Aldeadávila Dam is a concrete arch-gravity dam on the Douro River (also known as the Duero River) on the border between Spain and Portugal. The Douro River forms the international boundary between Portugal and Spain. The nearest Spanish town is Aldeadávila de la Ribera in the Province of Salamanca, about 11.3 kilometres (7.0 mi) to the east. The nearest Portuguese town is Fornos in Bragança District, about 8 kilometres (5.0 mi) to the southwest. The Portuguese side of the river around the dam site lies within the International Douro Natural Park.
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