Grotte di Peramola

Peramola, a municipality in Alt Urgell, contains 9 inventoried cavities: 2 pits and 7 caves. Together they total 260 m of passage and reach a maximum depth of 54 m. The dominant lithologies are conglomerates, present in 8 cavities, compared with 1 of limestone.

The longest cavity is the Avenc de la Roca del Corb, at 91 m, which is also the deepest, at 54 m, in the conglomerate massif of the Roca del Corb. It is followed by the Balma de la Font del Begalot, at 50 m, and la Catedral, at 25 m. Other notable cavities are the Espluga de la Masia del Cerveró, at 22 m, and the Espluga de la Font del Cerveró, at 20 m.

Among the depths, after the Avenc de la Roca del Corb are the Balma de la Font del Begalot, at 15 m, and the Avenc del Pla d'aubenç, at 4 m. The Balma del Cigalot del Corb, 18 m deep, 25 m wide and about 6 m high, completes the group.