The Ubaye (; ) is a river of southeastern France. It is long and flows through the Alpes-de-Haute-Provence department. Its drainage basin is .Bassin versant : Ubaye (L'), Observatoire Régional Eau et Milieux Aquatiques en PACA
Its rises at the Col de Longet, in the Cottian Alps on the border with Italy. It flows generally southwest, through Saint-Paul-sur-Ubaye, Jausiers and Barcelonnette. It flows into the Lac de Serre-Ponçon (which is fed and drained by the Durance) near La Bréole.
See also Ubaye Valley Mercantour National Park
References