Tardoire

The Tardoire is a river in southwestern France, left tributary to the river Bonnieure. Its source is in Châlus, in the Haute-Vienne département. It flows into the Bonnieure near Saint-Ciers-sur-Bonnieure. Over much of its length, the Tardoire flows underground.

It flows through the following départements and towns:

Haute-Vienne: Châlus, Cussac 
Charente: Montbron, La Rochefoucauld

References 
http://www.geoportail.fr
The Tardoire at the Sandre database

Category:Rivers of France
Category:Rivers of Nouvelle-Aquitaine
Category:Rivers of Haute-Vienne
Category:Rivers of Charente