Grotte e abissi nell'unità geologica Sant Llorenç del Munt

Sant Llorenç del Munt is a unit of the Serralada Prelitoral with 163 recorded cavities: 64 pits and 99 caves. The known total passage is 6362 m and the maximum depth reaches 126 m. The dominant lithologies are conglomerates, present in 156 cavities, and limestones, in 7.

The massif of monumental conglomerates between the Bages and the Vallès has been sculpted by water, which has created caves and pits of spectacular morphology. Among the most notable cavities are the Cova del Manel, with 788 m of passage and 64 m of vertical extent (-12; +52), known since 1899; the Avenc de les Rovires, 126 m deep; the Cova Simanya, with 372 m of passage, closed since 2021; the Coves de les ànimes, with 264 m, joined in 2012; and the Avenc del Daví, 65 m deep.