Grotte di Montagut i Oix

Montagut i Oix, a municipality in the Garrotxa, brings together 38 cavities: 35 caves and 3 pits. The documented total passage is 1427 m and the maximum depth reaches 39 m. The lithologies present are limestone, with 33 cavities, and sandstone, with 5.

The longest cavity is les Baumes d'en Caxurma, with 387 m of passage, known since time immemorial, with inscriptions more than 100 years old and explored speleologically since the 1940s. The Forat del Puig de les Bruixes is the deepest pit, with 39 m of vertical drop, an entrance of 2.5 x 1.5 m, a 15 m shaft and a chamber of 23.5 x 17 m. Other notable cavities are the Cova de l'Estret del Bosc de Quer, 58 m long, explored by the GE Olot in 1972; the Cova de la Màgica, with 52 m of passage and 6.2 m of vertical drop, located and explored by Nil Hosta and Tanit Sanmartin in March 2026; and the Balma dels Polvoraires, with 30 m of depth and 48 m of passage, on the southwest cliff of the Ferran.

Among the pits, the Tuta de Can Nofre, 23 m deep in the Alta Garrotxa, at the western end of the serra de Bestracà, above the torrent de Rabassa, was located and explored on 5-10-2019. The L'Ull de Montmajor is a foradada in the bosc del Quer, near Montmajor.