| 819 km (316 sq mi)|
850 m (2,790 ft)|
Nalón, As Catedrais beach, Playa de Penarronda, Cantabrian Sea, Sella River
Eo (river) Wikipedia
The Eo is a river, 91 kilometres (57 mi) long, in northwestern Spain. Its estuary forms the boundary between the regions of Galicia and Asturias. The river is known for its salmon fishing.