Grotte di Torroella de Montgrí

Torroella de Montgrí, in the Baix Empordà, brings together 60 catalogued cavities: 32 caves and 28 pits. The group totals 3130 m of surveyed passage and reaches a maximum depth of 70 m. All the recorded cavities develop in limestone.

Among the cavities most notable for their passage are the Sistema Coves de les Vetes - Frare, with 545 m, the Cova del Francès, with 400 m, the Pou de la Calella, with 230 m, the Pou d'en Miquel, with 153 m, and the Cau Gran dels Cisternons, with 118 m. As for depth, the Pou d'en Narcís reaches 70 m, followed by the Pou de la Calella, with 55 m, the Pou d'en Miquel, with 32 m, the Avenc Hostench, with 26 m, and the Cova de la Vaca, with 25 m.

The Sistema Coves de les Vetes - Frare is a group of submarine caves at l'Estartit, with more than 500 m of passage, formed by the Coves dels Frares and la Cova de les Vetes, connected underwater. The Cova del Francès is a submarine cavity with some 400 m explored and galleries still unexplored, between the Cala Pedrosa and the Punta de la Sardina, at -16 m below sea level. The Pou de la Calella is a pit 55 m deep at l'Estartit, with an estimated surveyed passage of 230 m and a route discovered in 1977. The Pou d'en Miquel has 153 m of passage, an artificial shaft of -12 m, a sump of -18 m and a total drop of 32.3 m (-30/+2.3). The Cau Gran dels Cisternons is a pit 22 m deep in the Montgrí, with three entrances, 118 m of passage and explored by the SIE del CEA in 2007. The Pou d'en Narcís is a pit 70 m deep on the coast of l'Estartit, discovered by Narcís Arbusé and explored and surveyed by the SIE – CEA at the end of 2006. The Avenc Hostench is a pit 26 m deep in Torroella de Montgrí, discovered in 1968 and explored and surveyed on various occasions. The Cova de la Vaca is a submarine tunnel 45 m long at the Meda Gran (l'Estartit), at the punta de la Galera.