The Urumea (pronounced [uˈɾumea] or [uɾuˈmea], stemming from Basque "ur" 'water' + "me(he)a" 'thin') is a river in the Basque Country at the north of the Iberian Peninsula. It's one of a series of Basque rivers flowing into the Bay of Biscay (Atlantic basin) and best known for being the river flowing to the sea on the city of San Sebastian.