Grotte di Castellcir

Castellcir, a municipality in the Moianès, contains 12 inventoried cavities: 10 caves and 2 pits. The known total length is 157 m and the maximum depth is 21 m. The recorded lithologies are sandstones, present in 10 cavities, and limestones, in 2.

Among the cavities most notable for their length are the Avenc de Castellcir, at 36 m; the Cova-avenc de la Clusella, at 26 m; the Balma del Pademí, at 17 m; the Bauma d'en Roma, at 12 m, and the Cova de la Font de la Tosca, at 11 m. As for depth, the Avenc de Castellcir reaches 21 m, followed by the Cova-avenc de la Clusella at 11 m and the Balmes I Cova de Roques Sitjanes at 2 m; the Balma de Fontscalents and the Balma de la Clusella are listed at 0 m.

The Avenc de Castellcir has a small entrance that connects to a 13 m shaft and a chamber 21 m long by 4 m wide. The Cova-avenc de la Clusella, practically unpublished, was explored in January 1967 by the SECES de Sabadell and relocated in October 2024. The Balma del Pademí, traversed by the torrent, was rediscovered in 2015.