Isle (river)

The Isle () is a river of south-western France that flows through the Haute-Vienne, Dordogne and Gironde departments, in the Nouvelle-Aquitaine region. It is a right tributary of the Dordogne river.
Geography.
The Isle 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 61.7 cubic metres per second at Coutras.
Course.
The Isle starts on the "Monts du Limousin", part of the Massif Central, in the "commune" of Janailhac, Haute-Vienne department, at an elevation of about .
It flows generally southwest through the Haute-Vienne, Dordogne and Gironde departments before flowing into the Dordogne river in Libourne at about of altitude.
The Isle flows through 2 regions, 3 departments and 66 "communes". The main "communes" are:
Main tributaries.
The main tributaries (more than 50 km long) of the Isle river are: