Ain (river)

The Ain (in Franco-Provençal: En) is a river in eastern France. It is a right tributary of the Rhône river. It gave its name to the French department of Ain.

Geography
The Ain 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 Chazey-sur-Ain in the Ain department.

Course
The source of the Ain is a karst spring (a spring that is part of a karst system) in the Jura mountains, between the Conte an the La Favière communes (Jura department), at an altitude of about . From here, the Ain flows to the south.

The Ain river flows through 2 regions, 2 departments and 66 communes. It flows through the following communes, among others:
 Bourgogne-Franche-Comté region
 Jura:  Sirod, Syam, Champagnole, Crotenay, Pont-de-Poitte, Moirans-en-Montagne, Thoirette
 Auvergne-Rhône-Alpes region
 Ain: Poncin, Neuville-sur-Ain, Pont-d'Ain, Priay, Châtillon-la-Palud, Chazey-sur-Ain, Saint-Jean-de-Niost, Saint-Maurice-de-Rémens

Finally, it flows into the Rhône river in the commune of Saint-Maurice-de-Gourdans, on the border with the Isère department.

Main tributaries
The main tributaries of the Ain river are:

Left tributaries:
 Saine - 19 km
 Hérisson - 21 km
 Drouvenant - 18 km
 Cimante - 11 km
 Bienne - 69 km
 Oignin - 44 km
 Riez - 13 km
 Oiselon - 14 km
 Cozance - 12 km
 Albarine - 59 km

Right tributaries:
 Serpentine - 11 km
 Angillon - 27 km
 Valouse - 42 km
 Suran - 74 km
 Toison - 15 km

Gallery

Related pages
 List of rivers of France

References

Other websites

 La Basse Rivière d'Ain 

Category:Rivers of Bourgogne-Franche-Comté
Category:Rivers of Auvergne-Rhône-Alpes