Arribes del Duero Natural Park
Castile and León, Spain
Arribes del Duero Natural Park is a protected area in western Spain, covering 1,061.05 km2 (409.67 sq mi) in the autonomous community of Castile and León. In this area the river Duero forms the national boundary between Spain and Portugal, and the Portuguese side is also protected under the Douro International Natural Park. The most notable characteristics of this natural space are its biodiversity and range of watercourses, which have eroded deep valleys and vertiginous precipices. This landscape is known as Arribes, which is where the reserve name comes from.
NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).