Updated 08/15/2026
Original list compiled by Dave Bunnell, 1998 then continued by Bob Gulden with frequent updates and corrections by Dave Bunnell.
Send updates and corrections to Cavemonpaul at hotmail.com
Copyright 2026 NSS Geo2, Paul Burger NSS 26452, FE, CM
Do not ask for cave locations, I will not give them out.
| Rank | Cave Name | Location | Region | Country | Length (m) | Length (ft) | |
|---|---|---|---|---|---|---|---|
| 1 | Matainaka Cave | Matanaka | Otago | New Zealand | 1540 | 5052.5 | |
| 2 | Skull Head Cave | Matanaka | Otago | New Zealand | 1120 | 3674.5 | |
| 3 | Erangi Point Cave | Bethells Beach | Auckland | New Zealand | 1040 | 3412.1 | |
| 4 | Noisy Cave | Matanaka | Otago | New Zealand | 645 | 2116.1 | |
| 5 | Mercer Bay Cave | Te Ahua Point | Auckland | New Zealand | 488 | 1601.0 | |
| 6 | Kotau Point Cave | Bethells Beach | Auckland | New Zealand | 485 | 1591.2 | |
| 7 | Gemma’s Cave | Matanaka | Otago | New Zealand | 421 | 1381.2 | |
| 8 | Pink Cathedral Cave | Matanaka | Otago | New Zealand | 419 | 1374.7 | |
| 9 | Lamb of the Lost Cave | Matanaka | Otago | New Zealand | 407 | 1335.3 | |
| 10 | Sea Lion Cave | Oregon | USA | 401 | 1315 | ||
| 11 | Luna Caverns | St.Agnes | Cornwall | UK | 380 | 1247 | |
| 12 | Painted Cave | Santa Cruz Island | California | USA | 374 | 1227 | |
| 13 | Waiahuakua Cave | Kauai | Hawaii | USA | 352 | 1155 | |
| 14 | Halvikshulen | Osen | Norway | 340 | 1115 | Relict sea caves; NSS Sea Cave page | |
| 15 | Lispingdalskyrka | Nordgutvik | Norway | 325 | 1066 | Relict sea caves; NSS Sea Cave page | |
| 16 | Trough Cove | SE Aberdeenshire | Scotland | UK | 323 | 1060 | |
| 17 | Cueva Tres Pisos | Baja California | California | Mexico | 316 | 1037 | |
| 18 | Lost and Found Cave | Te Ahua | Auckland | New Zealand | 313 | 1026.9 | |
| 19 | Calder’s Geo Cave/Arch | Papa Stour, Shetland | Scotland | UK | 310 | 1017 | |
| 20 | Trollhole nr. 2 | Reksten | Norway | 300 | 984 | Relict sea caves; NSS Sea Cave page | |
| 21 | Minesweeper Cave | Dunedin South Coast | Otago | New Zealand | 300 | 984.3 | est. unsurveyed |
| 22 | Waiwaipuhi Cave | Kauai, Hawaii | Hawaii | USA | 290 | 951 | |
| 23 | Puffgin Grotto | Tongass | Alaska | USA | 287 | 942 | |
| 24 | West Bay Cave | Papa Stour, Shetland | Scotland | UK | 286 | 938 | |
| 25 | Lendingargjogv | Mykinesholmur | Mykines | Faroe Island | 280 | 925 | |
| 26 | Sunbeam-by-the-Sea Cave | Punta Banda, Baja | Baja | Mexico | 270 | 886 | |
| 27 | Pt. Resistance Cave | Pt. Reyes Nat.Seashore | California | USA | 264 | 867 | |
| 28 | Great Fangs Cave | Dunedin South Coast | Otago | New Zealand | 259 | 849.7 | |
| 29 | Strabandra Knap Blowhole Cave | SE Aberdeenshire | Scotland | UK | 254 | 833 | |
| 30 | Hol o' Bordie | Papa Stour, Shetland | Scotland | UK | 250 | 820 | |
| 31 | Flute Cave | Dunedin South Coast | Otago | New Zealand | 250 | 820.2 | est. unsurveyed |
| 32 | Puffin Grotto | Noyes Island | Alaska | USA | 247 | 810 | |
| 33 | Catacombs Cave | Anacapa Island | California | USA | 246 | 807 | |
| 34 | Cathedral Cave | Anacapa Island | California | USA | 241 | 791 | |
| 35 | Forbidden Fissures | Santa Cruz County | California | USA | 241 | 791 | |
| 36 | Sandside Head Cave #2 | Thurso, Highland | Scotland | UK | 230 | 755 | |
| 37 | Sea Maze | San Luis Obispo County | California | USA | 229 | 751 | |
| 38 | Fogla Skerry [1] | Papa Stour, Shetland | Scotland | UK | 226 | 741 | |
| 39 | Waialoha Cave | Kauai, Hawaii | Hawaii | USA | 225 | 738 | |
| 40 | Virgin's Spring | Lundy Island, Devon | England | UK | 225 | 738 | |
| 41 | Francie’s Hole | Papa Stour, Shetland | Scotland | UK | 225 | 738 | |
| 42 | Bamboes Gat Guano Cave | Western Cape | South Africa | 215 | 705 | ||
| 43 | Henry’s Scorth E Cave | SE Aberdeenshire | Scotland | UK | 213 | 699 | |
| 44 | Drupkelder Cave | Eastern Cape | South Africa | 210 | 689 | ||
| 45 | Sand Hill Bluff Cave | Santa Cruz Co. | California | USA | 206 | 676 | |
| 46 | Jumbo Gumbo | Santa Rosa Island | California | USA | 205 | 673 | |
| 47 | Parallel Tunnels | Punta Banda, Baja | Baja | Mexico | 204 | 669 | |
| 48 | Láturgjógv | Eiði | Eysturoy | Faroe Island | 201 | 659 | Jan Egil Kristainsen email |
| 49 | Hols Hellier | Unst, Shetland | Scotland | UK | 200 | 656 | |
| 50 | Harbakkshulen | Stocksund | Norway | 200 | 656 | Relict sea caves; NSS Sea Cave page | |
| 51 | Castle View Cave | Dunedin South Coast | Otago | New Zealand | 200 | 656.2 | est. unsurveyed |
| 52 | Sandymount Cave | Otago Peninsula | Otago | New Zealand | 200 | 656.2 | est. unsurveyed |
| 53 | Teanaputa Cave | Otago Peninsula | Otago | New Zealand | 200 | 656.2 | est. unsurveyed |
| 54 | Prion Cave | Dunedin South Coast | Otago | New Zealand | 200 | 656.2 | est. unsurveyed |
| 55 | Rapid Cave | Dunedin South Coast | Otago | New Zealand | 200 | 656.2 | est. unsurveyed |
| 56 | Cathedral Cave | The Catlins | Otago | New Zealand | 199 | 652.9 | |
| 57 | Echoes of the Past Cave | Dunedin South Coast | Otago | New Zealand | 197 | 646.3 | |
| 58 | Shag Cave | Matanaka | Otago | New Zealand | 197 | 646.3 | |
| 59 | Bat Cave | Santa Cruz Island | California | USA | 190 | 623 | |
| 60 | Seal Canyon Cave | Santa Cruz Island | California | USA | 189 | 620 | |
| 61 | Rephelleren | Varö | Norway | 188 | 617 | Relict sea caves; NSS Sea Cave page | |
| 62 | Arch Cave | San Diego County | California | USA | 187 | 614 | |
| 63 | Green Grotto | Santa Cruz Island | California | USA | 180 | 591 | |
| 64 | Keyhole Rock Cave | Anacapa Island | California | USA | 180 | 591 | |
| 65 | Three Door Cave | Anacapa Island | California | USA | 180 | 591 | |
| 66 | Mackinnon's Cave | Isle of Mull, Strathclyde | Scotland | UK | 180 | 591 | |
| 67 | Seal's Cave | Lewis, Western Isles | Scotland | UK | 180 | 591 | |
| 68 | Dolsteinshulen | Sandön | Norway | 180 | 591 | Relict sea caves; NSS Sea Cave page | |
| 69 | Christie Hole | Papa Stour, Shetland | Scotland | UK | 179 | 587 | |
| 70 | Swiss Surprise Cave | Santa Cruz Island | California | USA | 176 | 577 | |
| 71 | Big Mother Cave | Santa Cruz Co. | California | USA | 173 | 568 | |
| 72 | Seal Hole Cavern | St.Agnes | Cornwall | UK | 172 | 564 | |
| 73 | Tonneshulen | Melfjord | Norway | 170 | 558 | Relict sea caves; NSS Sea Cave page | |
| 74 | P?ua Palace | Jacksons Bay | Westland | New Zealand | 170 | 557.7 | est. unsurveyed |
| 75 | Dance Hall Cave | Whatip? | Auckland | New Zealand | 166 | 544.6 | |
| 76 | Stalactite Cave | Arbroath | Scotland | UK | 165 | 541 | |
| 77 | Klæmintsgjógv-Húsagjógv | Eiði | Eysturoy | Faroe Island | 163 | 535 | |
| 78 | Torghatshullet | Brönnöy | Norway | 160 | 525 | Relict sea caves; NSS Sea Cave page | |
| 79 | Airplane Cave | Matanaka | Otago | New Zealand | 160 | 524.9 | est. unsurveyed |
| 80 | Bixby Landing Cave | Monterey County | California | USA | 158 | 518 | |
| 81 | Shark's Teeth Cave | Santa Cruz Island | California | USA | 158 | 518 | |
| 82 | Wolf's lair | Tongass | Alaska | USA | 156 | 510 | |
| 83 | Blue Grotto | isle of Kastellorizo | Dodecanese | Greece | 155 | 509 | |
| 84 | Troll Cavern | Whatip? | Auckland | New Zealand | 155 | 508.5 | |
| 85 | Dickmont’s Den Cave | Arbroath | Scotland | UK | 154 | 505 | |
| 86 | Mermaid Cave | Piha | Auckland | New Zealand | 153 | 502.0 | |
| 87 | Riko Riko Cave | Poor Knights Island | Northland | New Zealand | 153 | 502.0 | |
| 88 | South Seals Cave | NE Aberdeenshire | Scotland | UK | 152 | 499 | |
| 89 | Bass Rock Cave | North Berwick, Lothian | Scotland | UK | 150 | 492 | |
| 90 | Sandside Head Cave #1 | near Thurso, Highland | Scotland | UK | 150 | 492 | |
| 91 | Stromness | Shetland | Scotland | UK | 150 | 492 | |
| 92 | The Long Gallery | SE Aberdeenshire | Scotland | UK | 150 | 492 | |
| 93 | Uamh Freasgill [1] | Loch Eriboll | Scotland | UK | 150 | 492 | |
| 94 | Oumatjie Cave | Western Cape | South Africa | 150 | 492 | ||
| 95 | Gaupehulen | Bjugn | Norway | 150 | 492 | Relict sea caves; NSS Sea Cave page | |
| 96 | Rosvikshule | Solstad | Norway | 150 | 492 | Relict sea caves; NSS Sea Cave page | |
| 97 | Log Race Cave | Wait?kere | Auckland | New Zealand | 150 | 492.1 | est. unsurveyed |
| 98 | Hall of Whispers Cave | Matanaka | Otago | New Zealand | 150 | 492.1 | est. unsurveyed |
| 99 | Pebble Beach Cave | Dunedin South Coast | Otago | New Zealand | 150 | 492.1 | est. unsurveyed |
| 100 | Jacks Blowhole | The Catlins | Otago | New Zealand | 150 | 492.1 | est. unsurveyed |
| 101 | Cave of the Mists | Santa Cruz Island | California | USA | 149 | 489 | |
| 102 | Three Fingers Cave | Anacapa Island | California | USA | 149 | 489 | |
| 103 | Sarawak Chamber | Santa Cruz County | California | USA | 148 | 486 | |
| 104 | Tripple Slot | Western Cape | South Africa | 148 | 486 | ||
| 105 | Brei Holm | Papa Stour, Shetland | Scotland | UK | 146 | 479 | |
| 106 | Neptune's Trident East Fork | Santa Cruz Island | California | USA | 145 | 476 | |
| 107 | Sheep Rock | Fairisle, Shetland | Scotland | UK | 145 | 476 | |
| 108 | Cave of the Lost Soles | Mendocino County | California | USA | 142 | 466 | |
| 109 | Houle de la Banche | Cotes-d'Armor | Bretagne | France | 142 | 466 | |
| 110 | Half-Gone Cave | Anacapa Island | California | USA | 141 | 463 | |
| 111 | Point Buchon Cave | San Luis Obispo Co. | California | USA | 141 | 463 | |
| 112 | Dovethirl Cove S | SE Aberdeenshire | Scotland | UK | 140 | 459 | |
| 113 | Guano Cave | Eastern Cape | South Africa | 140 | 459 | ||
| 114 | Faille de Brezellec | Finistere | Bretagne | France | 140 | 459 | |
| 115 | Witch's Cauldron | Santa Rosa Island | California | USA | 139 | 456 | |
| 116 | Respiring Chimney Cave | Anacapa Island | California | USA | 137 | 449 | |
| 117 | M?ori Bay Cave | M?ori Bay | Auckland | New Zealand | 137 | 449.5 | |
| 118 | Blowhole Beach Big Cave | Piha | Auckland | New Zealand | 137 | 449.5 | |
| 119 | Painted Cave | Piha | Auckland | New Zealand | 137 | 449.5 | |
| 120 | Dry Cave | Matanaka | Otago | New Zealand | 134 | 439.6 | |
| 121 | P?ua Cave | Matanaka | Otago | New Zealand | 134 | 439.6 | |
| 122 | Hodden Hol | Foula, Shetland | Scotland | UK | 132 | 433 | |
| 123 | Cueva Valdez | Santa Cruz Island | California | USA | 131 | 430 | |
| 124 | Gaylet Pot Seacave | Arbroath | Scotland | UK | 131 | 430 | |
| 125 | Maniniholo Cave | Kauai | Hawaii | USA | 130 | 425 | |
| 126 | Shallow Beach Cave | Dunedin South Coast | Otago | New Zealand | 130 | 426.5 | est. unsurveyed |
| 127 | Cave of the Bird's Eggs | Santa Cruz Island | California | USA | 129 | 423 | |
| 128 | Frenchy's Cave | Anacapa Island | California | USA | 129 | 423 | |
| 129 | Starfish Cave | Anacapa Island | California | USA | 129 | 423 | |
| 130 | Cave of the Harbor Seals | Punta Banda | Baja | Mexico | 128 | 420 | |
| 131 | Victory Cave | Anacapa Island | California | USA | 126 | 413 | |
| 132 | Fogla Skerry [2] | Papa Stour, Shetland | Scotland | UK | 126 | 413 | |
| 133 | Peter's Creek Cove Cave | Mendocino County | California | USA | 125 | 410 | |
| 134 | Long Beach Cave | Otago Peninsula | Otago | New Zealand | 125 | 410.1 | |
| 135 | Painted Grotto | Santa Cruz Island | California | USA | 124 | 407 | |
| 136 | Cave of Bomahoy | NE Aberdeenshire | Scotland | UK | 124 | 407 | |
| 137 | Double Door Cave | San Luis Obispo Co. | California | USA | 123 | 404 | |
| 138 | Shipwreck Cave | Santa Cruz Island | California | USA | 123 | 404 | |
| 139 | Lady's Harbor Cave | Santa Cruz Island | California | USA | 122 | 400 | |
| 140 | Seastack Cave | Santa Cruz Island | California | USA | 122 | 400 | |
| 141 | Owl Cave | Tongass | Alaska | USA | 121 | 397 | |
| 142 | Culzean Castle Cave #3 | near Ayr, Strathclyde | Scotland | UK | 120 | 394 | |
| 143 | Papanikolis | Meganisi, Leucada | Greece | 120 | 394 | ||
| 144 | Rovers' Cave | Tobermory | Ontario | Canada | 120 | 394 | |
| 145 | Victor Cave | Whatip? | Auckland | New Zealand | 120 | 393.7 | |
| 146 | Arch Bypass Cave | Matanaka | Otago | New Zealand | 120 | 393.7 | est. unsurveyed |
| 147 | Complex Chasm | Anacapa Island | California | USA | 119 | 390 | |
| 148 | Room with many Windows | Punta Banda | Baja | Mexico | 119 | 390 | |
| 149 | Pt. Resistance Cave | Marin County | California | USA | 118 | 387 | |
| 150 | Cave of Coffin | NE Aberdeenshire | Scotland | UK | 118 | 387 | |
| 151 | Natural Bridge Cave | Santa Cruz Island | California | USA | 117 | 384 | |
| 152 | La Grieta | Anacapa Island | California | USA | 116 | 381 | |
| 153 | Grande grotte du Talut | Morbihan | Bretagne | France | 116 | 381 | |
| 154 | Watcomb Bay Cave | Isle of Wight | England | UK | 115 | 377 | |
| 155 | H’ Cave | SE Aberdeenshire | Scotland | UK | 115 | 377 | |
| 156 | Thunder Cave | Matanaka | Otago | New Zealand | 115 | 377.3 | |
| 157 | Great X Cave | Anacapa Island | California | USA | 113 | 371 | |
| 158 | Kalalau Landslide Cave | Kauai | Hawaii | USA | 112 | 367 | |
| 159 | Dry Sandy Beach Cave | Santa Cruz Island | California | USA | 111 | 364 | |
| 160 | Little River Pit | Mendocino County | California | USA | 111 | 365 | |
| 161 | Kalalau Beach Cave | Kauai | Hawaii | USA | 110 | 361 | |
| 162 | Fast Castle Head Cave | Berwick, Lothian | Scotland | UK | 110 | 361 | |
| 163 | Emerald Cave | isle of Milos | Cyclades | Greece | 110 | 361 | |
| 164 | Collapsing Cave | Anacapa Island | California | USA | 108 | 354 | |
| 165 | Little Scorpion Bay #2 | Santa Cruz Island | California | USA | 108 | 354 | |
| 166 | Outside Tunnel Cave | Anacapa Island | California | USA | 108 | 354 | |
| 167 | Smuggler's Cave | San Diego County | California | USA | 108 | 354 | |
| 168 | Surging T Cave | Santa Cruz Island | California | USA | 108 | 354 | |
| 169 | Surfing Tunnel | Santa Cruz County | California | USA | 107 | 351 | |
| 170 | Cormorant's/Mackinnon's Cave | Isle of Staffa, Strathclyde | Scotland | UK | 107 | 351 | |
| 171 | Lamba Ness Subterranean Passage | Papa Stour, Shetland | Scotland | UK | 107 | 351 | |
| 172 | Breathing Cave | Santa Cruz Island | California | USA | 106 | 348 | |
| 173 | Geo na Muirbhuaile | Hirta, St Kilda | Scotland | UK | 105 | 344 | |
| 174 | Cobblestone Cave | Western Cape | South Africa | 105 | 344 | ||
| 175 | Groot River Guano Cave | Western Cape | South Africa | 105 | 344 | ||
| 176 | Karekare Swamp Cave | Karekare | Auckland | New Zealand | 105 | 344.5 | |
| 177 | Midden Point Cave | Santa Cruz Island | California | USA | 102 | 335 | |
| 178 | Starfish Cave | Mendocino County | California | USA | 102 | 335 | |
| 179 | Dark Cave | Arbroath | Scotland | UK | 102 | 335 | |
| 180 | Cavern Point Cave | Santa Cruz Island | California | USA | 101 | 331 | |
| 181 | Pirate's Den | Kauai | Hawaii | USA | 101 | 331 | |
| 182 | Flamborough Head Cave #4a | Bridlington, Humberside | England | UK | 100 | 328 | |
| 183 | Livermore Head Sea Cave #5 | Torquay, Devon | England | UK | 100 | 328 | |
| 184 | Piper's Cave | Tresco, Isles of Scilly | England | UK | 100 | 328 | |
| 185 | Swimming Pool Cave | Dunedin South Coast | Otago | New Zealand | 100 | 328.1 | est. unsurveyed |
| 186 | Geodha na h-Airde | Hirta, St Kilda | Scotland | UK | 99 | 325 | |
| 187 | Cave of a Hundred Names | Matanaka | Otago | New Zealand | 97 | 318.2 | |
| 188 | North Piha 10 | Piha | Auckland | New Zealand | 90 | 295.3 | |
| 189 | Muriwai Gut | Muriwai | Auckland | New Zealand | 82 | 269.0 | |
| 190 | Lion Rock Cave | Piha | Auckland | New Zealand | 82 | 269.0 | |
| 191 | South Bethells Cave | Bethells Beach | Auckland | New Zealand | 80 | 262.5 | |
| 192 | Little Neighbour Cave | Dunedin South Coast | Otago | New Zealand | 80 | 262.5 | est. unsurveyed |
| 193 | Reflection Cave | Dunedin South Coast | Otago | New Zealand | 70 | 229.7 | est. unsurveyed |
| 194 | Mackinnon’s Cave | Staffa | Scotland | UK | 35 | 115 |