Cérou
The Cérou is an long river in the Aveyron and Tarn departments in southern France. Its source is at Saint-Jean-Delnous, northwest of the village. It flows generally west-northwest. It is a left tributary of the Aveyron, into which it flows at Milhars, north of the village.It flows generally west through the following departments and communes, ordered from source to mouth:
- Aveyron: Saint-Jean-Delnous, Lédergues
- Tarn: Lédas-et-Penthiès, Lacapelle-Pinet, Padiès, Crespin, Andouque, Saint-Jean-de-Marcel, Valderiès, Rosières, Carmaux, Saint-Benoît-de-Carmaux, Monestiés, Le Ségur, Salles, Saint-Marcel-Campes, Cordes-sur-Ciel, Les Cabannes, Mouzieys-Panens, Vindrac-Alayrac, Labarthe-Bleys, Marnaves, Milhars
Tributaries
The Farruel, the Boutescure, the Céroc, the Candou, the Céret, the Zère, the Aymer, and the Bonnan.