The Vinhos Verdes DOC Region is one of the largest Portuguese wine regions. In spite of several rivers crossing this region towards the Atlantic ocean conceiving important valleys more or less open, this region retains a considerable biodiversity in grapevines varieties, responsible by an equal diversity of typical wines from each one of the nine sub-regions: Amarante, Ave, Baião, Basto, Cávado, Lima, Monção / ...