Grotte di Gisclareny

Gisclareny, a municipality in Berguedà, brings together 49 catalogued cavities: 18 pits and 31 caves. The group totals 1255 metres of passage and reaches a maximum depth of 188 metres. All the cavities develop in limestone.

The most notable cavity is the Antic Bullidor, with 398 metres of passage and 188 metres of variable depth; it was discovered in 1989 by the SIES – CCR l'Avenç and explorations reached the -188 metre level in 2016. Other relevant cavities are the Coves del Monnell, with two entrance mouths and 92 metres of passage, and the Cova Sc-30, with 60 metres of passage, discovered on 8 November 1987 after 5 weeks of digging.

Among the springs are la Dou del Bastareny, with 45 metres of passage, with three mouths, galleries, unstable blocks and a sump, known since time immemorial and explored speleologically since 1965, and the Bullidor de la Llet, a vauclusian spring with 20 metres of variable depth with a 7-metre shaft, a 9X4 metre chamber and a -3 metre drop leading to a possible sump. There is also the Avenc Sc-40, 30 metres deep at the Pleta de l'Olla, and the Avenc G-1, a large depression 28 metres deep at the coll de l'Escriga, opened in limestone and gypsum materials, with two holes at the bottom and a mouth of tectonic origin catalogued as G-2.