river in France From Wikipedia, the free encyclopedia
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.
Viaur | |
---|---|
Location | |
Country | France |
Physical characteristics | |
Source | |
- location | Massif Central |
- elevation | 1,070 m (3,510 ft) |
Mouth | |
- location | Aveyron |
- coordinates | 44°8′39″N 1°58′1″E |
Length | 168 km (104 mi) |
Basin size | 1,530 km2 (590 sq mi) |
Discharge | |
- average | 6 m3/s (210 cu ft/s) |
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. Its average yearly discharge at Laguépie is 14.70 m3/s (519 cu ft/s).[2]
Average monthly discharge (m3/s) at Laguépie[2]
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]
The main tributaries of the Viaur are:
Left tributaries:
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Right tributaries:
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