Viaur

The **Viaur** is a river in southern France, left tributary of the Aveyron river. It flows through the Aveyron, Tarn and Tarn-et-Garonne departments. 

## Geography
The Viaur river has a length of  and a drainage basin with an area of .

Its discharge (volume of water which passes through a section of the river per unit of time) has been observed from 1937 to 2017 in Laguépie, a *commune* of the Tarn-et-Garonne department near the confluence with the Aveyron river. Its average yearly discharge at Laguépie is .

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**Average monthly discharge (m3/s) at Laguépie**

The  Viaur passes through the departments and towns of:
* Aveyron : Bor-et-Bar, Pont-de-Salars, Ségur
* Tarn : Pampelonne, Mirandol-Bourgnounac
* Tarn-et-Garonne : Laguépie

The Viaur river flows through 30 *communes* and two of them have the name of the river: Sainte-Juliette-sur-Viaur and Saint-Just-sur-Viaur, both in the Aveyron department.

## Main tributaries 
The main tributaries of the Viaur are:

**Left tributaries**:
* Céor - 55.9&nbsp;km
* Vioulou - 33.1&nbsp;km

**Right tributaries**:
* Lézert - 39&nbsp;km
* Lieux - 25.3&nbsp;km
* Jaoul - 22.5&nbsp;km

## Gallery

File:Le Viaur à Pont de Cirou.JPG|The Viaur in *Pont de Cirou*.
File:Le village et le Pont de Cirou.JPG|The *Pont de Cirou*, bridge and hamlet
File:Le Viaur en mai 2012.JPG|The Viaur in *Roc del Gorp*.
File:LaguépieFrance1995.jpg|The Viaur in Laguépie.

## Related pages
* List of rivers of France

## References