The Dronne (, also Drône, ; ) is a 201 km long river in southwestern France, right tributary of the Isle, which itself is a tributary of the Dordogne. The source of the Dronne is in the north-western Massif Central, east of the town of Châlus (south-west of Limoges) at an elevation of 510 m. It flows south-west through the following départements and towns: The Dronne flows into the Isle in Coutras. Among its tributaries are the Lizonne and the Côle.