| a Survey | Where to be found | Additional Information | |||
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| T 207 | E, BCRA-T | N. Spain | |||
| T Pot | MCG | Derbyshire | |||
| Tabor Cave | B718 | Yugoslavia | |||
| Taddington Dale Mine | OCC | ||||
| Tadpole Resergence | GSG | Kishorn | |||
| Tan yr Ogof | BSA-B, GCC | N. Wales | |||
| Tang Baan | OUCC | Sarawak | |||
| Tang Chi | OUCC | Sarawak | |||
| Tang Paraba | OUCC | Sarawak | |||
| Tang Sayah | OUCC | Sarawak | |||
| Tang Toka (Spider Cave) | OUCC | Sarawak | |||
| Tangle River Caves | BSA-CS | ||||
| Tank Pot | ULSA | ||||
| Tankard Hole | BEC | ||||
| Tao Wan Dong | China Caves | China | |||
| Tassie Pot | MSG | ||||
| Tatham Wife Hole | ULSA, LUCC, SP, LS | ||||
| Teampall Shetru | LUCC | ||||
| Tearsall Pipe Cavern No.2 | CC, DCA | Derbyshire | |||
| Tecumseh | NSS | Wisconsin | |||
| Tegelve | E | Papua New Guinea | |||
| Tekbil Tem | BCRA-T | Papua New Guinea | |||
| Temnata Dubka | SUSS | Bulgaria | |||
| Temple, The | CANC | Canada | |||
| Tere | E, CI, CC, BCRA-T | N. Spain | |||
| Terikan River Cave (Gua Sungai Terikan) | CI | Sarawak | |||
| Tete Sauvage | BSA-B | ||||
| Tetengkol Balwakol | IC | India | |||
| Thackthwaite Beck Cave | NCC | ||||
| Thailand | CSS | ||||
| Tham Khamtay | BCRA-S | Laos | |||
| Tham Ma Liong | BCRA-S | Laos | |||
| Tham Nam Long | BCRA-S | Laos | |||
| Tham Pha Phueng | D | Thailand | |||
| Tham Xang Lot | BCRA-S | Laos | |||
| Thanksgiving Cave | CANC | Canada | |||
| Thanksgiving Cave | CANC | Vancouver Is. | |||
| The Borehole (see Borehole) | |||||
| The Churns (see Churns) | |||||
| The Mine | BC | S. Wales | |||
| Thesausus Fragilis (Sima M921) | Regards | Spain | |||
| Thistle Cave | NRCG | ||||
| Thomas Evans Shaft Dig | GCC | Wales | |||
| Thoragill Cave | DCA, CPC | Darnbrook Fell | |||
| Thorley Hall - Underground Passage | CSS | ||||
| Thorns Gill | GC, SP, OUCC, CSS | ||||
| Thorswood Copper Mine | LS, DSG | ||||
| Three Counties System | CUCC, LS | N. England | |||
| Threlkeld Side Mine Cave | MSG | Vale of Eden | |||
| Thrupe Lane Swallet | D, WSG, BEC, WCC, CDG | ||||
| Thrutch Cave (also known as Fossil Cave) | CRG-T | ||||
| Thrutch Cavern | CRG-T, DCC | Portland | |||
| Thunder Road | CANC | Canada | |||
| Thurston's Tube | BCRA-T | Hawaii | |||
| Tiankeng | BCRA-T | ||||
| Tianxing System | D, BCRA-S | China | |||
| Tiddeman's Pot | CPC | Ingleborough | |||
| Tier Duct | NSS | Canada | |||
| Tillson's Dig | GSG | Sutherland | |||
| Tilly Whim Caves | ISCA | Swanage | |||
| Timpony Joint | CDG | Greenhow Hill | |||
| Tin Pot Two | D, RRCPC | Chaple le dale | |||
| Tinas Tepe, caves of the | BCRA-T, SUSS | Turkey | |||
| Tinker's Pit | EPC, DCA | Derbyshire | |||
| TLU-685 Buca Gofredo | Speleologica | Italy | |||
| Toad in the Hole | MUSS | Spain | |||
| Toerfjellhola | BCRA_T | Norway | |||
| Toimskar Stream Cave | BCRA-T | Norway | |||
| Tolladalgrotten 3 | SWETC | Norway | |||
| Tommy Graham's Cave | CI | Australia | |||
| Tonnelnaja | B332 | Uzbekistan | |||
| Toohey Ridge Cave System | CI | ||||
| Tooth Cave | BC | Devon | |||
| Tooth Cave | SWCC | Gower | |||
| Top Dig Cave | GSG | Perthshire | |||
| Topolnita | BC | Romania | |||
| Top Sinks (Top Sink Pot) | RRCPC, LS | Easegill | |||
| Top Tip | RRCPC | ||||
| Toraagagrotten | KCC | ||||
| Torca de Azpilicueta | E | N. Spain | |||
| Torca de Balcabosa | MUSS | Spain | |||
| Torca de Cellaron | MUSS | N. Spain | |||
| Torca de Coteron | MUSS, E | Spain | |||
| Torca de la Cabana | MUSS, E | ||||
| Torca de la Lastrilla | E | ||||
| Torca de la Maluca | CRG-T | ||||
| Torca de la Mega Mujer | E | N. Spain | |||
| Torca de Mustajo | MUSS | N. Spain | |||
| Torca de Papa Noel | BCRA-S | Spain | |||
| Torca de Regallon | OUCC | N. Spain | |||
| Torca de Simon | MUSS | N. Spain | |||
| Torca de Solviejo | MUSS | N. Spain | |||
| Torca del Avellano | MUSS | N. Spain | |||
| Torca del Carlista | BCRA-B, ULSA | Spain | |||
| Torca del Fuego | OUCC | N. Spain | |||
| Torca del Rayo de Sol | MUSS | N. Spain | |||
| Torca del Serruco | D | N. Spain | |||
| Torca del Somo | MUSS | N. Spain | |||
| Torca La Vaca | BCRA-S | N. Spain | |||
| Torca del Vasco | OUCC | N. Spain | |||
| Torca la Manga | OUCC | N. Spain | |||
| Torca Labarga | ULSA, SUSS, BCRA-T | N. Spain | |||
| Torca Magali - Sima de la Cornisa | Regards | Spain | |||
| Torca Piccodizo | SUSS | Spain | |||
| Torca Vizcayana | LUSS | N. Spain | |||
| Torn T-Shirt Cave | CC, ICCC | Slovenia | |||
| Toryukutu Cavern | BSA-CS | ||||
| Toss Pot | NCC | Leck Fell | |||
| Trapdoor Pot | D, CC, LS, RRCPC | Ingleborough | |||
| Treak Cliff Caves | CRG-T | ||||
| Treasure Hunter Caves | MU | USA | |||
| Treasury Sump | BSA-B | ||||
| Trebic Pot | BC | ||||
| Tree Hole | GSG, BEC | ||||
| Treefellers Pot | GSG | Appin | |||
| Triangle Cave | GSG | Kishorn | |||
| Trickle Pot | CSS | Norway | |||
| Tricklfall Hohle | BSA-CS | ||||
| Trident Cave | CDG, CPC | Penyghent Gill | |||
| Trinafour Caves | GSG | Perthshire | |||
| Trinafour Rising Cave | D | Perthshire | |||
| Tripa Pago-Palati (Ice Palace) | BCRA-CC | Greece | |||
| Triple Hole | BC, CSS, D | Norway | |||
| Troaaga | CRG-T | Norway | |||
| Trolldalsgrotta | CC | ||||
| Trou al Wesse | LS, DSG | ||||
| Trou Aux Eboulis | Regards | Belguim | |||
| Trou Bernard | CPC, ICCC, CSS, CROY | Belguim | |||
| Trou d'Anaffed | LUCC | ||||
| Trou de la Corde | CROY | Belguim | |||
| Trou de Jallau | Regards | France | |||
| Trou de L'Eglise | CROY | Belguim | |||
| Trou des Flammes | ULSA, LS | ||||
| Trou des Trois Sueurs | LUCC | ||||
| Trou d'Haquin | CSS, CROY | Belguim | |||
| Trou du Glaz | LUCC, CRG-T, MUSS, B236, SWCC | ||||
| Trou Manto | BSA-CS | ||||
| Trou Ozer | Regards | Belguim | |||
| Trou Souffleur | Regards | Belguim | |||
| Trou Souffleur des Racines | SCAL | ||||
| Trou Weron | CSS, CROY | Belguim | |||
| Trous Qui Souffle | CSS | Vercors | |||
| Trudehullet | CC | Norway | |||
| Trunkenboldschacht | B236 | Austria | |||
| Tub Holes | KCC | ||||
| Tube, The | CANC | Canada | |||
| Tuckers Orchards Cave | BSA-CS | ||||
| Tulleraaga | CRG-T | Norway | |||
| Tullich Mine | GSG | Perthshire | |||
| Tumbledown Pot | BCRA-T | Norway | |||
| Tunichil Muknal | CC, NSS | Belize | |||
| Tunel II de Gallardo | Espeleo Sie | Spain | |||
| Tunnel (Cascade Guacharo) Cave | BC | Colombia | |||
| Tunnel Cave | CRG-P, D, LS, SWCC | S. Wales | |||
| Tunnel Cave Flood Rising | CDG | S. Wales | |||
| Tunnel, The | CRG-T | W. Australia | |||
| Tunnockschacht | BCRA_S | Austria | |||
| Tuonela Cave | GSG | Schichallion | |||
| Tuoneta Cave | GSG | ||||
| Turbury Pot | HWCPC | ||||
| Turkey, the caves of | B311 | Turkey | |||
| Turkeyland Cave | MUSS | Isle of Man | |||
| Tutman's Hole | MSG, YURT | Alston | |||
| Twang Cave | D | Dentdale | |||
| Twin Pots Hole | BSA-CS | ||||
| Twin Traverse Tome | CPC | New Zealand | |||
| Twinkle Cave | YSS | Langcliffe Scar | |||
| Two Level Cave | BCRA-T | Norway | |||
| Ty Mawr Reservoir Sink | GCC | Wales | |||
| Tyning Farm Cave | MCG, BEC, D, GSG | ||||
| Tyning's Barrow Swallet | MCG, BEC, D, GSG, WCC | ||||
| Tynings Farm Cave | D | Mendip | |||
| Tyre Pit Quarry Pit | OCC | ||||
| U Boat Cave | GSG | Schichallion | |||
| Uamh A Chomhaichag | B225 | ||||
| Uamh A'Bhruthaich Chais Fhada | GSG | Argyll | |||
| Uamh An Ard Achadh | BCRA-T, B225, GSG | ||||
| Uamh An Claonnaite | GSG, SWCC, BC, D, B225, CDG | Sutherland | |||
| Uamh An Coire Domhain | GSG | Sutherland | |||
| Uamh An Doineann (Storm Cave) | GSG | Sutherland | |||
| Uamh An Gobha (Blacksmith's Cave) | GSG | Applecross | |||
| Uamh An Poll Eoghainn | GSG, B225 | Sutherland | |||
| Uamh An Poll-Sneachda | GSG | Schiehallion | |||
| Uamh An Ros | GSG | Appin | |||
| Uamh An Sgoltaidh Fhada | GSG | Argyll | |||
| Uamh An Tartair | CRG-T, SUSS, GSG | ||||
| Uamh An Tobair Dhuibh | GSG | Argyll | |||
| Uamh An T-Sasunnaich | GSG | Sutherland | |||
| Uamh An T-Shelf | BCRA-T | ||||
| Uamh An T-Sill | BCRA-T | ||||
| Uamh Ansgoltaich Fhada III | GSG | ||||
| Uamh A'Phuill (Pool Cave) | MSG | Skye | |||
| Uamh Ard | GSG | Sutherland | |||
| Uamh As Eugmhais Crioch | GSG | Sutherland | |||
| Uamh Cailleach Bheag Ruaivac | GSG | ||||
| Uamh Cailliche Peirearg | GSG | ||||
| Uamh Ceann Mullach A'Chlinne | BCRA-T | ||||
| Uamh Cinn Ghlinn | MSG, BCRA-T, D, B225 | Skye | |||
| Uamh Coile | BCRA-T | ||||
| Uamh Coire Sheileach | GSG, BCRA-B, B225 | Argyll | |||
| Uamh Cuimhne Caillte | GSG | Argyll | |||
| Uamh Cul Eoghainn | GSG, B225, | Sutherland | |||
| Uamh Ease Tom A Mhor Fhir | GSG | Schiehallion | |||
| Uamh Geo Nan Ron | GSG | ||||
| Uamh Gloine Bhriste (Cave of Broken Glass) | MSG, GSG | Skye | |||
| Uamh Gob Na H-Airde | GSG | ||||
| Uamh Mhor | CRG-T, SUSS, GSG | ||||
| Uamh Na Bocsa Leitranah Eachin | MSG | Skye | |||
| Uamh Na Duilean Briste | GSG, B225, MSG | Argyll | |||
| Uamh Na H-Uisge Bruthach | MSG | Skye | |||
| Uamh Na Mnathan Uasal An Duror | GSG | Appin | |||
| Uamh Na Sgoltaidh Dhuibe | D, GSG | Argyll | |||
| Uamh Nam Breagaire | GSG, B225, MSG | Rossshire | |||
| Uamh Nan Claig-Ionn | D, GSG, B225 | Appin | |||
| Uamh Nan Easgann | GSG | Skye | |||
| Uamh Nan Guthan | GSG | ||||
| Uamh Nan Scriob Fhada | GSG | Invernessshire | |||
| Uamh Nan Seobhrach | GSG | Appin | |||
| Uamh Nan Uachadar | GSG, D | Strathspey | |||
| Uamh Pharnassus | BCRA-T | ||||
| Uamh Rainseach | GSG | Argyll | |||
| Uamh Sgailte | BCRA-T | ||||
| Uamh Sgleinne | D, MSG | ||||
| Uamh Sqeinne | BCRA-T | ||||
| Uamh Steal Na Burich | GSG | Argyll | |||
| Uamh Tom A'Mhor-Fhir | GSG | Perthshire | |||
| Uamh Tom Na Fuine | GSG | Schichsllion | |||
| Uamha A'Bhriseadh-Duile | GSG, BEC | Sutherland | |||
| Ubley Hill Pot | LS | Somerset | |||
| Ucitelskaja | B332 | Uzbekistan | |||
| Uglegrotten | GC | Arctic Norway | |||
| Ulugh Beg | B332 | Uzbekistan | |||
| Ulysses Pot | BCRA-T | Greece | |||
| Uncle Charlie's Blue Hole | BCRA-T | Andros | |||
| Unnamed Iron Mine | D | N. Yorkshire | |||
| Unnamed Poi | CANC | Mexico | |||
| Untere Steinguthohle (Lower Stone Farm Cave) | BSA-CS | Austria | |||
| Upper Bincliff Mine | LS | ||||
| Upper Borrins Moor Cave | ULSA | ||||
| Upper Buckeye Creek Cave | CANC | Canada | |||
| Upper Canada Cave | D, BEC | Somerset | |||
| Upper Cawror Slack Adit | PDMHS | Derbyshire | |||
| Upper Cradle Hole | D, BCRA-S | Co. Fermanagh | |||
| Upper Flood | MCG | Mendip | |||
| Upper Flood Entrance | MCC | Mendip | |||
| Upper Flood Swallet | D, MCG, | Mendip | |||
| Upper Hesleden Beck, caves of | MUSS, WRPC, NPC | ||||
| Upper How Stean Caves | YURT | Nidderdale | |||
| Upper Lake Sink Cave | BCRA-T | Canada | |||
| Upper Long Churn Cave | ULSA, LS | ||||
| Upper Short Gill Cave | GSG, SWETC | Barbondale | |||
| Upper Store Caves | CRG-T | Norway | |||
| Upper Wilsons Cave | ULSA | ||||
| V. Iljukhin | BCRA-T | Russia | |||
| Valentine Hole | YURT | Greenhow Hill | |||
| Valley Head Cave | MSG | Skye | |||
| Valley of the Fonts | CDG | Mallorca | |||
| Vampire Cave/Pot | MSG | Skye | |||
| Vandima | IC | Slovinia | |||
| Vastrajordbacksgrottan | CDG | ||||
| Vatnhauggrotten | SWETC | Sweden | |||
| Vaucluse | B096 | France | |||
| Vecna Labuz | BC | Yugoslavia | |||
| Vega, La | see: La Vega | N. Spain | |||
| Vein Pot | NCC | ||||
| Verna, La | see: La Verna | ||||
| Versturzerloch | CI | Austria | |||
| Vesper Pot | D, SS | Kingsdale | |||
| Viaduck Sink | BEC | ||||
| Vicar's Bridge Mine | GSG | Scotland | |||
| Vicky Cave | BC | Columbia | |||
| Vietnam | BEC | Vietnam | |||
| Vigo Cave | B205 | ||||
| Vilenica Cave | B718 | Yugoslavia | |||
| Vixen Cave | BC | ||||
| Vjetrenica Cave | B718 | Yugoslavia | |||
| Volivoli Cave | BCRA-T | Fiji | |||
| Vomvospilia | SUSS | Crete | |||
| Voronja | CC | Caucasus West | |||
| Vottarino 1 | Mondo Sotterraneo | Italy | |||
| Vrima Ezeze | BPC | Albania | |||
| Vroom Closet | CANC | Canada | |||
| W!Wa Doum | OUCC | Botswana | |||
| W.S.R.S. System, The | MSG | Langdon Beck | |||
| Wailotua Cave | BCRA-T | Fiji | |||
| Waimaca Cave | BCRA-T | Fiji | |||
| Waimaqere Lava Cave | BCRA-T | Fiji | |||
| Wakebarrow Pot | D | Whitbarrow Fell | |||
| Wakulla Spring | CDG | Florida | |||
| Waldegrove Swallet | WCC | ||||
| Walkers Cave | BSA-CS | ||||
| Wapiabi Cave | CANC | Canada | |||
| Wards' Hill Quarry Cave | MSG | Northumberland | |||
| Ware Cave | BSA-CS | ||||
| Wareham's Cave | BEC | Somerset | |||
| Warm Holes | CPC | Saddleworth | |||
| Warm River Cave | Falls 1987 | USA | |||
| Warren Cave | CPC | Trollers Gill | |||
| Warren Cave | WP | Berkshire | |||
| Warton Crag - Higher & Lower | LCMRS | Carnforth | |||
| Warton Quarry Mine | NMRS | Lancashire | |||
| Washfold Pot | LS, CPC, D | Selside | |||
| Water Chute Cave | SUSS | Syke | |||
| Water Curtain Cave - C3-1 Shui Lian Dong | Hong Meigui | China | |||
| Water Gill Cave | CPC | ||||
| Water Icicle Close Cavern | EPC, DCA, LS, D | Derbyshire | |||
| Waterend Swallow Hole | CSS | ||||
| Waterfall Cave | CSS, LS | Clydach Gorge | |||
| Waterfall Cave / Hole | SWETC, CSS | Norway | |||
| Waterfall Sink | HUSS | Co. Fermanagh | |||
| Waterfall Swallet | BSA-CS, SUSS, TSG, D, DCA | Derbyshire | |||
| Waterfall Swallet (Crock Pot) | |||||
| Watermill Cave | CSS | ||||
| Waterpump Cave | MSG | Ireland | |||
| Waterways Swallet | OCC, D | Staffordshire | |||
| Waterwheel Swallet (Middle Flood) | MCG | Mendip | |||
| Watu Karamba Kondameha | BCRA-T | Indonesia | |||
| Weag's Bridge Resurgence Cave | OCC | Derbyshire | |||
| Weathercote Cave | NRCG | Chaple le dale | |||
| Weebubbie Cave | CI | Australia | |||
| Well Cave | GSG | Fife | |||
| Welsh's Green Swallet | BEC | Upper Milton Wells | |||
| Went Edge Rift | YSS | Pontefract | |||
| West Beastie Cave | GSG | Kishorn | |||
| West Kingdale Master Cave | SP, D, ULSA, CC, NCC, BB, CSS, LS, CPC, LUSS, BRPC | West Kingsdale | |||
| West Kingsdale System | ULSA, LS, SP, D, CC, NCC, BEC, CSS, CPC, CDG | West Kingsdale | |||
| West Mine | BC | Alderley Edge | |||
| West Ogwell Cave | BSA-CS | ||||
| West Pinhole | MSG | ||||
| West Side Pot | ULSA | ||||
| Westminster Mine | GCC | Wales | |||
| Whale Mine Engine Shaft | D | Derbyshire | |||
| Whatipu Caves | BC | New Zealand | |||
| Whirley Gill Pot | ULSA, LS | ||||
| Whistling Cave | CDG | Canada | |||
| Whitcliffe Scar Caves 1 & 2 | MSG | Richmond | |||
| White Cave | EPC, DCA, LS | Crete | |||
| White Creek Workings | NMRS | Lancashire | |||
| White Hole | CC, BCRA-T, CANC | British Columbia | |||
| White Lady Cave | ISCA | ||||
| White Pitt | BEC | ||||
| White River Cave | See: Robin Hoods Cave | ||||
| White Scar Caves | LS, ULSA, KCC, BCRA-T, BCRA-B | Ingleborough | |||
| Whitestone Cliff Foot Caves | BCRA-T | N. Yorkshire | |||
| Whitewell Cave | LUSS | Lancashire | |||
| Whitewell Pot | OUCC, BC | Lancashire | |||
| Whitfield Gill Cave | MSG | Wensleydale | |||
| Wiesalmhohle | CC, CSS | Austria | |||
| Wieseerloch | MUSS, CI | Austria | |||
| Wigmore Swallet | BEC, BC, D, CDG, MCG | Somerset | |||
| Wigpool Cave | BCRA-CS | Forest of Dean | |||
| Wigpool Iron Mine | BCRA-CS | Forest of Dean | |||
| Wild Almond Hole( Wildemandloch) | BSA-CS | Austria | |||
| Wildemandloch (Wild Almond Hole) | BSA-CS | Austria | |||
| Wild Horses. Cave of the | CSS, B205, D | Co. Clare | |||
| Wills Hole | BUSS, WSG, BC, ISCA | ||||
| Wilsons Cave | ULSA, LS | ||||
| Wilson's Cave | GSG | Ullapool | |||
| Wilson's Run Cave | BCRA-T | Jamaica | |||
| Windegg Mine Caverns | MSG, NCC, BCRA-T, B716 | ||||
| Windegy Mine Caverns | BSA-J | ||||
| Windgat | IC | Namibia | |||
| Windmore End Cave | MSG | ||||
| Windsor Hill Cave | BSA-CC | ||||
| Windy Dig | Dorset | Portland | |||
| Windy Knoll Cave | SUSS, B584 | Derbyshire | |||
| Windy Link Cave | CANC | Canada | |||
| Winford Ochre Mine (Redding Pits) | MCG | Winford | |||
| Winnats Head Cave | CC, BEC | ||||
| Winshaw Gill Pot | KCC, LS | Ribblehead | |||
| Winter Cave | LS | ||||
| Witches Cave | NPC, CDG | Easegill | |||
| Witches Pool Cave | MUSS | ||||
| Within Wall Mine | TSG | Derbyshire | |||
| Withyhill Cave | CSS | Fairy Cave Quarry, Somerset | |||
| Wizards Chasm | D | Langcliffe Scar | |||
| Wogans Cavern | ISCA | Pembroke | |||
| Wold End Cave | CC | Whernside | |||
| Wolfhohle | CC, CUCC | Austria | |||
| Womans Mine, The (Frauengrube bei St Pankraz) | BSA-CS | Austria | |||
| Wonderland Cave | RRCPC | ||||
| Wookey Hole | B014, BSA-J, B051, BCRA-B, SWCC, BEC, CC | ||||
| Wopper Cave | CSS | Cheddar | |||
| Wora-Wari | ACA | Java | |||
| Worthy Park Caves | CRG-T | Jamaica | |||
| Xian Ren Dong | China Caves '85 | China | |||
| Xiaoheli Yan | China Caves | China | |||
| Xizhen Yan | China Caves | China | |||
| Yad Moss Cave | MSG | Alston | |||
| Yan Feng Tuo Dong | China Caves | China | |||
| Yaxteel Ahau | NSS | Belize | |||
| Yellow Bag Cave | OUCC | N. Spain | |||
| Yellow Buddha Cave 1 & 2 | OUCC | Thailand | |||
| Yema Dong | China Caves '85 | China | |||
| Yerontovrahos Kathavothra | CC | Greece | |||
| Yew Cogar Cave | CPC, YSS, SS | ||||
| Yew Tree Cave | RRCPC | Witherslack | |||
| Yew Tree Pot | CPC | ||||
| Yoga Cave | EPC, DCA | Derbyshire | |||
| Yordas Cave | GC, SP, OUCC, CSS | N. Yorkshire | |||
| Yorkshire Pot | CANC | Canada | |||
| Ytelliutlopp | CDG | Norway | |||
| Ytterlihullet | KCC | Norway | |||
| Yunona Cave | BC | West Caucasus | |||
| Zebra Pot | GSG | Schichallion | |||
| Zn03 | E | Crete | |||
| Zn78 | E | Crete | |||
| Zn79 | E | Crete | |||
| Zn84 | E | Crete | |||
| Zn101 | E | Crete | |||
| Zodiac Caverns | D, CC, BCRA-T | Bahamas | |||
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