Grotte di Gaià

Gaià, a municipality in Bages, has 4 inventoried caves, all of them catalogued as Cova. Together they total a length of 40 m and a maximum depth of 0 m. The lithology associated with all the cavities is sandstone.

The longest cavity is the Forat I Balma Màrtira, at 20 m. The Balma de la Font de la Vall Vilaramó and the Balma de les Esplugues are 8 m each, and the Balma del Prat, 4 m. The Forat I Balma Màrtira is a small shelter and adjacent concavity with a triangular hole and interior galleries, formerly used as a refuge or dwelling. The Balma de la Font de la Vall Vilaramó has a water deposit, 37 m in length, 8 m in depth and 7 m in maximum height. The Balma de les Esplugues is broad, with 38 m in length, 9 m in depth and 3 m in maximum height, water deposits and stalagmitic crusts. The Balma del Prat is small and walled, with 18 m in length, 4 m in depth and 2 m in height, and remains of an old farmhouse built into the rock.