Clain
The Clain is a long river in western France, a left tributary of the river Vienne. Its source is near Hiesse, in the Charente department.
The Clain flows generally north, through the following departments and towns:
It joins the Vienne near Châtellerault, in Cenon-sur-Vienne.
Among its tributaries are the Boivre, the Clouère and the Vonne.
