The Diège (Occitan:Dieja) is a 54.4 km (33.8 mi) long river in the Corrèze département, south central France. Its source is at Saint-Setiers, on the plateau de Millevaches, in the parc naturel régional de Millevaches en Limousin. It flows generally southeast. It is a right tributary of the Dordogne into which it flows between Roche-le-Peyroux and Saint-Julien-près-Bort, 68 km (42 mi) southwest of Clermont-Ferrand.