Vigo Ria and is an estuary in Galicia, Spain. It is the southernmost ria of the RĂas Baixas. It is located in the south of the province of Pontevedra, and extends in a northeast direction over a distance of 35 kilometres from its mouth at Cape Silleiro to the deepest point in Arcade, with a maximum width of 7 km and the narrowest in the Strait of Rande, at 700 m. From Wikipedia