The Céor () is a long river in the Aveyron department in southern France. Its source is at Salles-Curan, southwest of the lac de Pareloup. It flows generally west-southwest. It is a left tributary of the Viaur, into which it flows at Saint-Just-sur-Viaur. Communes along its course This list is ordered from source to mouth: Aveyron: Salles-Curan, Arvieu, Salmiech, Cassagnes-Bégonhès, Centrès, Rullac-Saint-Cirq, Meljac, Saint-Just-sur-Viaur References Rivers of France Rivers of Occitania (administrative region) Rivers of Aveyron