This article is about the river in south west France. For the river in Somerset, England, see River Isle
The Isle (Occitan: Eila) is a 255 km long river in south-western France, right tributary of the Dordogne. Its source is in the north-western Massif Central, near the town Nexon (south of Limoges). It flows south-west through the following départements and towns:
It flows into the Dordogne River in Libourne. Among the tributaries of the Isle are the Auvézère, the Loue, the Beauronne and the Dronne.