Grotte e abissi nell'unità geologica Serres de Cardó i del Boix

The Serres de Cardó i del Boix are a karst relief unit located on the Ebro bank, within the Serralada Prelitoral. They contain 54 cavities: 30 pits and 24 caves, with a total passage of 5128 m and a maximum depth of 180 m. The lithologies present are Limestone (43) and Dolomite (11).

The limestone massifs of the Ebro bank present an abrupt and solitary relief, with Mediterranean caves and pits. Among the cavities most notable for passage are the Avenc del Cim de l'obaga del Pollo (754 m), the Cova Marigot (546 m), the Avenc del Camí de Xàquera (530 m), the Cova Meravelles (510 m) and the Cova del Garrofer (400 m).

As for depth, notable are the Avenc del Camí de Xàquera (180 m), the Avenc del Cim de l'obaga del Pollo (141 m), the Avenc de les Calobres (83 m), the Cova de la Rabosa (63 m) and the Avenc Solsona (62 m).