Tambre River Nature · Val do Dubra, Santiago, A Coruña A Galician river of the Atlantic slope that rises in the Sobrado lagoon, at 510 metres above sea level, near the hamlet of la Porcariza, in the municipality of Sobrado, and gathers the waters of the Fontevirtude and Rodelo streams. It runs 125 kilometres southwest, crossing twenty municipalities - among them Val do Dubra - with a basin of 1,531 square kilometres, before flowing into the Ría de Muros e Noia through the Langaño inlet. Its main tributaries are the Dubra, the Barcala, the Maruzo, the Samo and the Lengüelle. Its middle and upper reaches and its estuary are declared a Special Area of Conservation. Photo: Luis Miguel Bugallo Sánchez (Lmbuga) (CC BY-SA 3.0) What to see and do in Val do Dubra