Grotte di Collsuspina

Collsuspina, a municipality in the Moianès, has 7 catalogued cavities: 5 caves and 2 pits. The total catalogued length is 126 m and the maximum depth is 9 m. The lithologies present are limestone, in 5 cases, and sandstone, in 2.

Among the cavities, the Forat Negre de Puigantic stands out, with 68 m of length, formed by a single gallery with a vertical axis, a floor of clayey sediments and a meandering course, and the Cova dels Ossos, of 16 m, at the Roc dels Esparvers, with an entrance 10 m wide and a narrow gallery leading to a chamber of 4x2 metres. There is also the Avenc dels Homs, of 10 m, opened by desobstruction with machinery by the owner of the Homs farm, and the Avenc de Fontanilles, of 9 m, near the masia de l’Espina and a cultivated field.

Other cavities are the Cova de Fontscalents, of archaeological interest, with two entrances giving access to two connected rooms; the Cova de les Piquetes, a small cave of 8.5 m in the S of Collsuspina, formed by a large fallen rock slab, with abundant concretion and gours; and the Balmes del Teixidor, a group of 5 small balmes catalogued in May 2015 by the EC Gràcia and the GE Badalona.