Doubs
The Doubs between Switzerland and France
Origin	Mouthe, Jura mountains 46°42′17″N 6°12′34″E / 46.70472°N 6.20944°E / 46.70472; 6.20944 (source Doubs)
Mouth	Saône 46°54′3″N 5°1′27″E / 46.90083°N 5.02417°E / 46.90083; 5.02417 (Saône-Doubs)Coordinates: 46°54′3″N 5°1′27″E / 46.90083°N 5.02417°E / 46.90083; 5.02417 (Saône-Doubs)
Basin countries	France, Switzerland
Length	453 km
Source elevation	937 m
Avg. discharge	176 m³/s
Basin area	7500 km²

The Doubs is a 453 km long river in eastern France and western Switzerland, left tributary of the Saône. Its source is near Mouthe in the western Jura mountains.

First it flows northeast, more or less along the French-Swiss border (forming the border for approx. 40 km). Near Montbéliard it turns southwest, until it flows into the river Saône in Verdun-sur-le-Doubs, approx. 20 km northeast of Chalon-sur-Saône. Its entire course resembles an inverted letter U, with the northeastern corner the only point at which the Doubs flows into Switzerland as far as Saint-Ursanne.

The Doubs flows through the following Departments of France, Cantons of Switzerland, and cities:

• Doubs (F): Pontarlier
• Neuchâtel (CH)
• Jura (CH): Saint-Ursanne
• Doubs (F): Montbéliard, Besançon
• Jura (F): Dole
• Saône-et-Loire (F): Verdun-sur-le-Doubs

Trbutaries include:

• Loue
• Dessoubre

The river forms several lakes:

• Lac des Brenets (elevation 750 m)
• Lac de Moron (elevation 716 m)
• Lac de Biaufond (elevation 610 m)

[edit] References

Wikimedia Commons has media related to: Doubs River

Wikisource has the text of the 1911 Encyclopædia Britannica article Doubs (river).

• http://www.geoportail.fr
• The Doubs at the Sandre database