Viaur

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Coordinates: 44°08′39″N 1°58′1″E / 44.14417°N 1.96694°E / 44.14417; 1.96694
Viaur
River
The Pont de Cirou over the Viaur
The Pont de Cirou over the Viaur.
Country France
Region Occitanie
Departments Aveyron, Tarn, Tarn-et-Garonne
Communes Vézins-de-Lévézou, Pont-de-Salars, Pampelonne, Laguépie, Saint-Martin-Laguépie
Tributaries
 - left Céor, Vioulou
 - right Lézert, Lieux, Jaoul
Source Puech del Pal
 - location Vézins-de-Lévézou, Aveyron, France
 - elevation 1,070 m (3,510 ft)
 - coordinates 44°16′38″N 3°0′13″E / 44.27722°N 3.00361°E / 44.27722; 3.00361
Confluence Aveyron
 - location Laguépie, Tarn-et-Garonne, France
 - elevation 155 m (509 ft)
 - coordinates 44°08′39″N 1°58′1″E / 44.14417°N 1.96694°E / 44.14417; 1.96694
Length 168.2 km (105 mi)
Basin 1,559 km² (602 sq mi)
Discharge for Laguépie
 - average 15.2 /s (537 cu ft/s)
Wikimedia Commons: 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[change | change source]

The Viaur river has a length of 168.2 km (104.5 mi) and a drainage basin with an area of 1,559 km2 (602 sq mi).[1]

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)|Aveyron]] river. Its average yearly discharge at Laguépie is 14.70 m3/s (519 cu ft/s).[2]

Average monthly discharge (m3/s) at Laguépie[2]

Course[change | change source]

The Viaur river starts on the sides of the Puech del Pal in the commune Vézins-de-Lévézou, in the Aveyron department, at an altitude of 1,070 m (3,510 ft).[3]

The Viaur passes through the departments and towns of:

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.[1]

Finally, it flows into the Aveyron river in the commune of Laguépie, in the Tarn-et-Garonne department, at 155 m (509 ft) of altitude.[4]

Main tributaries[change | change source]

The main tributaries of the Viaur are:

Gallery[change | change source]

Related pages[change | change source]

References[change | change source]

  1. 1.0 1.1 "Le Viaur (O5--0290)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 17 August 2017.
  2. 2.0 2.1 "Le Viaur à Laguépie" (in French). Banque Hydro. Retrieved 17 August 2017.
  3. "Source du Viaur" (in French). Géoportail. Retrieved 17 August 2017.
  4. "Confluence du Viaur" (in French). Géoportail. Retrieved 17 August 2017.