Reservoir of Castrelo de Miño Nature · Castrelo de Miño, Ribeiro, Ourense A reservoir built in 1969 by FENOSA that flooded some of the most fertile bottomland in the Ribeiro and completely transformed the landscape of the Miño, turning the river into a broad sheet of water edged with vineyards. Photo: HombreDHojalata (CC BY-SA 3.0) What to see and do in Castrelo de Miño