Embalse de Cedillo Nature · Cedillo, Comarca de Valencia de Alcántara, Cáceres Reservoir built on the river Tagus in 1975, 66 meters high with a capacity of 260 cubic hectometers, located right on the border between Spain and Portugal, at the point where the rivers Sever and Tagus meet. Construido en 1975 Photo: GualdimG (CC BY-SA 4.0) What to see and do in Cedillo