Río Tambre is a river located in the northwest region of Spain, specifically in the province of A Coruña in Galicia. It flows for approximately 80 kilometers, originating in the Sierra de Outes and eventually emptying into the Ría de Muros e Noia, an estuary along the Atlantic coast. The river is known for its scenic beauty and rich biodiversity. The Río Tambre is an important waterway for the local ecosystem and supports various species of fish and wildlife. It also plays a role in the region's agriculture and tourism, attracting visitors who enjoy activities like fishing, hiking, and nature observation.