Clain

The **Clain** is a river in western France that flows through the Nouvelle-Aquitaine region. It flows into the Vienne river, as a left tributary.

## Geography
The Clain river has a length of  and a drainage basin with an area of approximately .

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is  at Dissay, south of Châtellerault near the confluence with the Vienne river.

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**Average monthly discharge (m3/s) at Dissay**

### Course
The Clain river starts in the Charente department near the border with the Vienne department, in the place called *Chapelle Beau Clain* to the south of the *commune* of Hiesse, at an elevation of about . From here, it flows to the north into the Vienne department.

Finally, the river flows into the Vienne river, on the left side, in the *commune* of Cenon-sur-Vienne near Châtellerault.

The Clain flows through 2 departments and 33 *communes*, in the Nouvelle-Aquitaine region:
* Charente: Hiesse, Alloue.
* Vienne: Champagne-Saint-Hilaire, Pressac, Epenede, Romagne, Sommières-du-Clain, Château-Garnier, Joussé, Payroux, Mauprevoir, Saint-Martin-l'Ars, Voulon, Anche, Naintré, Beaumont, Vouneuil-sur-Vienne, Saint-Cyr, Migne-Auxances, Jaunay-Clan, Chasseneuil-du-Poitou, Saint-Georges-lès-Baillargeaux, Dissay, Liguge, Poitiers, Saint-Benoit, Buxerolles, Smarves, Iteuil, Roches-Premarie-Andille, Aslonnes, Vivonne, Cenon-sur-Vienne (confluence).

## Main tributaries 
The main tributaries of the Clain river are:

## Gallery

File:Le Clain au Pont Saint-Cyprien à Poitiers.JPG|The Clain in the *Pont Saint-Cyprien*, Poitiers.
File:Clain a Poitiers.jpg|The Clain in Poitiers.
File:Chasseneuil-du-Poitou le Clain.JPG|The Clain in Chasseneuil-du-Poitou.
File:Romagne La Millière 2012.jpg|*Pont de la Millière* over the Clain, Romagne.

## Related pages
* List of rivers of France

## References
## Other websites
* Banque Hydro - Station L2501610 - Le Clain à Dissay