The Cávado River (Portuguese: rio Cávado) is a river located in north Portugal.
It has its source in Serra do Larouco at an elevation of 1,520 metres (4,990 ft) above sea level. It runs 135 kilometres (84 mi) from Gouveia to its mouth into the Atlantic Ocean next to the city of Esposende. It flows through the districts of Vila Real and Braga, in Cávado Region, and flows near the towns of Vila Verde and Esposende and cities of Braga and Barcelos.
Its tributaries are the Homem River, Rabagão River and Saltadouro River.
Coordinates: 41°32′28″N 08°47′36″W / 41.54111°N 8.79333°W