Minho

Minho (Span. Miño, anc. Minius), a river of Spain and Portugal, rises in the north-east of Galicia, flows south-west through the Spanish provinces of Lugo and Orense, and, after forming the boundary between Portugal and Spain, falls into the Atlantic Ocean. Its total length is 174 miles, and it is navigable for small craft 25 miles above its mouth; a bar at the entrance prevents the passage of large vessels. Area of basin, 157,000 sq. m. Its chief tributary is the Sil, which joins it from the left.