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Doubs
German: Dub
River
Doubs Laissey.jpg
The Doubs just before Besançon.
Countries  France,  Switzerland
Regions Bourgogne-Franche-Comté, French-speaking Switzerland
Tributaries
 - left Drugeon, Loue, Guyotte
 - right Allaine
Cities Pontarlier, Besançon, Dole
Source Jura Mountains
 - location Mouthe, Doubs, France
 - elevation 937 m (3,074 ft)
 - coordinates 46°42′18″N 6°12′34″E / 46.70500°N 6.20944°E / 46.70500; 6.20944
Confluence Saône
 - location Verdun-sur-le-Doubs, Saône-et-Loire, France
 - elevation 170 m (558 ft)
 - coordinates 46°54′5″N 5°1′26″E / 46.90139°N 5.02389°E / 46.90139; 5.02389
Length 453 km (281 mi)
Basin 7,710 km² (2,977 sq mi)
Discharge for Neublans-Abergement
 - average 173 /s (6,109 cu ft/s)

The Doubs is a river in eastern France and western Switzerland. It is a left tributary of the Saône river that flows through the Bourgogne-Franche-Comté region and the French-speaking Switzerland.

The Doubs department is named after this river.

Geography

The Doubs river has a length of 453 km (281.5 mi) and a drainage basin with an area of 7,710 km2 (2,977 sq mi).

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 173 m3/s (6,100 cu ft/s) at Neublans-Abergement, a commune in the Jura department near the confluence of the Doubs and the Saône.

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Average monthly discharge (m3/s) at Neublans-Abergement (52 years)

Course

The Doubs river starts in the commune of Mouthel in the Doubs department, at an altitude of about 937 m (3,074 ft) in the Jura Mountains near the French-Swiss border. Then it flows to the northeast and pass through the Lac de Saint-Point lake and forms the border between France and Switzerland for several kilometres before going into Switzerland, into the canton of Jura, in the region known as Clos du Doubs. The waterfall named as Saut du Doubs on the French-Swiss border. Then the river turns to the west and gets back into France. Finally, the river flows to southwest to join the Saône river.

The Doubs river flows through one region and three departments in France, and two cantons (Neuchâtel and Jura) in Switzerland. It flows through the following communes, among others:

The river forms several lakes:

  • Lac des Brenets (elevation: 750 m [2,460 ft])
  • Lac de Moron (elevation: 716 m [2,349 ft])
  • Lac de Biaufond (elevation: 610 m [2,000 ft])

The Doubs river flows into the Saône river as a leftt tributary in the city of Verdun-sur-le-Doubs.

Main tributaries

The main tributaries, over 30 km long, of the Doubs river are:

Hydroelectricity

The Doubs is used for electricity generation (hydroelectricity). Among several hydroelectric stations, the most important are the Dam of Châtelot, 74 m (243 ft) tall, and the Dam of Refrain, 66.5 m (218 ft) tall.

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