Olveira Bridge Monument · Dumbría, Fisterra, A Coruña An ashlar bridge over the River Xallas, some five metres wide and with round arches protected by cutwaters, dated between the 17th and 18th centuries; the Camino de Santiago towards Fisterra and Muxía enters the comarca across it. Photo: Luis Miguel Bugallo Sánchez (CC BY-SA 3.0) What to see and do in Dumbría