Grotte e abissi nell'unità geologica Cap de Creus

The Cap de Creus is a unit of the Pirineu Axial with 15 caves, all of them catalogued as Cova, which together total 779 metres of passage. The most notable cavity is the Cau del Lliri, with 460 metres of passage and 73 metres of vertical drop, which is also the deepest of the group.

Among the main cavities are the Cova Tassana, at 61 metres; the Cova del Traire, at 54 metres; the Cova de S'Infern, at 50 metres, and the Cova de les Ermites, at 33 metres. The geology of the unit comprises limestone, schists, granites, sandstones, slates and sand.

It is a rocky peninsula at the northern end of the coast, of slates and schists, with sea caves linked to the swell.