The Cèze is a karstic French river, a right tributary of the Rhône. It runs through the departments of Lozère and Gard in the Occitanie region. It is 128 km (80 mi) long, and its basin area is 1,360 km2 (530 sq mi). Its source is in the Cévennes mountains, near Saint-André-Capcèze. It flows through Bessèges, Saint-Ambroix, Bagnols-sur-Cèze, and it flows into the Rhône at Codolet, southwest of Orange.