Deepest caves and potholes in Navarre

The deepest cave in Navarre in the EspeleoWorld catalogue is BU-56 Illaminako Ateak (1,435 m), followed by Sima de la Piedra de San Martin and AN-8.

Data as of October 4, 2026

Deepest caves and potholes in Navarre
#	Cave	Location	Depth
1	BU-56 Illaminako Ateak	Isaba/Izaba, Navarra	1,435 m
2	Sima de la Piedra de San Martin	Isaba/Izaba, Navarra	1,410 m
3	AN-8	Isaba/Izaba, Navarra	819 m
4	Sistema Añelarra	Isaba/Izaba, Navarra	739 m
5	UK-4	Isaba/Izaba, Navarra	717 m
6	C-50 Pre Hus	Isaba/Izaba, Navarra	696 m
7	Ormazarreta II	Sierra de Aralar, Navarra	576 m
8	De Illobi	Sierra de Aralar, Navarra	549 m
9	G. de l'Ours	Isaba/Izaba, Navarra	534 m
10	Del. Ukk.22 Tobozo	Isaba/Izaba, Navarra	522 m
11	Larretxiki	Sierra de Aralar, Navarra	446 m
12	Z-017	Isaba/Izaba, Navarra	430 m
13	Arcaute FR-3	Isaba/Izaba, Navarra	415 m
14	AN-548 Gouffre Des Caou Cougues	Isaba/Izaba, Navarra	413 m
15	AN-506 Pozo de los Niños	Isaba/Izaba, Navarra	410 m
16	Ormazarreta I	Sierra de Aralar, Navarra	404 m
17	Sima de la Burra	Isaba/Izaba, Navarra	396 m
18	Z-1240	Isaba/Izaba, Navarra	383 m
19	Z-124	Isaba/Izaba, Navarra	383 m
20	Z-150	Isaba/Izaba, Navarra	380 m
21	L-5 (sima 268) - Portillo de Arriba	Isaba/Izaba, Navarra	377 m
22	C-104 SCG-82	Isaba/Izaba, Navarra	368 m
23	C-2 SCG-82	Isaba/Izaba, Navarra	368 m
24	Pagomari	Sierra de Aralar, Navarra	366 m
25	BU-4	Isaba/Izaba, Navarra	355 m
26	Sima de la Casa de los Pastores	Isaba/Izaba, Navarra	355 m
27	EZ-1	Isaba/Izaba, Navarra	351 m
28	AN-211	Isaba/Izaba, Navarra	344 m
29	Txaruta II. TX-2	Donamaria, Navarra	337 m
30	Mulekeke Z-32	Isaba/Izaba, Navarra	334 m
31	Sistema Arriluxe	Ochagavía/Otsagabia, Navarra	325 m
32	Sistema AR-16 AR-10 Arriluxe	Ochagavía/Otsagabia, Navarra	324 m
33	AN-509 Pozo Mariposa	Isaba/Izaba, Navarra	320 m
34	C-110 SCG-82	Isaba/Izaba, Navarra	320 m
35	UK-311	Isaba/Izaba, Navarra	306 m
36	Beauf	Isaba/Izaba, Navarra	282 m
37	BU-3	Isaba/Izaba, Navarra	265 m
38	Platzeagabizkar	Ochagavía/Otsagabia, Navarra	264 m
39	Sima Echalecu	Isaba/Izaba, Navarra	259 m
40	Z-112	Isaba/Izaba, Navarra	258 m
41	Z-113	Isaba/Izaba, Navarra	258 m
42	AN-026	Isaba/Izaba, Navarra	254 m
43	AN-109	Orbaizeta, Navarra	254 m
44	Basamberro	Garralda, Navarra	252 m
45	Z-106	Isaba/Izaba, Navarra	242 m
46	Sima 1748	Isaba/Izaba, Navarra	241 m
47	Medico UK-10	Isaba/Izaba, Navarra	240 m
48	Oiarbide XXVIII	Sierra de Aralar, Navarra	240 m
49	Abodi-Borda de Aixko	Ochagavía/Otsagabia, Navarra	231 m
50	Txaruta V. - VI. TX-5-6	Bertizarana, Navarra	230 m
51	Oiarbide XXII	Sierra de Aralar, Navarra	226 m
52	EZ-11	Isaba/Izaba, Navarra	225 m
53	UK-185	Isaba/Izaba, Navarra	215 m
54	AN-73	Isaba/Izaba, Navarra	211 m
55	1B-1	Valle de Yerri/Deierri, Navarra	205 m
56	AN-203- 204- 205	Isaba/Izaba, Navarra	203 m
57	BU-40	Isaba/Izaba, Navarra	200 m
58	C-108 Sima H	Isaba/Izaba, Navarra	200 m
59	K-7	Isaba/Izaba, Navarra	200 m
60	UK-C/13	Isaba/Izaba, Navarra	200 m
61	Bizkainoren leizea	Sierra de Aralar, Navarra	195 m
62	Itxaso Leizea	Urraul Alto, Navarra	195 m
63	Vizcaino	Sierra de Aralar, Navarra	194 m
64	Des Ximplets Ref.lp4-Lp5	Isaba/Izaba, Navarra	191 m
65	ME-4 Martinzulo	Larraun, Navarra	190 m
66	Mugaleze	Valle de Yerri/Deierri, Navarra	185 m
67	Y-1	Orbaizeta, Navarra	185 m
68	Bu.a2	Isaba/Izaba, Navarra	183 m
69	Z-111	Isaba/Izaba, Navarra	181 m
70	Mina de Huici	Larraun, Navarra	175 m
71	A-110 Aratekas 10	Orbaizeta, Navarra	172 m
72	AN-0	Isaba/Izaba, Navarra	171 m
73	A-60 - Sima de Añelarra	Isaba/Izaba, Navarra	170 m
74	Tximua	Valle de Yerri/Deierri, Navarra	165 m
75	AN-107	Isaba/Izaba, Navarra	162 m
76	AN-108	Isaba/Izaba, Navarra	162 m
77	ORB06-005 Txutxurrieta 1	Orbaizeta, Navarra	160 m
78	BU-229	Isaba/Izaba, Navarra	154 m
79	PT-61	Ergoiena, Navarra	147 m
80	AN-58	Isaba/Izaba, Navarra	146 m
81	AR-95	Larraun, Navarra	146 m
82	X-13	Orbaizeta, Navarra	146 m
83	AN-103	Isaba/Izaba, Navarra	145 m
84	Gouffre Des Bouquetins	Isaba/Izaba, Navarra	144 m
85	Beizagien Askaldea	Hiriberri/Villanueva de Aezkoa, Navarra	143 m
86	UK-302	Isaba/Izaba, Navarra	143 m
87	Del Peregrino	Valle de Yerri/Deierri, Navarra	140 m
88	Del Roble	Valle de Yerri/Deierri, Navarra	140 m
89	UK-310	Isaba/Izaba, Navarra	138 m
90	EZ-17	Isaba/Izaba, Navarra	137 m
91	AN-534	Isaba/Izaba, Navarra	134 m
92	De las Hiedras	Valle de Yerri/Deierri, Navarra	134 m
93	Txaruta I. TX-1	Donamaria, Navarra	131 m
94	Amutxate III	Sierra de Aralar, Navarra	130 m
95	AN-533	Isaba/Izaba, Navarra	130 m
96	Lezemotz	Erro, Navarra	130 m
97	San Miguel	Romanzado/Erromantzatua, Navarra	130 m
98	UK-16	Isaba/Izaba, Navarra	130 m
99	EZ-2	Isaba/Izaba, Navarra	129 m
100	Y-103	Orbaizeta, Navarra	129 m

More rankings

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