Grotte di Alòs de Balaguer

Alòs de Balaguer, a municipality in the comarca of the Noguera, brings together 12 catalogued cavities: 7 pits and 5 caves. Together they total 564 metres of passage and reach a maximum depth of 66 metres. Cavities developed in limestone predominate, with one case in conglomerates.

The most notable cavity is the Baborell de la Dona Morta, in the serra de Sant Mamet, with 155 metres of passage and 66 metres of depth; it was known since ancient times and was explored on 26 January 1969. The Baborell d'en Remigio, discovered by the GIRES in 1996, has 100 metres of passage and 50 metres of depth. Other relevant cavities are the Cova 2 de Saborell, of 82 metres, formed by voids between blocks of rockfall from the upper cliff covered by sediments, and the Esquerda de l'Escaire, of 61 metres of passage and 22 metres of depth, explored by the GELL in 2002.

Among the less developed cavities are the Cova 1 de Saborell, of 49 metres, formed between blocks of rockfall from the upper cliff, and the Forat Nº2 de Boada, in the serra de Boada, in the form of a fissure and with a depth of -11 metres.