The Meu is an 84.8 km (52.7 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 Côtes-d'Armor

Côtes-d'Armor

Côtes-d'Armor is a department in the north of Brittany, in northwestern France.-History:Côtes-du-Nord was one of the original 83 departments created during the French Revolution on 4 March 1790. It was created from part of the former province of Brittany. Its name was changed in 1990 to...

 and Ille-et-Vilaine

Ille-et-Vilaine

Ille-et-Vilaine is a department of France, located in the region of Brittany in the northwest of the country.- History :Ille-et-Vilaine is one of the original 83 departments created during the French Revolution on March 4, 1790...

 départements, north western 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-Vran

Saint-Vran

Saint-Vran is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Population:Inhabitants of Saint-Vran are called brennoviens.-References:*...

, 2.4 km (1.5 mi) west of the village. It flows generally southeast. It is a right tributaryof the Vilaine into which it flows at Goven

Goven

Goven is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demographics:Inhabitants of Goven are called in FrenchGovenais.-References:* ;* -External links:* *...

, 5.7 km (3.5 mi) northeast of the village.

Départements and communes along its course

This list is ordered from source to mouth:

• Côtes-d'Armor: Saint-Vran, Mérillac
  Mérillac
  Mérillac is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Geography:The Meu forms part of the commune's southern border....
  
  , Merdrignac
  Merdrignac
  Merdrignac is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Population:Inhabitants of Merdrignac are called merdrignaciens.-External links:*...
  
  , Saint-Launeuc
  Saint-Launeuc
  Saint-Launeuc is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Geography:The Meu forms the commune's southern border.The Rance forms the commune's northern border.-External links:* *...
  
  , Trémorel
  Trémorel
  Trémorel is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Population:Inhabitants of Trémorel are called trémorelois.-External links:* *...
  
  , Loscouët-sur-Meu
  Loscouët-sur-Meu
  Loscouët-sur-Meu is a commune in the Côtes-d'Armor department in Bretagne in northwestern France.-Population:Inhabitants of Loscouët-sur-Meu are called loscoetais.-References:*...
  
  
• Ille-et-Vilaine: Gaël
  Gaël
  Gaël is a commune in the Ille-et-Vilaine department of Brittany in north-western France.It lies southwest of Rennes between Saint-Méen-le-Grand and Mauron...
  
  , Muel
  Muel, Ille-et-Vilaine
  Muel is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demographics:-References:* ;* -External links:*...
  
  , Bléruais
  Bléruais
  Bléruais is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demography:As of the census of 1999, the village had a population of 60. The estimate for 2004 was 76....
  
  , Saint-Maugan
  Saint-Maugan
  Saint-Maugan is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demographics:Inhabitants of Saint-Maugan are called in French Malganais.-References:* * -External links:*...
  
  , Saint-Gonlay
  Saint-Gonlay
  Saint-Gonlay is a commune in the Ille-et-Vilaine department in Brittany in north-western France.-Demographics:Inhabitants of Saint-Gonlay are called in French Gonlaysiens.-References:* * -External links:* *...
  
  , Iffendic
  Iffendic
  Iffendic is a commune in the Ille-et-Vilaine department of Brittany in north-western France.It is on the river Meu. The local church in Iffendic dates back to 1122...
  
  , Montfort-sur-Meu
  Montfort-sur-Meu
  Montfort-sur-Meu is a commune in the Ille-et-Vilaine department of Brittany in north-western France.It is noted as the birthplace of the well known author and Roman Catholic Saint Louis de Montfort, who is considered the pioneer of the field of Mariology. The saint's birthplace is at No 15, Rue de...
  
  , Breteil
  Breteil
  Breteil is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demography:The inhabitants of Breteil are known in French as Breteillais.-References:* ;* -External links:* * *...
  
  , Talensac
  Talensac
  Talensac is a commune in the Ille-et-Vilaine department in Brittany in north-western France.-Demographics:Inhabitants of Talensac are called Talensacois.-References:* ;* -External links:* *...
  
  , Cintré
  Cintré
  Cintré is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Demographics:Inhabitants of Cintré are called in French Cintréens.-References:* ;* -External links:* *...
  
  , Mordelles
  Mordelles
  Mordelles is a commune in the Ille-et-Vilaine department in Bretagne in north-western France.-Demographics:Inhabitants of Mordelles are called Mordelais.-References:* ;* -External links:* *...
  
  , Bréal-sous-Montfort
  Bréal-sous-Montfort
  Bréal-sous-Montfort is a commune in the Ille-et-Vilaine department of the region of Brittany in north-western France.It is located in the outer southwest district of Rennes, near the Broceliand woods.-Demographics:...
  
  , Chavagne
  Chavagne
  Chavagne is a commune in the Ille-et-Vilaine department of Brittany in north-western France.-Geography:The river Meu forms all of the commune's southern border, then flows into the Vilaine, which forms all of its eastern border.-Demographics:...
  
  , Goven