The Dourdou de Camarès is an 86.9 km (54.0 mi) long river in the Tarn, Hérault and Aveyron départements, southern France. Its source is in the Parc naturel régional du Haut-Languedoc, in the commune of Murat-sur-Vèbre, 5.5 km (3.4 mi) southeast of the village. It flows generally northwest.