Aldeadávila Dam
The 928th tallest dam in the world
The Aldeadávila Dam is a Spanish concrete arch-gravity dam, straddling the border between Spain and Portugal on the Duero River (Douro in Portuguese). The nearest 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 Arribes del Duero Natural Park.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).