Hawaii | Hawaii | 0.713 | 1147 | 106 | 32.3 | Doug Medville e-mail | 04/04 |
| 129 | Coffee Cave | U.S.A. | Hawaii | Hawaii | 0.705 | 1135 | 397 | 121.0 | Doug Medville e-mail | 02/03 |
| 130 | South Labyrinth Cave | U.S.A. | California | Siskiyou | 0.705 | 1135 | 0 | 0.0 | Matthew Reece e-mail | 07/01 |
| 131 | Ubuvumo Nyiragihima | Rwanda | Ruhengeri | Mutobo | 0.693 | 1116 | 203 | 62.0 | Michael Laumanns e-mail | Jan-05 |
| 132 | Pe'apa'a | Samoa | Upolu | ? | 0.690 | 1110 | 0 | 0.0 | BCRA | 1979 |
| 133 | Volundur | Iceland | ? | ? | 0.688 | 1108 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 134 | Vorduhellir-Litli-Bjorn | Iceland | ? | ? | 0.684 | 1100 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 135 | Floki | Iceland | ? | ? | 0.681 | 1096 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 136 | Skin Mites | U.S.A. | Washington | Skamania | 0.678 | 1091 | 37 | 11.3 | Garry Petrie e-mail | 03/03 |
| 137 | Oozing Red Puka | U.S.A. | Hawaii | Hawaii | 0.677 | 1090 | 153 | 46.6 | Doug Medville e-mail | 02/03 |
| 138 | Kaupulehu Crater Cave (part of Manu Nui ?) | U.S.A. | Hawaii | Hawaii | 0.676 | 1088 | 530 | 161.5 | Peter Bosted e-mail | Jan-06 |
| 139 | Skmaniac Cave | U.S.A. | Washington | Skamania | 0.668 | 1075 | 86 | 26.2 | Garry Petrie e-mail | 03/03 |
| 140 | Youngs' Lave Tube | U.S.A. | Oregon | ? | 0.668 | 1075 | 0 | 0.0 | 1982 NSS Convention Guidebook P.74 | 1982 |
| 141 | Tee Cave | U.S.A. | Idaho | Lincoln | 0.665 | 1070 | 0 | 0.0 | Idaho, the Underground Gem - 1999 NSS Convention Guidebook | Jun-99 |
| 142 | Lava Flats #4 Cave | U.S.A. | Hawaii | Hawaii | 0.664 | 1069 | 28 | 8.5 | Doug Medville e-mail | 04/04 |
| 143 | Lavacicle Cave | U.S.A. | Oregon | ? | 0.663 | 1067 | 0 | 0.0 | NSS Guidebook | 1982 |
| 144 | Dead Bear Cave | U.S.A. | Washington | Klickitat | 0.661 | 1064 | 65 | 19.8 | Garry Petrie e-mail | 03/03 |
| 145 | Skylight Cave | U.S.A. | Hawaii | Hawaii | 0.659 | 1061 | 125 | 38.1 | Doug Medville e-mail | Mar-07 |
| 146 | Lanikai Cave | U.S.A. | Hawaii | Hawaii | 0.650 | 1046 | 0 | 0.0 | HSS Newsletter Fall 2009 N26P23 | FALL 09 |
| 147 | Jar Cave | U.S.A. | Washington | Skamania | 0.648 | 1043 | 94 | 28.7 | Garry Petrie e-mail | 03/03 |
| 148 | Resurrection Cave | U.S.A. | Washington | Skamania | 0.645 | 1038 | 60 | 18.3 | Garry Petrie e-mail | 03/03 |
| 149 | Little Red River Cave | U.S.A. | Washington | Skamania | 0.641 | 1032 | 406 | 123.7 | Cascade Caver V35N6P45 | 06/96 |
| 150 | Burl | Iceland | ? | ? | 0.637 | 1025 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 151 | Mouflon Cave | U.S.A. | Hawaii | Hawaii | 0.631 | 1015 | 100 | 30.5 | HSS Newsletter N9P26 | 06/01 |
| 152 | Skeleton Cave | U.S.A. | Oregon | Deschutes | 0.628 | 1011 | 100 | 30.5 | Geology of Selected L.T.in Bend Oregon | 1971 |
| 153 | Cueva Honda de Miranda o Escuela | Spain | Canarias Island | La Palma Island | 0.625 | 1006 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 154 | Octapuka | U.S.A. | Hawaii | Hawaii | 0.623 | 1003 | 87 | 26.5 | Doug Medville e-mail | 02/03 |
| 155 | ThisCave/ThatCave System | U.S.A. | Hawaii | Hawaii | 0.622 | 1001 | 341 | 103.9 | Stephan Kempe e-mail (On Mauna Kea) | 06/01 |
| 156 | Pauahau Civil Defence Cave | U.S.A. | Hawaii | Hawaii | 0.622 | 1001 | 164 | 50.0 | Stephan Kempe e-mail (On Mauna Kea) | 06/01 |
| 157 | Banda-ana | Japan | Shizuoka | Fujinomiya | 0.622 | 1001 | 0 | 0.0 | W.P.C.S.T. Newsletter N89P12 | SA/02 |
| 158 | Langibrongur | Iceland | ? | ? | 0.621 | 1000 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 159 | ABC Cave | Kenya | Mt.Susua | Chyulu Hills | 0.621 | 1000 | 0 | 0.0 | Michael Laumanns e-mail | 08/03 |
| 160 | Cueva de Chiguergue | Spain | Canarias Island | Tenerife Is. | 0.621 | 1000 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 161 | Cueva del Llando de Los Canos | Spain | Canarias Island | La Palma Island | 0.621 | 1000 | 0 | 0.0 | Grupo de Espeleologia Tebexcorade | 4/8 |
| 162 | Sentinel Cave | U.S.A. | California | Siskiyou | 0.621 | 999 | 0 | 0.0 | Matthew Reece e-mail | 07/01 |
| 163 | Government Cave | U.S.A. | Idaho | Blaine | 0.618 | 995 | 89 | 27.1 | Idaho, the Underground Gem - 1999 NSS Convention Guidebook | Jun-99 |
| 164 | Sistema Salto Tigalate Cueva B | Spain | Canarias Island | La Palma Island | 0.616 | 992 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 165 | Cuevas de la Atalaya | Spain | Canarias Island | Lanzarote | 0.616 | 991 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 166 | Flodhellir | Iceland | ? | ? | 0.610 | 982 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 167 | Dove Cave | U.S.A. | Hawaii | Hawaii | 0.606 | 975 | 164 | 50.0 | Doug Medville e-mail | Mar-11 |
| 168 | Cueva de las Brenas | Spain | Canarias Island | Lanzarote | 0.590 | 950 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 169 | Al-Fahda Cave | Jordan | ? | ? | 0.574 | 924 | 0 | 0.0 | www.saudicaves.com/j2005/index.htm | Oct-05 |
| 170 | Thanks(giving) Cave | U.S.A. | Washington | Skamania | 0.568 | 914 | 61 | 18.6 | Leonard Slack e-mail | 06/00 |
| 171 | Blami | Iceland | ? | ? | 0.567 | 913 | 0 | 0.0 | Volcanospeleologie en Islande by Michel Detay | Jan-11 |
| 172 | Cueva de los Pescadores | Spain | Canarias Island | Lanzarote | 0.552 | 888 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 173 | Balcony Cave (LBNM) | U.S.A. | California | Siskiyou | 0.550 | 885 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 174 | Crystal Ice Cave (LBNM) | U.S.A. | California | Siskiyou | 0.547 | 881 | 0 | 0.0 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jan-10 |
| 175 | Puu Hinai Powerline Cave | U.S.A. | Hawaii | Hawaii | 0.540 | 869 | 98 | 29.9 | Doug Medville e-mail | 04/04 |
| 176 | Pillars of Hercules Cave | U.S.A. | Washington | Skamania | 0.527 | 848 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 177 | cueva de Dona Otilla | Argentina | Mendoza | ? | 0.521 | 838 | 0 | 0.0 | Atlas - Great Caves of the World | 1989 |
| 178 | Ana Pe'ape'a at Fale'ase'ela | Western Samoa | Upolu Island | Fale'ase'ela | 0.505 | 812 | 0 | 0.0 | Tom Lliffe e-mail | Jan-09 |
| 179 | Cueva Hoya de San Felipe | Spain | Canarias Island | Tenerife Is. | 0.503 | 810 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 180 | Cueva de los 7 Lagos | Spain | Canarias Island | Lanzarote | 0.492 | 791 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 181 | Free Fall Cave | U.S.A. | Hawaii | Hawaii | 0.481 | 774 | 0 | 0.0 | NSS NEWS V65N10P22 | Sep-07 |
| 182 | Sandwich Isle cave | U.S.A. | Hawaii | Hawaii | 0.478 | 769 | 0 | 0.0 | NSS NEWS V65N10P22 | Sep-07 |
| 183 | Kau Cave | U.S.A. | Hawaii | Hawaii | 0.463 | 745 | 0 | 0.0 | NSS NEWS V65N10P22 | Sep-07 |
| 184 | Juniper Cave (LBNM) | U.S.A. | California | Siskiyou | 0.447 | 720 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 185 | The Great One Crack (Lava Crack) | U.S.A. | Hawaii | Hawaii | 0.439 | 707 | 600 | 182.9 | NSS NEWS V68N12P9 | Dec-10 |
| 186 | Hibashi Cave | Saudi Arabia | Makkah | Harrat Nawasif | 0.429 | 690 | 85 | 26.0 | John Pint e-mail | Oct-07 |
| 187 | Cueva de la Candelaria | Spain | Canarias Island | Tenerife Is. | 0.423 | 680 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 188 | Golden Dome Cave (LBNM) | U.S.A. | California | Siskiyou | 0.422 | 679 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 189 | Gremlin Cave | U.S.A. | Washington | Skamania | 0.421 | 678 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 190 | Cueva del Liano de Villaverde | Spain | Canarias Island | Fuerteventura | 0.403 | 648 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 191 | Cry Wolf Cave | U.S.A. | Washington | Klickitat | 0.402 | 647 | 0 | 0.0 | NSS News V66N7P27 | Jul-08 |
| 192 | Dollar and a Dime Cave | U.S.A. | Washington | Skamania | 0.398 | 641 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 193 | Prince Albert Cave | U.S.A. | Washington | Skamania | 0.398 | 641 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 194 | Middle Butte Cave | U.S.A. | Idaho | Bingham | 0.382 | 615 | 0 | 0.0 | John Stuckless e-mail | Apr-07 |
| 195 | Hercules Leg Cave (LBNM) | U.S.A. | California | Siskiyou | 0.369 | 594 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 196 | Cueva Benisahare | Spain | Canarias Island | La Palma Island | 0.363 | 584 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 197 | Cueva del Paso o del Esqueleto | Spain | Canarias Island | Lanzarote | 0.352 | 567 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 198 | Metrecal Cave | U.S.A. | Washington | Skamania | 0.352 | 566 | 0 | 0.0 | NSS NEWS V69N1P26 | Jan-11 |
| 199 | Cueva de Todoque | Spain | Canarias Island | La Palma Island | 0.348 | 560 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 200 | Mad Hatter Cave | U.S.A. | California | Shasta | 0.337 | 542 | 0 | 0.0 | NSS NEWS V65N10P20-21 | Oct-07 |
| 201 | Shuwaymis Cave | Saudi Arabia | Ha'il | Harrat Ithnayn | 0.329 | 530 | 23 | 7.0 | John Pint e-mail | Oct-07 |
| 202 | Cueva del lago de Lava | Spain | Canarias Island | Lanzarote | 0.329 | 529 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 203 | Hopkins Chocolate Cave LBNM | U.S.A. | California | Siskiyou | 0.322 | 518 | 66 | 20.1 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jul-09 |
| 204 | valentine Cave (LBNM) | U.S.A. | California | Siskiyou | 0.309 | 498 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 205 | Perseverance | U.S.A. | Washington | Skamania | 0.302 | 486 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 206 | The Great Two Crack (Lava Crack) | U.S.A. | Hawaii | Hawaii | 0.301 | 484 | 518 | 157.9 | NSS NEWS V68N12P15 | Dec-10 |
| 207 | Blue Grotto Cave (LBNM) | U.S.A. | California | Siskiyou | 0.292 | 470 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 208 | Four Balcony Pit | U.S.A. | California | Siskiyou | 0.289 | 465 | 0 | 0.0 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jan-10 |
| 209 | Big Crater Caves | U.S.A. | Washington | Skamania | 0.288 | 463 | 0 | 0.0 | NSS News V69N1P26 | Jan-11 |
| 210 | Cueva de Leroy Martin | Spain | Canarias Island | Tenerife Is. | 0.263 | 423 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 211 | Cuevas Negras | Spain | Canarias Island | Tenerife Is. | 0.261 | 420 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 212 | Little People's Cave | U.S.A. | Washington | Skamania | 0.260 | 418 | 0 | 0.0 | Des Marshall e-mail | Jul-10 |
| 213 | Labyrinth Cave (LBNM) | U.S.A. | California | Siskiyou | 0.235 | 378 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 214 | Ana Pe'ape'a at Tapuele'ele | Western Samoa | Savai'I | Tapuele'ele | 0.230 | 370 | 243 | 74.0 | Tom Lliffe e-mail | Jan-09 |
| 215 | Cueva Jameos del Agua | Spain | Canarias Island | Lanzarote | 0.219 | 352 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 216 | Cueva del Paso o del Chocho | Spain | Canarias Island | Lanzarote | 0.217 | 350 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 217 | Cueva Grande de Chio | Spain | Canarias Island | Tenerife Is. | 0.217 | 350 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 218 | Mitertyte Hall (LBNM) | U.S.A. | California | Siskiyou | 0.215 | 346 | 49 | 14.8 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jan-10 |
| 219 | Ana o le Malie | Western Samoa | Savai'I | 0.213 | 342 | 0 | 0.0 | Tom Lliffe e-mail | Jan-09 | |
| 220 | Cuevas de Los Corredores | Spain | Canarias Island | Fuerteventura | 0.210 | 338 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 221 | Glove Cave | U.S.A. | California | ? | 0.208 | 335 | 0 | 0.0 | NSS News V65N12P20 | Dec-07 |
| 222 | Cueva Benisahare | Spain | Canarias Island | Tenerife Is. | 0.203 | 327 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 223 | Ghostly Cave | Saudi Arabia | Makkah | Harrat Kishb | 0.199 | 320 | 5 | 1.5 | John Pint e-mail | Oct-07 |
| 224 | Cueva de la Pedrera | Spain | Canarias Island | Lanzarote | 0.199 | 320 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 225 | Cueva de los Estafilitos | Spain | Canarias Island | Tenerife Is. | 0.199 | 320 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 226 | Cueva del Pozo | Spain | Canarias Island | El Hierro Island | 0.199 | 320 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 227 | Ana Pe'ape'a at Safune | Western Samoa | Savai'I | Safune | 0.197 | 317 | 0 | 0.0 | Tom Lliffe e-mail | Jan-09 |
| 228 | Dragon's Head Cave (LBNM) | U.S.A. | California | Siskiyou | 0.196 | 315 | 0 | 0.0 | Bruce Rogers & Pat Helton, CRF Lava Beds Ops Managers | Jan-10 |
| 229 | Paradise Alley (LBNM) | U.S.A. | California | Siskiyou | 0.196 | 315 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 230 | West Rattlesnake cave | U.S.A. | Idaho | Bingham | 0.193 | 311 | 0 | 0.0 | John Stuckless e-mail | Apr-07 |
| 231 | Galeria de Hiriazo | Spain | Canarias Island | Fuerteventura | 0.186 | 300 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 232 | Cueva del Covon o de la Chifletera | Spain | Canarias Island | Lanzarote | 0.186 | 300 | 0 | 0.0 | Grupo de Espeleologia de Canarias Benisahare | 1/11 |
| 233 | Crystal Cave (LBNM) | U.S.A. | California | Siskiyou | 0.181 | 292 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 234 | Lava Brook Cave (LBNM) | U.S.A. | California | Siskiyou | 0.163 | 262 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 235 | Mushpot (Show Cave) (LBNM) | U.S.A. | California | Siskiyou | 0.146 | 235 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 236 | Boulevard Cave (LBNM) | U.S.A. | California | Siskiyou | 0.144 | 231 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 237 | bat-infested lava Tube | Ethiopia | ? | Walta Gada | 0.137 | 220 | 0 | 0.0 | Descent (190) P35 | Jul-06 |
| 238 | Rumahah Cave | Saudi Arabia | Ha'il | Harrat Khaybar | 0.129 | 208 | 7 | 2.0 | John Pint e-mail | Oct-07 |
| 239 | Merrill Cave (LBNM) | U.S.A. | California | Siskiyou | 0.123 | 198 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 240 | Dogwood Cave | U.S.A. | Washington | Skamania | 0.116 | 187 | 0 | 0.0 | Des Marshall e-mail | Sep-10 |
| 241 | Kauhako Crater (Vauhako) (Lava Pit) | U.S.A. | Hawaii | Molokai | 0.000 | 0 | 865 | 263.7 | Earl Neller via Halliday(Water filled) | 7/97 |
| 242 | Na One Pit(Pit 6083,Pelee's Abyss) (Lava Pit) | U.S.A. | Hawaii | Hawaii | 0.000 | 0 | 862 | 262.7 | Dave Bunnell | 04/94 |