Search by “Title” H I J K L M Back to:- All Surveys
| Cave Survey | Club Publication | Additional Information |
| Hackergill Caves | KCC | |
| Hagg Beck Sink | WRPC | Langstrothdale |
| Hagg Gill Pot | LS, WRPC, CDG, CDG-NSI | Langstrothdale |
| Hakonhullet | CRG-T | Norway |
| Hale Moss Cave | LS | Silverdale |
| Haliloch | Stalactite | Switzerland |
| Hallowe’en Rift | BEC | Mendip |
| Hallum Moss Cave | ULSA | |
| Halo Pot | CC | Ingleborough |
| Haltcliff Bridge Cave | KCC | Cumberland |
| Ham Wood Shelter | MC | Mendip |
| Hamarnesgrotten | CRG-T | Norway |
| Hammer Pot | NPC, B684, D, CDG-NSI | Fountains Fell |
| Hamnsmolnelva Resurgence Cave | CDG | Norway |
| Hang Ba Loan | Mondo Sotterraneo | Vietnam |
| Hang Ban Lang | Speleologica | Vietnam |
| Hang Da Chow | E | Vietnam |
| Hang Duat | IC | Vietnam |
| Hang Duc Tien | Mondo Sotterraneo | Vietnam |
| Hang E (The Drain) | E | Vietnam |
| Hang em High Cave | NSS | USA |
| Hang En | E | Vietnam |
| Hang Kanh Xuan | Speleologica | Vietnam |
| Hang Khe Rhy | IC | Vietnam |
| Hang Nha Tro | Mondo Sotterraneo | Vietnam |
| Hang Over | IC | Vietnam |
| Hang Phong Nha | E | Vietnam |
| Hang Son Doong | D, BEC, B806 | Vietnam |
| Hang Tien | IC, E | Vietnam |
| Hang Toi | E | Vietnam |
| Hang Vom | IC, E | Vietnam |
| Hanging Pot | RRCPC | |
| Hangman’s Hole | LS, ULSA, D | |
| Hangman’s Wood (Deneholes) | CSS | |
| Hangover Hole | DCA | |
| Hansen Cave | NSS | USA |
| Hap An and Mawlamyine, Caves of | BCRA-S | Myanmar |
| Happelseeloch | WSS | Austria |
| Harbesska | CSS | Czechoslovakia |
| Hard Level Gill Cave | MSG | |
| Hardgill Pot (& Lower) | see: Lower Hardgill Pot | |
| Hardins-Junkyard | NSS | USA |
| Hardrawkin Pot and Caves | BCRA-CSS, CDG-NSI | Chapel-le-dale |
| Harehope Quarry Cave | MSG | |
| Harry Becca Mine | DCA | |
| Hartfield Cave | GSG | Applecross |
| Hartleycleugh Quarry Cave | LS, MSG | Carrshield, West Allen |
| Hartsop Hall Mine | LS | |
| Harwood Hole | CSS, CPC | New Zealand |
| Hashcake & Homebrew | SMCC | New Zealand |
| Hassan’s Cave | BSA-CS | Malta |
| Hatley Rocks | BEC | |
| Hauchhohle | BCRA-CP | Austria |
| Hause Waterfall Cave | CANC | USA |
| Hause Waterfall Cave | CANC | West Virginia |
| Hausi-Oder Luegloch (Lettenloch) | BSA-CS | Austria |
| Hauzhu Yan System | China Caves | China |
| Haveluliku Cave | NSS | Tonga |
| Haws Gill System | CDG, CDG-NSI | Chapel-le-dale |
| Haws Gill Wheel | GC | Chapel-le-dale |
| Haytime Hole | KCC | Horton in Ribblesdale |
| Hazel Bush Hill Hole | MSG | Bowes |
| Hazel Grove Caves | RRCPC | |
| Hazelbadge Cave | BSA-CS | |
| Heale Farm Cave | BEC | |
| Heaven Cave | OUCC | Thailand |
| Hei Dong | NSS | China |
| Heidbanger Hole | GSG, D | Sutherland |
| Heifer’s Outwash, Cave of the | GSG | Argyll |
| Helictite Cave | NSS | USA |
| Hell Hole | GSG | |
| Hell Hole | OUCC | Botswana |
| Hellemofjord | KCC | Norway |
| Hellingur | SMCC | Iceland |
| Hellot Hole | RRCPC, LS | |
| Hells Ladder Cave | SMCC | Somerset |
| Helm Gill Head Cave | GC | Whernside |
| Hendre Mines | GCC | N.Wales |
| Henne Morte | LS | |
| Henpeck Mill Cave | NSS | Tennessee |
| Henstock’s Mine | PDMHS | Derbyshire |
| Henwood Pots (Gulley Holes) | CPC | |
| Hepse River Caves | WSG | |
| Herbert’s Pot | CI | Tasmania |
| Herbert’s Quarry Cave | ISCA | Dyfed |
| Herbet’s Hole | D, RRCPC | Casterton Fell |
| Heretic’s Cave | GSG | Kishorn |
| Hermit’s Cave | ISCA | Tetbury |
| Herne Beck Cave (& Pot) | MSG | Wenseydale |
| Herne Hill Caves II & III (Gateways Cave) | MSG, CC, DCA | Maltby |
| Heron Corn Mill Cave | RRCPC | Beetham |
| Heron Pot | LUSS, NPC | |
| Hesleden Bergh Pot | BPC, AIRE | |
| Hiberbian Cave | GSG | Glen Duror |
| Hiberbian Hole | GSG | Glen Duror |
| Hidden River Cave | NSS | USA |
| High Cave | BC | |
| High Cave System | YSS | Connisborough |
| High Flow Cave | BCRA-T | Norway |
| High Fort Windypit | BCRA-T | N. Yorkshire |
| High Gill Caves | NPC | Dentdale |
| High Glasscnock Cave | GSG | Kishorn |
| High Hull Cave | ULSA, LS | |
| High Hull Pot | GC | Yorkshire |
| High Pasture Cave | D, GSG, MSG | Skye |
| High Rigg | GC | |
| High Roads Cave | LCMRS | |
| Higher Glasnock Cave | GSG | Kishorn |
| Higher Grassington Moor Lead Mines | ULSA | |
| Higher Ling Gill Pot | NRCG | |
| Highfields Mine | OCC | |
| Hijah Lubang (Green Cave) | CI | Sarawak |
| Hill Creek | CANC | USA |
| Hill Fort Windypit | YSS | Coverdale |
| Hillier’s Cave | B841 | Mendip |
| Hillocks Mine | BSA-CS | Derbyshire |
| Hills Creek Cave | CANC | Canada |
| Hillwithy Cave | B841 | Mendip |
| Hirlatzhohle | BCRA-S, BEC | Austria |
| Hirlstz Cave | BEC | |
| Hoarthorns Wood Swallet | SUSS | Forest of Dean |
| Hochbrunnsulzenhohle | SUSS | Austria |
| Hochlecken Gross Hohle | B236 | Austria |
| Hodson’s Shaft | GCC | Wales |
| Hoehle M-1 | SMCC | Switzerland |
| Hoehle M-2 | SMCC | Switzerland |
| Hoher Goll | Polish Caving | Austria |
| Holde Hohle | B770 | austria |
| Hole in the Floor | D | Yorkshire |
| Hole in the Road (St. Georges Cavern) | MCG | Mendip |
| Hole in the Wall, The | SUSS | Papua New Guinea |
| Holka Dima 1 | D | Ethiopia |
| Holka Kia | D | Ethiopia |
| Holloch | LS, WSG, BCRA-B, B236, CSS, CWM, SMCC | Switzerland |
| Hollow Cave | CANC | Canada |
| Hollow Mountain, The | ICCC | Slovenia |
| Hollowfield Swallet | BEC | |
| Holme Hill | GC | |
| Holwell Cavern | BC | Somerset |
| Holwell Cavern | CSS, MC, B841 | Somerset |
| Holwell Combe Quarry Cave | MC, BC | Mendip |
| Holywell Cave | CRG-N | |
| Honeymead Hole | B841 | Mendip |
| Hoo Valley Mine (North) | MC | Staffordshire |
| Hooksbank Mine | WRPC | Kettlewell |
| Hornbills Secret Cave | NSS | Malaysia |
| Horringger Court | CSS | |
| Horrocks Cross Cave | MSG | |
| Horse Discovery | SUI | Co. Mayo |
| Horse Level Cave | MSG | Faggergill |
| Horseshoe Bend Pit | NSS | USA |
| Horseshoe Cave | YSS | Settle |
| Horsethief Cave | NSS | USA |
| Hospital Cave | ISCA | |
| Hosse de las Garcas | B236 | France |
| Hosterman’s Pit | NSS | USA |
| How Gill Nick Pot | CPC, WRPC | Grassington Moor |
| Howden Lodge Sinks | CUCC, WRPC | Coverdale |
| Howell Cave | SMCC, BCRA-S | Bridgewater |
| Howes Cave | CANC | Canada |
| Howgill Sink | RRCPC | Casterton Fell |
| Howgill Sink | RRCPC, D | Casterton Fell |
| Hoya de la Conchas | B236 | Mexico |
| Hoya de la Luz | CANC | Mexico |
| Hoya Grande Ice Cave | SMCC | N. Spain |
| Hoyo Del Sedo | CC | Mateinzo |
| Huautla System | D, AMCS | Mexico |
| Huehue Tube | NSS | Hawaii |
| Hufrah Misfah | BCRA-T | Oman |
| Huixtan Area, caves of | CANC | Mexico |
| Hull Pot | B251, BCRA-B, LS | |
| Hundsgfollhohle (Dog Trap Cave) | BSA-CS | Austria |
| Hungerhill Swallet | TSG | Derbyshire |
| Hunter Lodge Inn Sink | BEC, B841 | |
| Hunters Hole | BEC | Mendip |
| Hunters Hole | MSG | Alston |
| Hunts Cave | WSG | Bahamas |
| Hurnel Moss Pot | ULSA | |
| Hurricane Cave System, The | NSS | |
| Hurricane Crawl Cave | NSS | USA |
| Hurtle Pot | CDG-NSI | Chapel-le-dale |
| Hurtle Pot | BPC | USA |
| Hutton Ochre Cace (see Hutton Wood Mine) | ||
| Hutton wood Mine | BEC | |
| Hyatt’s Hill Cave | SMCC | Somerset |
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| Iaro River Cave | CPC | Papua New Guinea |
| Ibbeth Peril Caves | KCC, SS, BSA-B, CC, D, B125, CDG-NSI | Dentdale |
| Ice Chest | CANC | Canada |
| Ice Hall | CANC | Canada |
| Ice Palace | BCRA-CC | |
| Iceland, Caves of (Reykjanes Peninsula) | SMCC | Iceland |
| Ife Hole | MC | Mendip |
| Ifri N’Taouia | CC | Morocco |
| Ifton Quarry Caves | BC, ISCA | Gwent |
| Igloo Cave | NSS | Canada |
| Igloo Pot | CANC | Canada |
| Il Gwang Cave | NSS | Korea |
| Ilam Rising | DCA, CDG | Manifold Valley |
| Ilgarini Magara | LUSS | N. Turkey |
| Imawari Yeuta Cave System | Speleologica | Venezuela |
| Inazumi Cave | CDG | Japan |
| Indio Cave | BC | Columbia |
| Ingleborough Cave (also known as Clapham Cave) | CRG-P, BSA-CS, CDG, CPC, BCRA-B, NPC, CC, B251, LS, WRPC, CDG, B725, CDG-NSI | Clapham |
| Ingresso Fornitori Tavola | Speleologica | Italy |
| Inner Space Cavern | NSS | USA |
| Invisible Cave | B768, CDG | N. Spain |
| Iran | GSG | Iran |
| Ireby Fell Caverns | NPC, NCC,SS, SUSS, NCC, CC, YSS, D, RRCPC, CPC, CDG-NSI | Leck Fell |
| Ireshopeburn Caves | ULSA | |
| Iris Cave | GSG | Scotland |
| Irish Caves | B205 | Ireland |
| Isaac’s Cave | SUSS | Gloucestershire |
| Isetskaja | B332 | Uzbekistan |
| Isfjellelva | B583, BC | Spitsbergen |
| Isgrotten | SWETC | Norway |
| Island Ford Cave | B263 | USA |
| Isle of Wight, Caves of | CSS | Isle of Wight |
| Ivy Green Cave | SUSS | |
| Ivy Hole | GSG | |
| Iwata-Do | CDG | Japan |
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| Jack Daniel’s Cave | Polish Caving | Austria |
| Jackdaw Cave | OCC | Manifold Valley |
| Jackdaw Cave | SMCC | Somerset |
| Jackdaw Quarry Cave | ISCA | Gwent |
| Jackpot Cave | NSS | Kentucky |
| Jackpot Hole | DCA, BSA-B, CDG, EPC, TSG | Derbyshire |
| Jacks Scar Cave | BSA-CS, MSG | |
| Jacksons Bay Great Cave | SP | |
| Jacobs Well Cave | MSG | |
| Jacqueline Close Chalk Mine | D, BSA-J, WP | Bury St. Edmunds |
| Jagerbrunntrog System | CC | Austria |
| Jamaican Caves | CANC | Jamaica |
| Jamarska Sekcija Pd Tolmin | ICCC | Slovenia |
| James Hall’s Over Engine Mine | D, CC, DCA | Castleton |
| Jansill Cave | NSS | USA |
| Janus Pit Cave | CI | USA |
| Jarman Bottom Cave | BSA-CS | |
| Jaskini Czarnes | WSG | |
| Jaskini Marmurdwa | CSS | Poland |
| Jaskini Nad Kutlinami | D | |
| Jaskini Snieznej | B236, D, WSG | Poland |
| Jawbone Cave | CANC | Canada |
| JCB Hole | D | |
| Jeanie Barrie’s Cave | GSG | Peeblesshire |
| Jed Pot | WRPC | |
| Jegerhullet | BCRA-T | Norway |
| Jemblongan | ACA | Java |
| Jenga Pot | D, YCC | Kirkby Moorside |
| Jenkin Beck Cave | RRCPC | |
| Jeskynni Systemy Demanovska Doliny | CSS | Czechoslovakia |
| Jewal cave | NSS | South Dakota |
| Jfre ou Drasse | LUCC | |
| Jfre ou Tagouileit | LUCC | |
| Jiangzhou Dongxuexitong | BCRA-S, BCRA-T | China |
| Jin Lun Dong | China Caves | China |
| Jingle Pot | BPC, CDG-NSI | Chapel-le-dale |
| Jinglep[ot Hole | RRCPC | |
| Jingling Pot | CC | |
| Jingling Sike Cave | MSG | Hell Gill |
| JK Cave | CC | Co. Kerry |
| Jockey Hole | YSS | Allotment |
| Joe’s Cave | D | Co. Clare |
| Johara River Cave System | BCRA-T | Sarawak |
| Joint Hole | BSA-B, D,CDG, CDG-NSI | Chapel-le-dale |
| Joint Mitnor Cave | CC, WP | Devon |
| Joint-Mitnor Cave | BSA-CS | |
| Jonathan’s Cave | GSG | Fife |
| Jordbrugrotten | BSA-CS | Norway |
| Joya Chen | CANC | Mexico |
| Joya Chen | CANC | Mexico |
| Juan Lambrero | B768 | N. Spain |
| Jubilee Sink | GC | Ribblehead |
| Jug Holes | BCRA-T, Masson audit, MCGCC | Derbyshire |
| Jugumen O Tinggina | E | Indonesia |
| Jumandi Cave | CC | Ecuador |
| Junior’s Pit Cave | NSS | Belize |
| Juniper Gulf | LUCC, NCC, LS, BPC, D, GC | N. Yorkshire |
Back to Top Link to Club Code List
| Kaakil Resergence System | BCRA-T | New Guinea |
| Ka’eleku Caverns | NSS | Hawaii |
| Kafatasi Magara (Skull Cave) | LUSS | N. Turkey |
| Kahaf VmalAlmanjum | LUCC | Oman |
| Kahf Aqabat Khushil (Seventh Hole) | NSS | Oman |
| Kahf Aqabat Khushil (Seventh Hole) | NSS | Oman |
| Kahf el Sahm el Azrax | GSG | |
| Kahf Ghbrat Tanuf | BCRA-T | Egypt |
| Kahf Hoti Cave System | BCRA-T | Oman |
| Kahf Khashayl (Funnel Cave) | NSS | Oman |
| Kalkdalgrotta | CSS | Norway |
| Kammelu Grotten | GC | |
| Kanabu Wulang, lower | BCRA-T | Indonesia |
| Kaninchenhohle | CC, CUCC | Austria |
| Kapongwe Cave | Wss | Malawi |
| Karabayir Dudeni | BCRA-T, SUSS | Turkey |
| Karakisla Magara | BCRA-T, SUSS | Turkey |
| Karkarous Gardinitsa | CC | Greece |
| Katerinska Jeskyne (Catherine Cave) | CSS | Czechoslovakia |
| Kathy’s Icebox | D, CANC | USA |
| Kathy’s Icebox | CANC, NSS | Canada |
| Katnot Cave | GC | |
| Kaumana Cave | BCRA-T | Hawaii |
| Kava Kuna | Stalactite | Papua New Guinea |
| Kazumura Cave | BCRA-T, NSS | Hawaii |
| Keay Hole | D, BPC | Scoska Moor |
| Kef Anefid | SUSS | Morocco |
| Kef Arab | SUSS | Morocco |
| Kef Bere | CC | Morocco |
| Kef Chada | CC | Morocco |
| Kef Chedaya | SUSS | Morocco |
| Kef Djebal Chikker | SUSS | Morocco |
| Kef el Khars | SUSS | Morocco |
| Kef Khaffafh | SUSS | Morocco |
| Kef Kourdiat | SUSS | Morocco |
| Kef Lahnash (Snake Pot) | CC | Morocco |
| Kef Naverine | SUSS | Morocco |
| Kef O Izoura | SOSS | Morocco |
| Kef Rouadi | CC | Morocco |
| Kef Tammershelt | SUSS | Morocco |
| Kef Toghobeit | B236 | Morocco |
| Kef Zarour | SUSS | Morocco |
| Kelco Caves | D | Giggleswick |
| Keld Bank Caves | ULSA, LS | |
| Keld Head | BCRA-CS, CDG, D, CDG-NSI | Kingsdale |
| Keldheads Cave | MSG | |
| Kelebekli (Cave of the Butterfly) | RRCPC | Turkey |
| Kelly’s Cave | D | Ireland |
| Keltic Cavern (Reads Cave) | BSA-CS, D | Somerset |
| Kenmare Cave | CPC | Killarny |
| Kents Cavern | B063 | |
| Kerswell Cave | BSA-CS | |
| Kettleness Alum Mines | MSG | N. Yorkshire |
| Khazad-Dum | CI | Tasmania |
| Kievskaya | B236 | USSR |
| Kilbeg Bay Caves | MSG | Killarny |
| Kilchrist Cave | MSG | Skye |
| Kilgreany Caves | IS | Co. Waterford |
| Killi Cave | E | Papua New Guinea |
| Killuragh Cave | IS | Ireland |
| Kilmurry Cave | IS | Co. Kerry |
| Kiln Pot | CPC | Barbondale |
| Kinder Brioschi | Speleologica | Italy |
| Kindo Cave | Speleologica | Ethiopia |
| King Arthur’s Cave | ISCA | Whitchurch |
| King Mine | SMCC | Mendip |
| King Pot | HWCPC, SP(D&N), LUSS, CC, D, NCC, CSS, CDG, CDG-NSI | Kingsdale |
| Kingsdale Head Cave | RRCPC | |
| Kingsdale Master Cave | see: West Kinsdale Master Cave | Yorkshire |
| Kirk Bank Cave | LS, ULSA | Upper Wharfedale |
| Kirk Bank Cave | RRCPC | Dentdale |
| Kirk Gill Pot | CPC | |
| Kirk Pot | LS, LUCC, RRCPC, D, CDG-NSI | Easegill |
| Kirkdale Cave | MSG | |
| Kisdon Cave | MSG | |
| Kitchen Gill Valley Pot | LUSS | |
| Kittle Hill Caves | BC | S. Wales |
| Kitts Cave | NSS | USA |
| Kittycross Cave | BC | |
| Kjorsvik Grotten | CPC | |
| Kloftgrotten | KCC | Norway |
| Klondike Pot | BPC | |
| Knacker Trapper Pot | NCC, LS | Chapel-le-dale |
| Knives, The cave of | GSG | Scotland |
| Knock Fell Caverns | GC, EN | N. Pennines |
| Knocken Pot | BSA-CS, GSG | |
| Knoglloch | BSA-CS | Austria |
| Knotlow Caverns | EPC, LS | Derbyshire |
| Knox Cave | NSS | USA |
| Kolkblaser – Monsterhohle System | IC | Austria |
| Koona Koter | D | |
| Krem Blang | B842 | Meghalaya |
| Krem Bsein | B842 | Assam |
| Krem Bylliat | Regards, B842 | India |
| Krem Chili | B842 | Meghalaya |
| Krem Hostage | B842 | Meghalaya |
| Krem Khlaw Song | B841 | Assam |
| Krem Khung | B842 | Meghalaya |
| Krem Labit Kseh | B842 | Meghalaya |
| Krem Labit Mynlin | B842 | Meghalaya |
| Krem Lad Phud Khongpong | NSS | India |
| Krem Lymbit | BCRA-T | India |
| Krem Lymmoh (Porcupine Cave) | B842 | Meghalaya |
| Krem Lymoh | B842 | Meghalaya |
| Krem Lymoh Canyon | B842 | Meghalaya |
| Krem Man Krem | B842 | Meghalaya |
| Krem Maw Rang Naisaw | NSS | India |
| Krem Maw Tynhiang | NSS | India |
| Krem Mawmluh | IC | India |
| Krem Pubon | BCRA-T | India |
| Krem Salang Sink | B842 | Meghalaya |
| Krem Shalong | B842 | Meghalaya |
| Krem Wah Myntngam | B842 | Meghalaya |
| Krestik | CC | Caucasus West |
| Kreuzhohle | NSS | Austria |
| Kristoffergrotten | CRG-T | |
| Kriznajama | CPC, RRCPC, SMCC | Slovenia |
| Krubera Cave (Voronja) | CC, NSS | Caucasus West |
| Krystallgrotten | CRG-T, WSG | Norway |
| Kudjal Yolgah | WSG | Australia |
| Kugelgartenhohle (Bowling Alley Cave) | BSA-CS | Austria |
| Kuhfladenschacht | SUSS | Austria |
| Kukaiau Cave (ThisCave and ThatCave) | NSS | Hawaii |
| Kula Kai Caverns | NSS | Hawaii |
| Kuling Hole | SP, YSS | |
| Kunga Cave | CANC | Canada |
| Kunia Priepast | BC | Yugoslavia |
| Kuroiwa-No-Yusen-No-Ana | CDG | Japan |
| Kuybyshevskaya | BCRA-T | Russia |
| Kuzan Bogazi Magara | SUSS | Turkey |
| Kvandalholn I & II | KCC, CC, BCRA-T | Norway |
| Kvisla Cave | B583 | |
| Kyle, Cave of the | GSG | Sutherland |
Back to Top Link to Club Code List
| La Ang Ang Kaip | BCRA-S | Cambodia |
| La Ang Kuan | BCRA-S | Cambodia |
| La Ang Taing Kluen | BCRA-S | Cambodia |
| La Boriza | OUCC | |
| La Borne aux Cassots | CSS | France |
| La Cavada | MUSS | N. Spain |
| La Caverena Escondida | NSS | Costa Rica |
| La Coverona | MUSS | N. Spain |
| La Cueva de Coucha Louva | BSA-CS | |
| La Cueva de la Murcielaguina de Hornes de Segura | Endins | Spain |
| La Cueva de las Lechuzas | MU | Peru |
| La Cueva de Puerta Pajar | CANC | Mexico |
| La Cueva de Rogelio Y Teresa | NSS | Mexico |
| La Cuevhch | MUSS | N. Spain |
| La Cuvia de la Vega | E | N. Spain |
| La Cuvia de Seldesuto | E | N. Spain |
| La Diau | SMCC | France |
| La Font Maure | D, CPC | Pyrenees |
| La Grieta | B236 | |
| La Grotta piu lunga del Laos settentrionale | Speleologica | Laos |
| La Grotte Casteret | RRCPC, CSS | Pyrenees |
| La Grotte de Guier Vif | LS | |
| La Grotte de la Merveilleuse a Dinant | Regards | Belguim |
| La Grotte du Docteur | BSA-CS | |
| La Pierre Saint-Matin (see: Pierre Saint-Matin) | ||
| La Preta | BSA-CC | |
| La Salida de Cruz Pilal | CANC | Mexico |
| La Sima de Callash Punta | BCSA-CS | |
| La Sima de Milpo | CANC, LS | Peru |
| La Sonnette | CSS | |
| La Systema de los Sabinos | CANC | Mexico |
| La Vega | E, Matienzo | N. Spain |
| La Verna | BCRA-B | |
| Labassas | Speleologica | Italy |
| Labyrintgrottan | CDG | Sweden |
| Labyrinth Cave | SMCC | USA |
| Ladd’s Lime Cave | NSS | USA |
| Lady Blue’s Underwater Fantasy | CDG-NSI | Wild Boar Fell |
| Ladypark Wood Cave | ISCA | Symonds Yat |
| Ladypark Wood Mine | BSA-P, ISCA | |
| Ladyside Pot | OCC, DCA | |
| Lagarto Cave | SWCC | Ecuador |
| Laglingarten Cave | GSG | Argyll |
| Lai Baba | BCRA-T | Indonesia |
| Laichinger Tiefenhohle | SP, WP | Germany |
| Lale Hole A.R.P.A. Cave | NSS | USA |
| Lama Lua Cave System | NSS | Hawaii |
| Lamb’s Leer | BC, B014, LS, BCRA-T, B841 | Somerset |
| Lamprechtsofen | CC, CI, B286, BC | Austria |
| Lancaster Hole | NPC, ULSA, D, BCRA-CSS, BSA-P, CRG, RRCPC, B, LS, MUSS, BCRA-B, CPC, CUCC, D, CDG-NSI | Casterton Fell |
| Lancaster Hole – Dark side of the Grind | D | Casterton Fell |
| Landlord Pot | WRPC | Langstrothdale |
| Langcliffe Pot | ULSA, LS, CDG | N. Yorkshire |
| Langgattwg Cave System, eastern zone | LS | |
| Langlang Tem | BCRA-T | New Guinea |
| Langsschnitt | BSA-CS, B770 | Austria |
| Langsteinschacht | B236 | Austria |
| Langstroth Cave | BPC, ULSA, SP, SUSS, CC, D | Wharfedale |
| Lapiaz du Ger | Regards | France |
| Lapphullet | CRG, LS, WSG | Norway |
| Larch Tree Hole | BPC | |
| Large Pot | NPC, CC, NCC, LS, D | Leck Fell |
| Larshullet | CRG, WSG | Norway |
| Lascaux Cave (La Grotte de Lascaux) | CPC, WP, B677, B795, B796, B797 | France |
| Lasgarn Quarry Cave | ISCA | |
| Lassintullich Caves 1 to 5 | GSG | Schichallion |
| Lathgill Head Cave | SUSS | |
| Lathgill House Cavern | BSA-CS | Derbyshire |
| Lathkill Head Cave | OCC, EPC, CC, TSG, LS | |
| Laubloch | SMCC | Switzerland |
| Lauknesfjellelgrotta | CPC, LS | |
| Lava Caves of Tenerife | SMCC | Tenerife |
| L’Aven d’Orgnac | BPC | France |
| L’Aven Grotte de Marzal | BPC | France |
| Lawfield Mine | GSG | East Lothian |
| Layby Pot | EPC | Derbyshire |
| Le Buum Tem | BCRA-T | New Guinea |
| Le Grand Chourun Clot | RRCPC | |
| Le Grande Souci | CDG | France |
| Le Pot II | CRG-N | France |
| Lead Mine Moss (area of) | LS | |
| Lease Rigg Whinstone Mine | MSG | E. Yorkshire |
| L’ebouleuse | Regards | |
| Lechugilla Cave | NSS, B798 | New Mexico |
| Leck Beck Head | BSA-B, CDG, RRCPC, CDG-NSI | Casterton Fell |
| Leck Fell Cave Systems, The | LS, BCRA-T, CDG-NSI | Leck Fell |
| Leck Fell Master Cave | CRG | Leck Fell |
| Led Cave | NSS | Peru |
| Ledbeg Cave | GSG | |
| Legacurragh Pot | CPC | |
| Legnagay Cave | D | Co. Fermanagh |
| Leirskarel v Grotta | GC | Norway |
| Lemeregamas L85 | Stalactite | Papua New Guinea |
| Lemy River Flood Sink | BSA-CS | |
| Lenny’s Cave | BCRA-S | Matienzo |
| Leon Sinks Cave | NSS | USA |
| Leprechaun Cave | NSS | Alaska |
| Lergrotte | BCRA-T | |
| Les Perrats | CANC | France |
| Lesine du Champ Guillobot | SMCC | France |
| Lesser Garth Caves | BCRA-T, BC, ISCA | Cardiff, near |
| Lesser Kelcow Cave | BSA-CS | |
| Lettenloch (Hausi-Oder Luegloch) | BSA-CS | Austria |
| LG3 Gargouff, — to LG10 | Regards | France |
| Liat Prah System | BCRA-S | India |
| Lilburn Cave | USA | |
| Lille Gaulstadgrottene | SWETC | Norway |
| Lille Graataaga | CRG-T | Norway |
| Lime Kiln Rake | GCC | Wales |
| Limekiln Kiln Resergnce | GSG | Applecross |
| Limestone Caverns | CANC | Canada |
| Linchmere Common Tunnels | CSS | Sussex |
| Ling Gill Scar Cave | NPC | |
| Lingmoor Cave | YORK | Yorkshire |
| Link Pot | BEC, CSS, CI, CUCC, LS, RRCPC | Leck Fell |
| Linley Limestone Mine | CDG | Derbyshire |
| Lionel’s Hole | BEC, B841 | Burrington Coombe |
| Lisengrotta | SP | |
| Lismorahaun House Cave | GSG | Co. Clare |
| Litli-Bjorn | SMCC | Iceland |
| Little Bull Pi | B584 | Derbyshire |
| Little Douk Cave | ULSA | |
| Little Edelweiss Shaft | BSA-CS | |
| Little Fell Pot | WRPC | Darnbrook |
| Little Gill Hole | MSG | |
| Little Hull Hole (Pot) | LS, B251, LS, CDG-NSI | Penyghent |
| Little Meregill Hole | ULSA, CPC | |
| Little Neath River Cave | BEC, WSG, NMCC, CDG, CC, UBSS, LS, MC, ISCA, BC | Ystradfellte |
| Little Peaked Mountain Cave | NSS | USA |
| Little Pot | NCC | Leck Fell |
| Little Rift | CPC | |
| Little Stream Cave | CANC | Canada |
| Littlewood Cave | MUSS | Foxup |
| Liu Chi Aokou (Xia) Dong | China Caves | China |
| Liu Jia Wan Dong | China Caves | China |
| Liu Jiao Wan Dong | China Caves | China |
| Lizard Pot | CPC | |
| Llamigo Cave | OUCC | N. Spain |
| Llanelly Quarry Pot | D, CC, CSS, LS | |
| Llangynog Slate Mine | CWM | S. Wales |
| Llewellyn Glacier Cave | CANC | Canada |
| Lliwedd Copper Mine | GCC | Wales |
| Llygad LLwchwr Cave | BC, CWM, ISCA | Wales |
| Llygad Llwechwr | D, SWCC, CDG, B222, CSS | |
| Llyn Ochin Pot | B663 | NE Wales |
| Lo Marge | Endins | Mallorca |
| Lo Ten | China Caves | China |
| Lobergsgrottan | BC | Sweden |
| Lock Hole Caves 1 & 2 | GSG | Schichallion |
| Lockey Gill Pot (Cave) | BSA-J, BSA-B, MUSS, WSG | |
| Locust Creek Cave | CANC, NSS | USA |
| Lodmore Hole | BEC | Yoxton |
| Loferer Schacht | NSS | Austria |
| Lofthellir | SMCC | Iceland |
| Logarcek | SMCC | Slovenia |
| Lolly Scar Lead Mine | ULSA, LS | |
| Long Cave | BC | |
| Long Churn (see Upper and lower Long Churn) | GC | Yorkshire |
| Long Drop Cave | GC, ULSA, CC, BCRA-T | |
| Long Gour Cave (System) | D, BRPC | Storrs Common |
| Long Kin East Pot | CRG-N, YSS | |
| Long Kin West | KCC, GC | Yorkshire |
| Long Qi Dong | NSS | China |
| Long Scar Caves 1, 2 & 3 | MSG | Long Sleddale |
| Longgong Dong | China Caves | China |
| Longhorn Cavern | USA | |
| Longrake Founder Shaft | D | |
| Longstone Edge Mines | LS | Forest of Dean |
| Longtan Dong | China Caves | China |
| Longwood Swallet | BSA-CS, B014, D, LS, MCG, BCRA, B841, UBSS | |
| Lookout Cave | YSS | |
| Lookout Rift | Dorset | |
| Loop Cave | SUSS | Yorkshire |
| Loophole | MSG | |
| Lords Hole | BSA-B | |
| Los Tayos | CPC, GSG, RRCPC, YSS, LS | Ecuador |
| Los Tres Ojos de Agua | D | Dominican Republic |
| Losers’ Pot | D, BPC | Penyghent |
| Lost Caverns System | BRPC | Ingleton |
| Lost Johns | CRG-T, LUCC, NCC, BCRA-T, CC, LS, KCC, WSG, D, CDG-NSI | Leck Fell |
| Lost Nigel’s Cave | CPC | Spain |
| Lost Pool Sink | MSG | Gretadale |
| Lost Pot | NPC, BCRA-T, LS | Leck Fell |
| Lost Richard Cave | CANC | Canada |
| Lost Waters, Cave of the | WSG | Norway |
| Lot Farm Shaft Cave | GCC, B663 | N. Wales |
| Lovergill East Cave | MSG, CPC | |
| Lovergill Sink Cave | MSG, CPC | |
| Lovstad Grotten | CRG-T, CDG, SWETC | Norway |
| Low Bottom Cave | YSS | Coverdale |
| Low Douk Cave | NPC, SP, LS, SUSS, NCC, D | Kingsdale |
| Low Elgin’s Hole | YURT | Nidderdale |
| Low Hall Cave | KCC | Dentdale |
| Low Tide Cave | NSS | USA |
| Lower Arch Cave | BRPC | Ingleton |
| Lower Calesdale Cave | SP(D&N), EPC | |
| Lower Ceirog Cave | SMCC | N. Wales |
| Lower Cheshire Wood Cave | D | Manifold Valley |
| Lower Cullaun Zero | WRPC | |
| Lower Easegill Cavern | see: Pegleg Pot | Leck Fell |
| Lower Flood Entrance | MCC | Mendip |
| Lower Hardgill Pot | LS | |
| Lower Kirk Cave 6 | RRCPC | Easegill |
| Lower Lake Sink Cave | BCRA-T | Canada |
| Lower Ling Gill Cave | WRPC | |
| Lower Long Churn Cave | ULSA, LS, BCRA, GC | Yorkshire |
| Lower Natural Bridge | NSS | California |
| Lower Otter Hole | GSG | |
| Lower Scar Hill Cave (& east) | WRPC | |
| Lower Stone Farm Cave (Untere Steingut hohle) | BSA-CS | Austria |
| Lower Traligill Cave | CRG-T, GSG | Sutherland |
| Loxton Cavern | BEC, D, UBSS, B841 | Mendip |
| Lrem Khlieh Mynsngad | B842 | Meghalaya |
| Lubang Angin (Cave of the Winds) | CI | Sarawak |
| Lucayan Cavern | B728 | Grand Bahama |
| Ludwell Cave | BEC, MC | Somerset |
| Lukina Jama | IC | Croatia |
| Lumb Hole | SP(D&N) | Derbyshire |
| Lummelundagrottorna | BC | |
| Lundy Caves | CSS | Lundy |
| Lunehea Mine (and Cavern) | MSG | |
| Lungehohle | BCRA-CC | Austria |
| Luwang Bandung | BCRA-T | Java |
| Luwang Bedesan | BCRA-T | Java |
| Luwang Bendo | BCRA-T | Java |
| Luwang Blekonang | BCRA-T | Java |
| Luwang Bodeh | BCRA-T | Java |
| Luwang Buhputih | BCRA-T | Java |
| Luwang Buriomah | BCRA-T | Java |
| Luwang Butiung | BCRA-T | Java |
| Luwang Ceblok | BCRA-T | Java |
| Luwang Cikal | BCRA-T | Java |
| Luwang Daren | BCRA-T | Java |
| Luwang Demplo | BCRA-T | Java |
| Luwang Gandek | BCRA-T | Java |
| Luwang Gebang | BCRA-T | Java |
| Luwang Gedilan | BCRA-T | Java |
| Luwang Gondang | BCRA-T | Java |
| Luwang Goplak | BCRA-T | Java |
| Luwang Jalak Bromo | BCRA-T | Java |
| Luwang Jaran | BCRA-T | Java |
| Luwang Jati | BCRA-T | Java |
| Luwang Jero | BCRA-T | Java |
| Luwang Jomblang (site 10) | BCRA-T | Java |
| Luwang Jomblang (site 175) | BCRA-T | Java |
| Luwang Jurangjero | BCRA-T | Java |
| Luwang Kamal | BCRA-T | Java |
| Luwang Karang | BCRA-T | Java |
| Luwang Karang Lamper | BCRA-T | Java |
| Luwang Kenteng | BCRA-T | Java |
| Luwang Ngepoh | BCRA-T | Java |
| Luwang Ngiratan | BCRA-T | Java |
| Luwang Ombo | BCRA-T | Java |
| Luwang Pace | BCRA-T | Java |
| Luwang Pileirang | BCRA-T | Java |
| Luwang Pongkok | BCRA-T | Java |
| Luwang Puniran | BCRA-T | Java |
| Luwang Seban | BCRA-T | Java |
| Luwang Seropan | BCRA-T | Java |
| Luwang Serpeng 2 | BCRA-T | Java |
| Luwang Setro | BCRA-T | Java |
| Luwang Sindon | BCRA-T | Java |
| Luwang Soga | BCRA-T | Java |
| Luwang Soka | BCRA-T | Java |
| Luwang Songjembal | BCRA-T | Java |
| Luwang Soroiten | BCRA-T | Java |
| Luwang Suru | BCRA-T | Java |
| Luwang Telaga Pilah | BCRA-T | Java |
| Luwang Tong Pocot | BCRA-T | Java |
| Luwang Towati | BCRA-T | Java |
| Luwang Watukebu | BCRA-T | Java |
| Luwang Wotawati | BCRA-T | Java |
| Lymoh Pots | B842 | Meghalaya |
| Lynkirk Cave | MSG | |
| Lynx Cave | SMCC | Painton Zoo |
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| M2 | BCRA-T, Regards, CC | Spain |
| M2 Blue Cave | NSS | USA |
| M4 | BCRA-T | Canada |
| Ma Phong Sui Tong | SMCC | Thailand |
| MacDonald’s Folly | CSS | Mendip |
| Macizo de Mortillano | Regards | Spain |
| Mad Pot | IS | Co. Fermanagh |
| Magharet el Kassaret | D | |
| Magnetometer Pot | NPC, ULSA, CC, CUCC, LS, CDG-NSI | Fountains Fell |
| Magnum Pot | GSG | Argyll |
| Main Drain Cave | NSS | Utah |
| Majlis Al Jinn | NSS | Oman |
| Maldon School Cave | BSA-CS | |
| Malham Cove Rising | YSS, CPC, CDG, CDG-NSI | Malham |
| Maliu Kang | China Caves | China |
| Mam Tor Swallet | B584 | Derbyshire |
| Mamilchhohle | Stalactite | |
| Mammoth Cave | BC, LS, | Kentucky |
| Mangaia Caves | CANC | Cook Islands |
| Mangle Hole | D | |
| Mangrove Cay Blue Holes 32 & 33 | BCRA-T | Andros |
| Manjang Cave | NSS | Korea |
| Manor Farm Swallet | BEC, D, UBSS, B841 | Mendip |
| Maple Leaf Cave | NSS | Missouri |
| Marble Arch Cave | B031, CUCC, D | Co. Fermanagh |
| Marble Cave | BCRA-T | Sarawak |
| Marble Pot | CC, LS | Allotment |
| Marble Sinks | SP, ULSA, CPC, LS | |
| Marble Steps Pot | LUCC, D, NMCC, ULSA, LUPC, GSG, NCC, LS | Yorkshire |
| Marcupine Pot | CANC | Canada |
| Mardiko Letzia | CUCC | Pyrenees |
| Marilyn (Gaping Gill) | D | N. Yorkshire |
| Markham Cave | BCRA-T | Australia |
| Marley Stalactite Cave | BCRA-T | Jamaica |
| Maskhill Mine | LS, B546 | |
| Masson Box Complex (Cave & Mine) | DCA, PDMHS, Masson audit | Matlock |
| Masson Sough Mine | PDMHS | Matlock |
| Matienzo | D | Spain |
| Matka Vrelo | Regards | Macedonia |
| Matthew#1 | Falls 1987 | USA |
| Mauna Ulu Lave Caves | BCRA-T | Hawaii |
| Mausefalle | Jahresheft | Austria |
| Maxwelton Sink Cave | NSS | USA |
| Maya Steps, Cave of the | NSS | Belize |
| Mayday Hole | CPC | |
| Mazarrasa | LUSS, BCRA-T | N. Spain |
| Maze Holes | MSG | |
| Mbetilonga Cave | NSS | Soloman Islands |
| McFail’s Cave | NSS | USA |
| McGanns Cave | IS | Co. Clare |
| McGovern’s Cave | SMCC | Fermanagh |
| McShea’s Mine (Green Laids Pot) | LS | West Kingsdale |
| Me No Sen Cave | BSA-CS | |
| Meander Cave | CWM | S. Wales |
| Meandro dei traumi Facciali (CL32) | Mondo Sotterraneo | Italy |
| Mearley Quarry Cave | UBSS (B722P) | Lancashire |
| Mebikombogo Cave | SUSS | Papua New Guinea |
| Meduza | NSS | Croatia |
| Meekons Cave | GSG, CDG | Skye |
| Melidon Cave | BC | Crete |
| Melloch Mine Cave | GSG | Scotland |
| Mendips Cave | CANC | Canada |
| Mercavity Cave | MC | Avon Gorge |
| Mercer Caverns | WSG | USA |
| Meregill Hole | CDG-NSI | Chapel le dale |
| Meregill Hole | ULSA, CI, LS, BSA-CS | Ingleborough |
| Meregill Skit | CDG-NSI | Chapel le dale |
| Meridian Pot | CC | Leck Fell |
| Merlins Cavern (Cave) | BSA-CS, EPC, CWM, ISCA | Stoney Middleton |
| Mermaids Hole | IS, CDG, D, ISCA | Co. Clare |
| Merosomados | SUSS | Crete |
| Meta Rift Cave | OCC | |
| Miao Keng | D | China |
| Middle Earth | YSS | New Zealand |
| Middle Flood (waterwheel Swallet) | MCG | Mendip |
| Middleton Dale Mines | BSA-CS | |
| Midge Hole | CDG, CDG-NSI | Chapel le dale |
| Midnight Hole | LCMRS | |
| Migovec System, The | CC, Regards, ICCC, IC, WSG | Slovenia |
| Mill Bridge Cave | CANC | Canada |
| Mill Hill Sand Mine | YSS | Pontefract |
| Mill Pot | LS | |
| Millerton Lake Cave System | NSS | USA |
| Milwr Tunnel | D, B464, GCC, B664 | Flintshire |
| Mina des Cami | Endins | Mallorca |
| Minas de los Ingleses | RRCPC | N. Spain |
| Mine Pits, The | ISCA | Taffs Well |
| Miner Diversion Cave | NSS | Alaska |
| Minera Caves | GCC | Wales |
| Miners Hole | SUSS | |
| Minigill Cave | CANC | Vancouver Island |
| Mir Hole | RRCPC | |
| Miss Grace’s Lane Cave | D | Gloucestershire |
| Mitchelstown New Cave | B031 | |
| Mithia Kabarthura | CC | Crete |
| Mitterhornlhohle | SUSS | Austria |
| MM Mine | D | Somerset |
| MN 53 | WSG | Caucasus |
| Moche Borago Gongola | Speleologica | Ethiopia |
| Mohole, The | D, BEC, LS | Kingsdale |
| Moinhos Velhos (Great Cave) | CRG-T | Portugal |
| Moking Hurth (& Pot) | CRG-T, MSG, D | Teesdale |
| Mollebekkgrotten | BCRA-T, SWETC | Norway |
| Molnaaga Sinks | GC | |
| Monastir Cliff Pot | SMCC, LS | Ireland |
| Monastir Sink | CDG | Ireland |
| Monday Mine | TSG | Derbyshire |
| Mondhohle | B236 | Austria |
| Moneen Cave | D | Co. Clare |
| Mongo Gill | SP, CPC, NCC | Greenhow |
| Monkey River | NSS | USA |
| Monk’s Wood Cave | BCRA-T | N. Yorkshire |
| Monster Cliff System | ULSA | |
| Monte Enaso, Caves of | BCRA-T | Spain |
| Monte Kronio Stufe di S.Calogero | Mondo Sotterraneo | |
| Moonyee Cave | NSS | Saipan |
| Moorfurlong Mine | BCRA-CS | Bradwell |
| Moose Cave | DCA | Castleton |
| Morgans Pond Cave | BCRA-B, D | Jamaica |
| Morlais Quarry Caves | ISCA | |
| Morris Cave | CSS, NSS | USA |
| Mossdale Caverns | ULSA, SP, BSA-P, LS, B187, BSA-CS, RRCPC, LS398, SMCC | |
| Mossdale Scar, Caverns of | BSA-CS, MC | |
| Mossy Hollow Cave (Uahm an Cos Mointeachail) | GSG | Skye |
| Moth Cave (Ogof Gwyfyn) | CWM | |
| Mother Grundy’s Parlour | MSG | |
| Mother Mac’s Gully Hole | CRG-T | Jamaica |
| Mottram St Andrew Mine | B830 | Alderley Edge |
| Motts Hole | BPC, BCRA-T | Gowerdale |
| Moughton Nab, Caves of | CPC | Yorkshire |
| Moulin, the | BCRA-T | Canada |
| Mount Megunticook Cave | NSS | USA |
| Mount Nemo Cave | CANC | Canada |
| Mount Noll Hole | CRG-T | Jamaica |
| Mount Pleasant Cave | GCC | Wales |
| Mousegill Cave | MSG | West Stainmore |
| Movile Cave | D | Romania |
| Mr Sparkler’s Glory Hole | D, YORK | Old Byland |
| Mrtvo jezero (See des Todes) | BCRA-T | |
| MSG Hole (see: Mr Sparksler’s Glory Hole) | ||
| Mud Slide Cave | SUSS | Skye |
| Mudfoot Hole | RRCPC | Ingleborough |
| Mudstone Hole | BCRA-T | New Guinea |
| Mullamullang Cave | SP | |
| Mullinahone Tunnel Cave | IS | Co. Tipperary |
| Murhill Gull Cave | SMCC | Bath |
| Murton Cave | BCRA-T | N. Yorkshire |
| Music Hall Rising | IS | Co. Kerry |
| Mustard Pot | MUSS | |
| Muttseehohle | Stalactite | |
| Mystery Cave | CANC | Canada |
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