|Main source||Cottian Alps|
44°28′31″N 6°17′52″E / 44.47528°N 6.29778°ECoordinates: 44°28′31″N 6°17′52″E / 44.47528°N 6.29778°E
|Progression||Durance→ Rhône→ Mediterranean Sea|
|Length||83 km (52 mi)|
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.