Cova des Coloms

Cova des Coloms is a natural cave located in the Spanish island Menorca, in the gully of Binigaus, that has been declared Bien de Interés Cultural. Its ceiling stands about 24 m above the floor, it is 100 m deep and its entrance has a width of 15 m. It can be reached by walk from the village of Es Migjorn Gran following the path that goes to the beach of Binigaus.

Source: Wikipedia