Caves and potholes in Baix Ebre

Baix Ebre has in the massís dels Ports —shared with Matarranya and Terra Alta— one of the most extensive and least frequented karst systems in southern Catalonia. The combination of considerable altitude and powerful limestones generates caves and potholes of notable length and depth there, in a setting more isolated than the massifs near Barcelona.

188 cavitats (83 coves i 105 avencs) in Baix Ebre have been catalogued, mainly in Roquetes, Alfara de Carles and Tortosa. RIU ALGARS, FORAT DE, amb 2000 m de recorregut.

Baix Ebre has an area of 1003 km², located mostly in la Serralada Prelitoral. This means an approximate density of 18.7 catalogued caves per 100 km².

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