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Coordinates: 44°12′05″N 5°56′35″E / 44.20139°N 5.94306°E / 44.20139; 5.94306
The Buëch river near Sisteron
The Buëch river near Sisteron
Country France
Regions Auvergne-Rhône-Alpes, Provence-Alpes-Côte d'Azur
Departments Drôme, Hautes-Alpes, Alpes-de-Haute-Provence
Communes Sisteron
 - left Petit Buëch
 - right Méouge
City Sisteron
Source Massif du Dévoluy
 - location Lus-la-Croix-Haute, Drôme, Auvergne-Rhône-Alpes, France
 - elevation 2,400 m (7,874 ft)
 - coordinates 44°41′07″N 5°48′46″W / 44.68528°N 5.81278°W / 44.68528; -5.81278
Confluence Durance
 - location Sisteron, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France
 - elevation 470 m (1,542 ft)
 - coordinates 44°12′05″N 5°56′35″E / 44.20139°N 5.94306°E / 44.20139; 5.94306
Length 85.2 km (53 mi)
Basin 1,478 km² (571 sq mi)
Discharge for Laragne-Montéglin
 - average 20.1 /s (710 cu ft/s)
Wikimedia Commons: Buëch

The Buëch (Occitan: Buech) is a river in southeastern France, a right tributary of the Durance. It is also called the Grand Buëch in its upper course just to the confluence with the Petit Buëch river.

Geography[change | change source]

The Buëch river has a length of 85.2 km (53 mi) and a drainage basin with an area of approximately 1,478 km2 (571 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 20.10 m3/s (710 cu ft/s) at Laragne-Montéglin in the Hautes-Alpes department, for a period of 15 years.[2]

Average monthly discharge (m3/s) at Laragne-Montéglin

Course[change | change source]

The Buëch starts several kilometres to the east of col de la Croix-Haute, a mountain pass in the western side of the Massif du Dévoluy mountains, in the commune of Lus-la-Croix-Haute, Drôme department, at an elevation of about 2,325 m (7,628 ft).[3] It then flows to the southwest and gets into the Hautes-Alpes department and then flows to the south.

Finally, the river flows into the Durance river, as a right tributary, near Sisteron, in the Alpes-de-Haute-Provence department.[4]

The Buëch flows through 3 departments and 23 communes, in 2 regions:[1]

Main tributaries[change | change source]

The main tributaries of the Buëch river are:[1]

Gallery[change | change source]

Related pages[change | change source]

References[change | change source]

  1. 1.0 1.1 1.2 "Le Buëch (X10-0400)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 28 September 2016.
  2. "Le Buech à Laragne-Montéglin" (in French). Banque Hydro. Retrieved 16 July 2017.
  3. "Source du Buëch" (in French). Géoportail. Retrieved 28 September 2016.
  4. "Confluence de la Vienne" (in French). Géoportail. Retrieved 31 July 2016.