Longest caves in Navarre

The longest cave in Navarre in the EspeleoWorld catalogue is Sima de la Piedra de San Martin (80,620 m), followed by Sistema Añelarra and BU-56 Illaminako Ateak.

Data as of October 4, 2026

Longest caves in Navarre
#	Cave	Location	Length
1	Sima de la Piedra de San Martin	Isaba/Izaba, Navarra	80,620 m
2	Sistema Añelarra	Isaba/Izaba, Navarra	25,800 m
3	BU-56 Illaminako Ateak	Isaba/Izaba, Navarra	14,500 m
4	AN-8	Isaba/Izaba, Navarra	9,192 m
5	Del. Ukk.22 Tobozo	Isaba/Izaba, Navarra	7,520 m
6	Larretxiki	Sierra de Aralar, Navarra	6,815 m
7	Ormazarreta II	Sierra de Aralar, Navarra	6,815 m
8	Pagomari	Sierra de Aralar, Navarra	5,600 m
9	De Basaura	Sierra de Lokiz, Navarra	5,075 m
10	Basamberro	Garralda, Navarra	5,000 m
11	De Illobi	Sierra de Aralar, Navarra	4,892 m
12	UK-4	Isaba/Izaba, Navarra	4,600 m
13	C-50 Pre Hus	Isaba/Izaba, Navarra	3,711 m
14	Sistema Arriluxe	Ochagavía/Otsagabia, Navarra	2,265 m
15	Arcaute FR-3	Isaba/Izaba, Navarra	2,200 m
16	Sistema AR-16 AR-10 Arriluxe	Ochagavía/Otsagabia, Navarra	2,200 m
17	Itxaso Leizea	Urraul Alto, Navarra	2,127 m
18	Realengo II	Sierra de Aralar, Navarra	1,800 m
19	AN-548 Gouffre Des Caou Cougues	Isaba/Izaba, Navarra	1,786 m
20	Z-1240	Isaba/Izaba, Navarra	1,691 m
21	Z-124	Isaba/Izaba, Navarra	1,690 m
22	Mulekeke Z-32	Isaba/Izaba, Navarra	1,400 m
23	Txaruta II. TX-2	Donamaria, Navarra	1,272 m
24	Bizkainoren leizea	Sierra de Aralar, Navarra	1,200 m
25	Z-017	Isaba/Izaba, Navarra	1,200 m
26	AR-18	Larraun, Navarra	1,193 m
27	Vizcaino	Sierra de Aralar, Navarra	1,170 m
28	Platzeagabizkar	Ochagavía/Otsagabia, Navarra	1,159 m
29	Beizagien Askaldea	Hiriberri/Villanueva de Aezkoa, Navarra	1,100 m
30	Z-112	Isaba/Izaba, Navarra	1,068 m
31	Y-103	Orbaizeta, Navarra	1,050 m
32	A-110 Aratekas 10	Orbaizeta, Navarra	1,000 m
33	L-5 (sima 268) - Portillo de Arriba	Isaba/Izaba, Navarra	1,000 m
34	Raiturri	Valle de Yerri/Deierri, Navarra	900 m
35	C-110 SCG-82	Isaba/Izaba, Navarra	870 m
36	AN-506 Pozo de los Niños	Isaba/Izaba, Navarra	818 m
37	Del Moro	Navascués/Nabaskoze, Navarra	803 m
38	Ormazarreta I	Sierra de Aralar, Navarra	802 m
39	Txaruta I. TX-1	Donamaria, Navarra	761 m
40	EZ-1	Isaba/Izaba, Navarra	746 m
41	C-2 SCG-82	Isaba/Izaba, Navarra	740 m
42	De Galo	Sierra de Aralar, Navarra	700 m
43	Orobe 5	Olazti/Olazagutía, Navarra	700 m
44	Z-150	Isaba/Izaba, Navarra	671 m
45	G. de l'Ours	Isaba/Izaba, Navarra	664 m
46	Mendukilo	Larraun, Navarra	650 m
47	AN-026	Isaba/Izaba, Navarra	620 m
48	Z-106	Isaba/Izaba, Navarra	620 m
49	Malkorzureko Leze Eulatz 11 EU-11	Sierra de Aralar, Navarra	600 m
50	AN-211	Isaba/Izaba, Navarra	580 m
51	BU-4	Isaba/Izaba, Navarra	580 m
52	Bortzerreketa	Baztan, Navarra	570 m
53	Usaide	Valle de Yerri/Deierri, Navarra	550 m
54	Y-1	Orbaizeta, Navarra	550 m
55	UK-311	Isaba/Izaba, Navarra	540 m
56	Beauf	Isaba/Izaba, Navarra	531 m
57	De Ezkaldo II	Baztan, Navarra	527 m
58	AN-509 Pozo Mariposa	Isaba/Izaba, Navarra	520 m
59	AN-203- 204- 205	Isaba/Izaba, Navarra	513 m
60	Aldasatxea	Aribe, Navarra	500 m
61	Artzainzulo Ref. FC-7	Larraun, Navarra	500 m
62	Tximua	Valle de Yerri/Deierri, Navarra	500 m
63	Uyarango	Orbaizeta, Navarra	500 m
64	AT-5	Larraun, Navarra	479 m
65	Oiarbide XXVIII	Sierra de Aralar, Navarra	460 m
66	Amutxate III	Sierra de Aralar, Navarra	450 m
67	Lezeaundi	Valle de Yerri/Deierri, Navarra	450 m
68	Sima de la Casa de los Pastores	Isaba/Izaba, Navarra	450 m
69	Cogotes de Anderaz	Valle de Yerri/Deierri, Navarra	441 m
70	BU-3	Isaba/Izaba, Navarra	440 m
71	AN-109	Orbaizeta, Navarra	434 m
72	C-108 Sima H	Isaba/Izaba, Navarra	430 m
73	Ayerdi	Lantz, Navarra	425 m
74	AN-58	Isaba/Izaba, Navarra	400 m
75	AR-95	Larraun, Navarra	400 m
76	Des Ximplets Ref.lp4-Lp5	Isaba/Izaba, Navarra	400 m
77	Laminatitur I	Olazti/Olazagutía, Navarra	400 m
78	ORB06-005 Txutxurrieta 1	Orbaizeta, Navarra	400 m
79	X-13	Orbaizeta, Navarra	400 m
80	Sima 1748	Isaba/Izaba, Navarra	395 m
81	Medico UK-10	Isaba/Izaba, Navarra	385 m
82	Arleze	Valle de Yerri/Deierri, Navarra	360 m
83	Del Larraun	Larraun, Navarra	355 m
84	Ibon	Isaba/Izaba, Navarra	350 m
85	UK-185	Isaba/Izaba, Navarra	350 m
86	Gouffre Des Bouquetins	Isaba/Izaba, Navarra	340 m
87	Sima Echalecu	Isaba/Izaba, Navarra	340 m
88	Txintxoleze	Valle de Yerri/Deierri, Navarra	332 m
89	Arlegileze	Irurtzun, Navarra	330 m
90	Oiarbide XXII	Sierra de Aralar, Navarra	330 m
91	Ezkaldo Iibis	Baztan, Navarra	321 m
92	UK-302	Isaba/Izaba, Navarra	320 m
93	UK-310	Isaba/Izaba, Navarra	320 m
94	AR-15.AR-15BIS Artaxiozulo	Ochagavía/Otsagabia, Navarra	315 m
95	Iturrumburu	Erro, Navarra	308 m
96	AB-7	Abaurregaina/Abaurrea Alta, Navarra	305 m
97	AB-6	Abaurregaina/Abaurrea Alta, Navarra	304 m
98	AN-534	Isaba/Izaba, Navarra	303 m
99	Adi III	Erro, Navarra	302 m
100	AN-103	Isaba/Izaba, Navarra	300 m

More rankings

Deepest caves and potholes in Navarre Navarre Cave of the day Rankings