Caves and potholes in Sant Aniol de Finestres

Sant Aniol de Finestres, in the Garrotxa, extends across a mountainous territory where the Llierca river and its tributaries have carved gorges and pools well known among hikers, amid steep, sparsely populated limestone relief. This rugged terrain, of great natural value, contains a notable set of catalogued cavities associated with the area’s underground hydrological network.