Updated 07/11/2026

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	Hol o' Bordie	Papa Stour, Shetland	Scotland	UK	382	1253
12	Luna Caverns	St.Agnes	Cornwall	UK	380	1247
13	Painted Cave	Santa Cruz Island	California	USA	374	1227
14	Waiahuakua Cave	Kauai	Hawaii	USA	352	1155
15	Halvikshulen	Osen		Norway	340	1115	Relict sea caves; NSS Sea Cave page
16	Lispingdalskyrka	Nordgutvik		Norway	325	1066	Relict sea caves; NSS Sea Cave page
17	Trough Cove	SE Aberdeenshire	Scotland	UK	323	1060
18	Cueva Tres Pisos	Baja California	California	Mexico	316	1037
19	Lost and Found Cave	Te Ahua	Auckland	New Zealand	313	1026.9
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	Flute Cave	Dunedin South Coast	Otago	New Zealand	250	820.2	est. unsurveyed
31	Puffin Grotto	Noyes Island	Alaska	USA	247	810
32	Catacombs Cave	Anacapa Island	California	USA	246	807
33	Cathedral Cave	Anacapa Island	California	USA	241	791
34	Forbidden Fissures	Santa Cruz County	California	USA	241	791
35	Sandside Head Cave #2	Thurso, Highland	Scotland	UK	230	755
36	Sea Maze	San Luis Obispo County	California	USA	229	751
37	Fogla Skerry [1]	Papa Stour, Shetland	Scotland	UK	226	741
38	Waialoha Cave	Kauai, Hawaii	Hawaii	USA	225	738
39	Virgin's Spring	Lundy Island, Devon	England	UK	225	738
40	Francie’s Hole	Papa Stour, Shetland	Scotland	UK	225	738
41	Bamboes Gat Guano Cave	Western Cape		South Africa	215	705
42	Henry’s Scorth E Cave	SE Aberdeenshire	Scotland	UK	213	699
43	Drupkelder Cave	Eastern Cape		South Africa	210	689
44	Sand Hill Bluff Cave	Santa Cruz Co.	California	USA	206	676
45	Jumbo Gumbo	Santa Rosa Island	California	USA	205	673
46	Parallel Tunnels	Punta Banda, Baja	Baja	Mexico	204	669
47	Láturgjógv	Eiði	Eysturoy	Faroe Island	201	659	Jan Egil Kristainsen email
48	Hols Hellier	Unst, Shetland	Scotland	UK	200	656
49	Harbakkshulen	Stocksund		Norway	200	656	Relict sea caves; NSS Sea Cave page
50	Castle View Cave	Dunedin South Coast	Otago	New Zealand	200	656.2	est. unsurveyed
51	Sandymount Cave	Otago Peninsula	Otago	New Zealand	200	656.2	est. unsurveyed
52	Teanaputa Cave	Otago Peninsula	Otago	New Zealand	200	656.2	est. unsurveyed
53	Prion Cave	Dunedin South Coast	Otago	New Zealand	200	656.2	est. unsurveyed
54	Rapid Cave	Dunedin South Coast	Otago	New Zealand	200	656.2	est. unsurveyed
55	Cathedral Cave	The Catlins	Otago	New Zealand	199	652.9
56	Echoes of the Past Cave	Dunedin South Coast	Otago	New Zealand	197	646.3
57	Shag Cave	Matanaka	Otago	New Zealand	197	646.3
58	Bat Cave	Santa Cruz Island	California	USA	190	623
59	Seal Canyon Cave	Santa Cruz Island	California	USA	189	620
60	Rephelleren	Varö		Norway	188	617	Relict sea caves; NSS Sea Cave page
61	Arch Cave	San Diego County	California	USA	187	614
62	Green Grotto	Santa Cruz Island	California	USA	180	591
63	Keyhole Rock Cave	Anacapa Island	California	USA	180	591
64	Three Door Cave	Anacapa Island	California	USA	180	591
65	Mackinnon's Cave	Isle of Mull, Strathclyde	Scotland	UK	180	591
66	Seal's Cave	Lewis, Western Isles	Scotland	UK	180	591
67	Dolsteinshulen	Sandön		Norway	180	591	Relict sea caves; NSS Sea Cave page
68	Christie Hole	Papa Stour, Shetland	Scotland	UK	179	587
69	Swiss Surprise Cave	Santa Cruz Island	California	USA	176	577
70	Big Mother Cave	Santa Cruz Co.	California	USA	173	568
71	Seal Hole Cavern	St.Agnes	Cornwall	UK	172	564
72	Tonneshulen	Melfjord		Norway	170	558	Relict sea caves; NSS Sea Cave page
73	P?ua Palace	Jacksons Bay	Westland	New Zealand	170	557.7	est. unsurveyed
74	Dance Hall Cave	Whatip?	Auckland	New Zealand	166	544.6
75	Stalactite Cave	Arbroath	Scotland	UK	165	541
76	Klæmintsgjógv-Húsagjógv	Eiði	Eysturoy	Faroe Island	163	535
77	Torghatshullet	Brönnöy		Norway	160	525	Relict sea caves; NSS Sea Cave page
78	Airplane Cave	Matanaka	Otago	New Zealand	160	524.9	est. unsurveyed
79	Bixby Landing Cave	Monterey County	California	USA	158	518
80	Shark's Teeth Cave	Santa Cruz Island	California	USA	158	518
81	Wolf's lair	Tongass	Alaska	USA	156	510
82	Blue Grotto	isle of Kastellorizo	Dodecanese	Greece	155	509
83	Troll Cavern	Whatip?	Auckland	New Zealand	155	508.5
84	Dickmont’s Den Cave	Arbroath	Scotland	UK	154	505
85	Mermaid Cave	Piha	Auckland	New Zealand	153	502.0
86	Riko Riko Cave	Poor Knights Island	Northland	New Zealand	153	502.0
87	South Seals Cave	NE Aberdeenshire	Scotland	UK	152	499
88	Bass Rock Cave	North Berwick, Lothian	Scotland	UK	150	492
89	Sandside Head Cave #1	near Thurso, Highland	Scotland	UK	150	492
90	Stromness	Shetland	Scotland	UK	150	492
91	The Long Gallery	SE Aberdeenshire	Scotland	UK	150	492
92	Uamh Freasgill [1]	Loch Eriboll	Scotland	UK	150	492
93	Oumatjie Cave	Western Cape		South Africa	150	492
94	Gaupehulen	Bjugn		Norway	150	492	Relict sea caves; NSS Sea Cave page
95	Rosvikshule	Solstad		Norway	150	492	Relict sea caves; NSS Sea Cave page
96	Log Race Cave	Wait?kere	Auckland	New Zealand	150	492.1	est. unsurveyed
97	Hall of Whispers Cave	Matanaka	Otago	New Zealand	150	492.1	est. unsurveyed
98	Pebble Beach Cave	Dunedin South Coast	Otago	New Zealand	150	492.1	est. unsurveyed
99	Jacks Blowhole	The Catlins	Otago	New Zealand	150	492.1	est. unsurveyed
100	Cave of the Mists	Santa Cruz Island	California	USA	149	489
101	Three Fingers Cave	Anacapa Island	California	USA	149	489
102	Sarawak Chamber	Santa Cruz County	California	USA	148	486
103	Tripple Slot	Western Cape		South Africa	148	486
104	Brei Holm	Papa Stour, Shetland	Scotland	UK	146	479
105	Neptune's Trident East Fork	Santa Cruz Island	California	USA	145	476
106	Sheep Rock	Fairisle, Shetland	Scotland	UK	145	476
107	Cave of the Lost Soles	Mendocino County	California	USA	142	466
108	Houle de la Banche	Cotes-d'Armor	Bretagne	France	142	466
109	Half-Gone Cave	Anacapa Island	California	USA	141	463
110	Point Buchon Cave	San Luis Obispo Co.	California	USA	141	463
111	Dovethirl Cove S	SE Aberdeenshire	Scotland	UK	140	459
112	Guano Cave	Eastern Cape		South Africa	140	459
113	Faille de Brezellec	Finistere	Bretagne	France	140	459
114	Witch's Cauldron	Santa Rosa Island	California	USA	139	456
115	Respiring Chimney Cave	Anacapa Island	California	USA	137	449
116	M?ori Bay Cave	M?ori Bay	Auckland	New Zealand	137	449.5
117	Blowhole Beach Big Cave	Piha	Auckland	New Zealand	137	449.5
118	Painted Cave	Piha	Auckland	New Zealand	137	449.5
119	Dry Cave	Matanaka	Otago	New Zealand	134	439.6
120	P?ua Cave	Matanaka	Otago	New Zealand	134	439.6
121	Hodden Hol	Foula, Shetland	Scotland	UK	132	433
122	Cueva Valdez	Santa Cruz Island	California	USA	131	430
123	Gaylet Pot Seacave	Arbroath	Scotland	UK	131	430
124	Maniniholo Cave	Kauai	Hawaii	USA	130	425
125	Shallow Beach Cave	Dunedin South Coast	Otago	New Zealand	130	426.5	est. unsurveyed
126	Cave of the Bird's Eggs	Santa Cruz Island	California	USA	129	423
127	Frenchy's Cave	Anacapa Island	California	USA	129	423
128	Starfish Cave	Anacapa Island	California	USA	129	423
129	Cave of the Harbor Seals	Punta Banda	Baja	Mexico	128	420
130	Victory Cave	Anacapa Island	California	USA	126	413
131	Fogla Skerry [2]	Papa Stour, Shetland	Scotland	UK	126	413
132	Peter's Creek Cove Cave	Mendocino County	California	USA	125	410
133	Long Beach Cave	Otago Peninsula	Otago	New Zealand	125	410.1
134	Painted Grotto	Santa Cruz Island	California	USA	124	407
135	Cave of Bomahoy	NE Aberdeenshire	Scotland	UK	124	407
136	Double Door Cave	San Luis Obispo Co.	California	USA	123	404
137	Shipwreck Cave	Santa Cruz Island	California	USA	123	404
138	Lady's Harbor Cave	Santa Cruz Island	California	USA	122	400
139	Seastack Cave	Santa Cruz Island	California	USA	122	400
140	Owl Cave	Tongass	Alaska	USA	121	397
141	Culzean Castle Cave #3	near Ayr, Strathclyde	Scotland	UK	120	394
142	Calder’s Geo Cave/Arch	Eshaness, Shetland	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