Grotte di Gavà

Gavà, a municipality in the Baix Llobregat, brings together 19 inventoried cavities: 15 pits and 4 caves. Together they total 1259 m of surveyed passage and reach a maximum depth of 132 m. The lithologies present are limestone (6), dolomite (11) and conglomerate (2).

Among the most notable cavities are the Avenc de la Sivinota, with a 106 m pitch and 132 m of total depth, and the Avenc dels Guerrillers-guerrilla, 97 m deep and 635 m of passage, discovered by two soldiers and explored in 1971. Other notable pits are the Avenc de la Pepi, 52 m deep, discovered in 1968 and surveyed in 1971; the Avenc de les Nou Boques, 42 m deep, first explored by N. Font i Sagué on 21 July 1898; the Avenc de les Dues Boques, 10 m deep, with two entrances about 10 metres apart; and the Avenc del Marianet, 26 m deep, located about 200 metres NE of the avenc de la Llosa and first explored on 26 January 1949.