The Ubaye (; oc, Ubaia) is a river of southeastern

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. It is long and flows through the

Alpes-de-Haute-Provence Alpes-de-Haute-Provence or sometimes abbreviated as AHP (; oc, Aups d'Auta Provença; ) is a department in the Provence-Alpes-Côte d'Azur region of France, bordering Alpes-Maritimes and Italy to the east, Var to the south, Vaucluse to the w ...

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 geomorphology, a col is the lowest point on a mountain ridge between two peaks.Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, 1984, p. 103. . It may also be called a gap. Particularly rugged and forbidding col ...

, in the

Cottian Alps The Cottian Alps (; french: Alpes Cottiennes ; it, Alpi Cozie ) are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Ra ...

on the border with

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

. It flows generally southwest, through

Saint-Paul-sur-Ubaye Saint-Paul-sur-Ubaye (, literally ''Saint-Paul on Ubaye''; Vivaro-Alpine: ''Sant Pau d'Ubaia'') is a commune in the Alpes-de-Haute-Provence department in southeastern France. Population See also * Ubaye Valley *Communes of the Alpes-de-Haut ...

Jausiers Jausiers (; Vivaro-Alpine: ''Jausièr'') is a commune in the Alpes-de-Haute-Provence department in southeastern France. Politics and administration Population See also * Ubaye Valley *Communes of the Alpes-de-Haute-Provence department ...

and

Barcelonnette Barcelonnette (; oc, Barciloneta de Provença, also ; obsolete it, Barcellonetta) is a commune of France and a subprefecture in the department of Alpes-de-Haute-Provence, in the Provence-Alpes-Côte d'Azur region. It is located in the souther ...

. It flows into the

Lac de Serre-Ponçon Lake Serre-Ponçon (french: Lac de Serre-Ponçon, ; Vivaro-Alpine: ''Lac de Sèrra Ponçon'') is a reservoir in the departments of Hautes-Alpes and Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur region, in southeast France, one of the larges ...

(which is fed and drained by the

Durance The Durance (; ''Durença'' in the Occitan classical norm or ''Durènço'' in the Mistralian norm) is a major river in Southeastern France. A left tributary of the Rhône, it is long. Its drainage basin is .La Bréole La Bréole (; Vivaro-Alpine: ''La Breula'') is a former commune in the Alpes-de-Haute-Provence department in southeastern France. On 1 January 2017, it was merged into the new commune Ubaye-Serre-Ponçon.Ubaye Valley The Ubaye Valley is an area in the Alpes de Haute-Provence ''département'', in the French Alps, having approximately 7,700 residents. Its residents are called ''Ubayens''. Its principal town is the ''sous-préfecture'' of Barcelonnette. 350px, ...

Mercantour National Park Mercantour National Park (french: Parc national du Mercantour) a French national park located in the Alpes-de-Haute-Provence and Alpes-Maritimes departments. Since it was created in 1979, the park has proven popular, with 800,000 visitors annual ...

References

Rivers of France Rivers of Alpes-de-Haute-Provence Rivers of Provence-Alpes-Côte d'Azur Rivers of the Alps {{France-river-stub