The Río Deva Basin is a geographical area in northern Spain, primarily located in the autonomous community of Asturias. It is named after the Río Deva, a river that flows through the region, eventually emptying into the Bay of Biscay. The basin is characterized by its lush landscapes, diverse ecosystems, and rich biodiversity. The basin is significant for its natural resources and recreational opportunities. It supports various activities such as hiking, fishing, and birdwatching, attracting both locals and tourists. The surrounding mountains and valleys contribute to the area's scenic beauty, making it a popular destination for nature enthusiasts.