Doubs (river)

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  and a drainage basin with an area of . 

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is  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)** 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:

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

**Left tributaries**:
* Drugeon - 35.5 km
* Dessoubre - 33.3 km
* Clauge - 35.4 km
* Loue - 122.2 km
* Orain - 39 km
* Guyotte - 41.1 km

**Right tributaries**:
* Allaine - 65 km

## Hydroelectricity
The Doubs is used for electricity generation (hydroelectricity). Among several hydroelectric stations, the most important are the *Dam of Châtelot*,  tall, and the *Dam of Refrain*,  tall.

## Gallery

File:Quelle des Doubs.jpg|The source of the Doubs in Mouthe.
File:Saut du Doubs 01.jpg|The *Saut du Doubs*.
File:Le_Doubs_02.jpg|The *Lac des Brenets*.
File:Dole Doubs5.jpg|The Doubs in Dole.
File:Verdun-sur-le-Doubs- confluent du Doubset de la Saône.JPG|Confluence of Saône (left) and Doubs (right) rivers. 

## Related pages
* List of rivers of France
* List of rivers of Switzerland

## References