The Vire is a 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 Normandy

Normandy

Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

, 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...

 whose 128 km course crosses the départements

Départements of France

The departments of France are French administrative divisions. The 101 departments form one of the three levels of local government, together with the 22 metropolitan and 5 overseas regions above them and more than 36 000 communes beneath them...

of Calvados

Calvados

The French department of Calvados is part of the region of Basse-Normandie in Normandy. It takes its name from a cluster of rocks off the English Channel coast...

 and Manche

Manche

Manche is a French department in Normandy named after La Manche , which is the French name for the English Channel.- History :Manche is one of the original 83 departments created during the French Revolution on March 4, 1790...

, flowing through the towns of Vire

Vire

Vire is a commune in the Calvados department in the Basse-Normandie region in northwestern France.- History :In 1123, Henri I Beauclerc, King of England and Duke of Normandy, had a redoubt constructed on a rocky hill top, which was surrounded by the Vire river...

, Saint-Lô

Saint-Lô

Saint-Lô is a commune in north-western France, the capital of the Manche department in Normandy.-History:Originally called Briovère , the town is built on and around ramparts. Originally it was a Gaul fortified settlement...

 and Isigny-sur-Mer

Isigny-sur-Mer

Isigny-sur-Mer is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Positioned at the bottom of the baie des Veys, Isigny is an important milk production area, known for its AOC butter and cream, as well as its cheeses made by the Isigny Sainte...

, finally flowing out into the English Channel

English Channel

The English Channel , often referred to simply as the Channel, is an arm of the Atlantic Ocean that separates southern England from northern France, and joins the North Sea to the Atlantic. It is about long and varies in width from at its widest to in the Strait of Dover...

.(Atlas, 2007)

The outflow of the Vire has been canalized and forms the port of Isigny-sur-Mer.

The poets of the Vire valley (Vau de Vire) are said to have given rise to vaudeville

Vaudeville

Vaudeville was a theatrical genre of variety entertainment in the United States and Canada from the early 1880s until the early 1930s. Each performance was made up of a series of separate, unrelated acts grouped together on a common bill...

.

Places along the river:

• Calvados
  Calvados
  The French department of Calvados is part of the region of Basse-Normandie in Normandy. It takes its name from a cluster of rocks off the English Channel coast...
  
   (14) : Vire
  Vire
  Vire is a commune in the Calvados department in the Basse-Normandie region in northwestern France.- History :In 1123, Henri I Beauclerc, King of England and Duke of Normandy, had a redoubt constructed on a rocky hill top, which was surrounded by the Vire river...
  
  , Pont-Farcy
  Pont-Farcy
  Pont-Farcy is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-History:Pont Farcy has its origins in Gallo-Roman times: the town has always been an important crossing place due to its bridge over the River Vire. It was also passed through by the Norman Dukes...
  
  , Isigny-sur-Mer
  Isigny-sur-Mer
  Isigny-sur-Mer is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Positioned at the bottom of the baie des Veys, Isigny is an important milk production area, known for its AOC butter and cream, as well as its cheeses made by the Isigny Sainte...
  
  
• Manche
  Manche
  Manche is a French department in Normandy named after La Manche , which is the French name for the English Channel.- History :Manche is one of the original 83 departments created during the French Revolution on March 4, 1790...
  
   (50) : Tessy-sur-Vire
  Tessy-sur-Vire
  Tessy-sur-Vire is a commune in the Manche department in Normandy in north-western France.-Heraldry:-See also:*Communes of the Manche department...
  
  , Troisgots
  Troisgots
  Troisgots is a commune in the Manche department in Normandy in north-western France....
  
  , Torigni-sur-Vire
  Torigni-sur-Vire
  Torigni-sur-Vire is a commune in the Manche department in Normandy in north-western France.-Heraldry:-See also:*Communes of the Manche department...
  
  , Condé-sur-Vire
  Condé-sur-Vire
  -People:Among well known people born here is Father Jean de Brébeuf, a martyr and since 1930 a Catholic saint.-See also:*Communes of the Manche department...
  
  , Sainte-Suzanne-sur-Vire
  Sainte-Suzanne-sur-Vire
  Sainte-Suzanne-sur-Vire is a commune in the Manche department in Normandy in north-western France.-References:*...
  
  , Saint-Lô
  Saint-Lô
  Saint-Lô is a commune in north-western France, the capital of the Manche department in Normandy.-History:Originally called Briovère , the town is built on and around ramparts. Originally it was a Gaul fortified settlement...
  
  , Rampan
  Rampan
  Rampan is a commune in the Manche department in north-western France....
  
  , Pont-Hébert
  Pont-Hébert
  Pont-Hébert is a commune in the Manche department in Normandy in north-western France....
  
  , La Meauffe
  La Meauffe
  La Meauffe is a commune in the Manche department in Normandy in north-western France.-Heraldry:...
  
  , Cavigny
  Cavigny
  Cavigny is a commune in the Manche department in Normandy in north-western France....
  
  

Hydrology and water quality

The generally brownish waters of the Vire are moderately alkaline having been tested by Lumina Tech as pH

PH

In chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Pure water is said to be neutral, with a pH close to 7.0 at . Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline...

 8.31. (Hogan, 2006) The river waters are relatively turbid, with a Secchi disc measurement of 12 centimetres.