Grotte di Molló

In the municipality of Molló, in the comarca of the Ripollès, 8 cavities are known: 7 caves and 1 pit. Together they total 819 metres of passage and reach a maximum depth of 24 metres. The lithologies present are limestone, in 7 cases, and dolomite, in 1 case.

The most notable cavity is the Baumes del Borrasser, with 764 metres of passage and 24 metres of depth. It has been known since ancient times and preserves remains from the Bronze Age and medieval times; it has three entrances, galleries, crawls, shafts and halls such as the Sala d'Espera, the Sala del Llac and the Sala Juderias. Other cavities in the municipality are the Bauma Independent del Borrasser, with 40 metres of passage and -4 metres of elevation change, and the Avenc de les Fonts del Ritort, a 12-metre shaft in a collapse doline on the S slope of the Costabona.

The Bauma Superior del Borrasser, with 38 metres of passage and an entrance of 8x2.5 metres, and the Cova de les Mosques, with 17 metres of passage and +3.5 metres of elevation change, were located by Nil Hosta Ferrer and Tanit Sanmartin in early 2025.