Regions of Catalonia

Baix Llobregat contains 536 cavities, 373 pits and 163 caves, with 19,125 m of total passage and a maximum depth of 184 m. Avenc dels Esquirols stands out as the deepest, and Coves del Salnitre as the longest.

The Berguedà contains 252 cavities: 151 caves and 101 pits, with a total passage length of 11,443 m and a maximum depth of 188 m. Limestone predominates (172), followed by conglomerates (55), sandstones (18), travertines (5) and gypsum (2).

Vallès Occidental contains 238 cavities: 135 caves and 103 pits, with 8567 m of total passage length and a maximum depth of 126 m. Conglomerate predominates (208), followed by limestone (14), travertine (10) and sandstone (6).

El Pallars Jussà is a comarca with 215 recorded cavities: 139 caves and 76 pits. La Cova Cuberes, in Serradell (Conca de Dalt), is the longest cave in Catalonia, with 13,513.15 metres of passage and 328 metres of vertical drop.

The Noguera region contains 209 cavities: 125 caves and 84 pits, with a total length of 13,739 m and a maximum depth of 161 m. Forat de l'Or stands out, with 2,213 m.

Alt Penedès contains 197 cavities: 129 caves and 68 pits, with 6,995 m of surveyed passage and a maximum depth of 291 m. Avenc de l'Esquerrà, in the Garraf massif, is the most important and complex cavity.

The Garraf area contains 192 cavities: 125 pits and 67 caves, with a total length of 6,101 m and a maximum depth of 193 m. la Falconera, the Forat de la Ruda and the Avenc Leia are among the most notable cavities.

The Priorat contains 192 cavities: 103 caves and 89 pits, with 11839 m of total passage and a maximum depth of 85 m. Conglomerates predominate (134), followed by limestones (36), dolomites (14), sandstones (6) and travertines (2).

The Baix Ebre is a comarca with 188 catalogued cavities: 105 pits and 83 caves. The subterranean network totals 18705 metres of passage and reaches a maximum depth of 283 metres.

The Alt Urgell brings together 177 inventoried cavities, including 106 caves and 71 pits, with 8,697 metres of total passage and a maximum depth of 137 metres. Limestone predominates, along with conglomerates, sandstones, marls and gypsum.

Bages has 177 cavities, mostly caves and pits, with a total surveyed length of 9,634 m and a maximum depth of 187 m. Notable features include Cova dels Meandres de Sal and several pits in the Serra de l'Obac.

Solsonès contains 175 cavities: 131 caves and 44 pits, with 4,812 m of total passage and a maximum depth of 202 m. Notable are the Bòfia de Sant Jaume and the Avenc Montserrat Ubach. Conglomerate predominates (136).

The Baix Camp brings together 166 cavities: 108 caves and 58 pits, with a total length of 10,696 m and a maximum depth of 109 m. Notable are the Avencs I Coves de la Febró, at 1810 m, and the Avenc de Vandellòs, at 109 m deep.

Osona contains 152 cavities: 125 caves and 27 pits, with a total length of 10365 m and a maximum depth of 215 m. The Cova del Serrat del Vent, at 4273 m, and the Sistema de la Bora Fosca, at 1257 m, are the most notable cavities.

The Ripollès contains 147 cavities: 103 caves and 44 pits, with 7177 m of total passage and a maximum depth of 96 m. Notable are the Cova de les Encantades, the Baumes del Borrasser and the Forat del Miquelet.

The Baix Empordà contains 143 cavities: 111 caves and 32 pits, with 5,569 m of surveyed passage and a maximum depth of 70 m. It includes submarine caves, pits and granite cavities.

Alt Camp contains 120 cavities: 70 pits and 50 caves, with a total length of 6410 m and a maximum depth of 80 m. The main lithologies are Limestone (85), Dolomite (26), Travertine (4), Sandstone (2), Marl (2) and Gypsum (1).

La Garrotxa contains 111 cavities: 91 caves and 20 pits, with a total passage length of 8344 m and a maximum depth of 43 m. Limestone predominates, followed by sandstone, gypsum, travertine, basalt and clay.

Pallars Sobirà contains 111 cavities: 71 pits and 40 caves, with 8077 m of total passage and a maximum depth of 320 m. Limestone predominates (93), along with schists, gypsum, conglomerates, slates, granites and sandstones.

La Cerdanya contains 101 inventoried cavities, 84 caves and 17 pits, with 6569 m of total passage and a maximum depth of 206 m. Cova de la Fou de Bor, at 4246 m, is the longest and deepest cavity.

The Anoia brings together 98 cavities: 76 caves and 22 pits, with a total length of 4,408 m and a maximum depth of 125 m. Notable are the Cova de les Rondes, the Coves del Mamut and the Pouetons de les Agulles, in a landscape of conglomerates, limestones and travertines.

Montsià has 97 catalogued cavities: 75 caves and 22 pits, with a total length of 3000 m and a maximum depth of 99 m. Cova Trobada is the longest (360 m) and the deepest (99 m).

Alt Empordà contains 95 cavities: 59 caves and 36 pits, with a total passage length of 3335 metres and a maximum depth of 73 metres. Cau del Lliri, in Roses, is the longest and deepest cavity.

The Conca de Barberà contains 87 cavities: 54 caves and 33 pits, with 8529 m of total development and a maximum depth of 76 m. Notable are the Cova de l'Espluga and the Avenc del Pi Rodó.

The comarca of les Garrigues contains 85 cavities, 84 caves and 1 pit, with a total length of 835 m and a maximum depth of 9 m. Conglomerates (80) and sandstones (5) predominate.

The Terra Alta region contains 80 cavities: 31 pits and 49 caves, with a total length of 3,375 m and a maximum depth of 65 m. Limestone predominates (61), followed by conglomerate (15) and dolomite (4).

El Moianès contains 76 inventoried cavities: 71 caves and 5 pits, with a total length of 2542 m and a maximum depth of 21 m. The Cova del Toll, at 1148 m, is the longest.

La Selva contains 75 cavities: 57 caves and 18 pits, with a total length of 2649 m and a maximum depth of 26 m. Granite predominates (41), followed by limestone (17) and sandstone (13).

The Baix Penedès contains 70 cavities: 33 pits and 37 caves, with a total passage length of 2845 m and a maximum depth of 70 m. The Cova d'Artús-forat del Vent, at 564 m, and the Cova de Vallmajor, at 395 m and 67 m deep, are the most notable.

The Val d'Aran contains 70 cavities: 16 caves and 54 pits, with 8,512 m of total passage and a maximum depth of 571 m. The Sistema de la Bargadèra is the cavity with the greatest vertical drop in Catalonia. Limestone predominates (53), followed by marble (9) and granite (4).

The Tarragonès contains 63 cavities: 56 caves and 7 pits, with a total passage length of 4170 m and a maximum depth of 61 m. The Cova Urbana de Tarragona, at 2441 m, is the longest. Limestone predominates (53).

The Ribera d'Ebre region contains 41 cavities: 19 pits and 22 caves, with a total length of 1656 m and a maximum depth of 74 m. Notable are the Esquerda Estreta de Mont-redon, the deepest, and the Avenc Miravet, the longest.

The Vallès Oriental contains 37 cavities: 29 caves and 8 pits, with a total length of 1096 m and a maximum depth of 29 m. The Cova dels Ermitans, at the Farell, is the longest (287 m) and the deepest (29 m).

El Lluçanès brings together 28 caves and rock shelters, with a total length of 271 m and a maximum depth of 6 m. Sandstones (24) and conglomerates (4) predominate.

El Gironès contains 21 cavities: 14 pits and 7 caves, with a total length of 1683 m and a maximum depth of 70 m. Bora Tuna (403 m) and the Cova de Rocafesa (400 m) stand out.

The Pla de l'Estany region contains 19 cavities: 3 pits and 16 caves, with a total length of 808 metres and a maximum depth of 60 metres. Travertines predominate, with sandstones and conglomerates.

The Alta Ribagorça region contains 18 catalogued cavities: 9 caves and 9 pits, with a total length of 602 metres and a maximum depth of 89 metres. The Forat del Graller is the longest and deepest cavity.

El Maresme brings together 10 cavities: 8 caves and 2 pits, with 169 m of total passage and 14 m of maximum depth. Limestone (6) and granite (4) predominate. Avenc de les Aranyes is the longest cavity (72 m) and the deepest (14 m).

The comarca of Segarra has 1 catalogued cavity: the Forat Micó, a pit 12 metres deep in Sanaüja, with 51 metres of passage.

El Segrià has 1 catalogued cavity: the Cova de Sant Jaume, with 5 metres of passage and 0 metres of depth.

L'Urgell has 1 registered cavity: the Balmes de les Puelles, with 5 metres of passage and 0 metres of depth.