Grotte di Santa Margarida i els Monjos

Santa Margarida i els Monjos, in the Alt Penedès, brings together 4 cavities, all of them of the Cova type. The group totals a length of 33 m and reaches a maximum depth of 2 m. The dominant lithology is limestone, present in all 4 cavities.

The longest cavity is the Cova Fosca, with 11 m, a shelter with a wide 21 m mouth and low height, used for livestock in the past. It is followed by the Balma de Borrelleres, of 10 m, with a 10 m wide portico and a maximum depth of 10 m; the Cova de la Font de Sant Llorenç, of 8 m, a tiny little cave with two entrances, a narrow and irregular gallery, a rock bridge and a hole in the ceiling, where a human skull and other bones were found, discovered by Antoni Massanell when enlarging a crevice near the spring; and the Cova del Carme, of 4 m, a small shelter with an average height of 2 m on a slight slope towards the NW.

As for depth, the Balma de Borrelleres and the Cova Fosca each reach 2 m, while the Cova del Carme and the Cova de la Font de Sant Llorenç reach 1 m.