Praia das Catedrais is on the northwest coast of Spain. It is the name given by the tourism industry to Praia de Augas Santas. The beach is located in the Ribadeo municipality, in the province of Lugo, on the Cantabric coast, and it lies about ten kilometres to the west of the town of Ribadeo. Its name is derived from its cliff formations.
It has been declared a Natural Monument by the regional Ministry for the Environment of the Xunta de Galicia.