The Cérou is an 87.4 km (54.3 mi) long river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Aveyron

Aveyron

Aveyron is a département in southern France named after the Aveyron River.- History :Aveyron is one of the original 83 departments created during the French Revolution on 4 March 1790....

 and Tarn départements, southern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. Its source is at Saint-Jean-Delnous

Saint-Jean-Delnous

Saint-Jean-Delnous is a commune in the Aveyron department in southern France.-Population:-References:*...

, 1.8 km (1.1 mi) northwest of the village. It flows generally west-northwest. It is a left tributary of the Aveyron River

Aveyron River

The Aveyron is a 291 km long river in southern France, right tributary of the Tarn River. It rises in the southern Massif Central, near Sévérac-le-Château....

 into which it flows at Milhars

Milhars

Milhars is a commune in the Tarn department in southern France.-Geography:The Cérou river flows into the Aveyron River in the commune, 1.4 km north to the village itself....

, 1.4 km (0.869921831309729 mi) north of the village.

Départements and communes along its course

It flows generally west through the following départements and communes

Communes of France

The commune is the lowest level of administrative division in the French Republic. French communes are roughly equivalent to incorporated municipalities or villages in the United States or Gemeinden in Germany...

ordered from source to mouth:

• Aveyron: Saint-Jean-Delnous, Lédergues
  Lédergues
  Lédergues is a commune in the Aveyron department in southern France.-Population:-References:*...
  
  
• Tarn: Lédas-et-Penthiès
  Lédas-et-Penthiès
  Lédas-et-Penthiès is a commune in the Tarn department in southern France.-References:*...
  
  , Lacapelle-Pinet
  Lacapelle-Pinet
  Lacapelle-Pinet is a commune in the Tarn department in southern France.-References:*...
  
  , Padiès
  Padiès
  Padiès is a commune in the Tarn department in southern France.Padiès has a chateau situated on the outskirts of the village of Lempaut. is a unique Renaissance Château complex set in the Lauragais of Pastel fame – the “Pays de Cocaigne”, Cathar country and the land of the Troubadours.As one of the...
  
  , Crespin
  Crespin, Tarn
  Crespin is a commune in the Tarn department in southern France....
  
  , Andouque
  Andouque
  Andouque is a commune in the Tarn department in southern France....
  
  , Saint-Jean-de-Marcel
  Saint-Jean-de-Marcel
  Saint-Jean-de-Marcel is a commune in the Tarn department in southern France.-References:*...
  
  , Valderiès
  Valderiès
  Valderiès is a commune in the Tarn department in southern France.-References:*...
  
  , Rosières
  Rosières, Tarn
  Rosières is a commune in the Tarn department in southern France.-References:*...
  
  , Carmaux
  Carmaux
  Carmaux is a commune in the Tarn department in southern France.Carmaux was famous for its important coal mining and its glassworks . "In 1892, Jean Jaurès supported the miners of Carmaux when they went on strike over the dismissal of their leader, Jean Baptiste Calvignac."...
  
  , Saint-Benoît-de-Carmaux
  Saint-Benoît-de-Carmaux
  Saint-Benoît-de-Carmaux is a commune in the Tarn department in southern France.-References:*...
  
  , Monestiés
  Monestiés
  Monestiés is a commune in the Tarn department in southern France.It is a member of the Les Plus Beaux Villages de France association.-References:*...
  
  , Le Ségur
  Le Ségur
  Le Ségur is a commune in the Tarn department in southern France.-References:*...
  
  , Salles
  Salles, Tarn
  Salles is a commune in the Tarn department in southern France....
  
  , Saint-Marcel-Campes
  Saint-Marcel-Campes
  Saint-Marcel-Campes is a commune in the Tarn department in southern France.-References:*...
  
  , Cordes-sur-Ciel
  Cordes-sur-Ciel
  Cordes-sur-Ciel is a commune in the Tarn department in southern France.The fortified town was built in 1222 by Raimon VII, the Count of Toulouse, who, though not a Cathar himself, tolerated the heresy. The village is now a popular tourist spot...
  
  , Les Cabannes
  Les Cabannes, Tarn
  Les Cabannes is a commune in the Tarn department in southern France.-References:*...
  
  , Mouzieys-Panens
  Mouzieys-Panens
  Mouzieys-Panens is a commune in the Tarn department in southern France.-Monuments:The village is dominated by a castle that was built in the 12th century by Guillaume de Cadolhe. It was later fortified during the Hundred Year's War. It served as an outlook post for Cordes-sur-Ciel. In 1566, the...
  
  , Vindrac-Alayrac
  Vindrac-Alayrac
  Vindrac-Alayrac is a commune in the Tarn department in southern France.-References:*...
  
  , Labarthe-Bleys
  Labarthe-Bleys
  Labarthe-Bleys is a commune in the Tarn department in southern France.-References:*...
  
  , Marnaves
  Marnaves
  Marnaves is a commune in the Tarn department in southern France....
  
  , Milhars

Tributaries

Le Farruel (12.5 km), la Boutescure (15.4 km), le Céroc

Ceroc

Ceroc is a partner dance best described as a fusion of Salsa and Jive, but without the complicated footwork. It is derived from many other dances including French Jive, Swing, Lindy Hop, and Rock and Roll, the main change being simplified footwork which makes it more accessible to beginners.The...

 (17.6 km), le Candou, le Céret (28.5 km), la Zère, l'Aymer (12,2 km), le Bonnan.