Grotte di El Bruc

The municipality of El Bruc, in the Anoia region, has 38 catalogued cavities: 6 pits and 32 caves. The group reaches a total length of 1208 m and a maximum depth of 125 m. The dominant lithology is conglomerate, present in 37 cavities, while limestone appears in 1.

Among the most notable cavities are the Pouetons de les Agulles, with 529 m of length and 125 m of depth, a Montserrat cavity with two entrances, shafts, gours, flowstone and galleries such as the Quim-Avent, with history since 1789 and explorations until 2020. Other relevant pits are the Pou de la Portella, 43 m deep, with a first shaft of 27 m and a second of 10 m; the Pou de l'Enclusa, 59 m deep, the third deepest pit on the Montserrat mountain; and the Avenc Carrilet 2002, a fissure with 37 m of drop located by Quim Prats and explored by the SIRE – UEC l'Hospitalet around 1980. There is also the Pou de l'Estevet, with a single shaft 20 m deep, a fairly narrow shaft of 18 m and small ledges, and the Cova del Boixar, a small cave fitted out as a climbers' refuge.