The Aveyron (Occitan: Avairon) is a river in southern France. It is a tributary of the Tarn river. The Aveyron department is named after this river.
Geography
The Aveyron river has a length of 291 kilometres (180.8 miles) and a drainage basin with an area of 5,170 square kilometres (1,996 square miles).[1]
Its discharge (volume of water which passes through a section of the river per unit of time) has been observed from 1914 to 2017 in Piquecos, a commune of the Tarn-et-Garonne department close to the city of Montauban near the confluence with the Tarn river. Its average yearly discharge at Piquecos is 53.10 cubic metres per second (1,875 cubic feet per second).[2]
Average monthly discharge (m3/s) at Piquecos[2]
Course
The source of the Aveyron is in southern Massif Central, near the commune of Sévérac-le-Château, in the Aveyron department, at an altitude of 735 metres (2,411 feet).[3]
The Aveyron passes through the departments and towns of:
The Aveyron river flows through 62 communes. Three communes have the name of the river: Agen-d'Aveyron, Gaillac-d'Aveyron, Clairvaux-d'Aveyron.[1]
Finally, it flows into the Tarn river to the nortwest of Montauban, between Lafrançaise and Villemade, in the Tarn-et-Garonne department, at 71 metres (233 feet) of altitude.[4]
Main tributaries
The main tributaries of the Aveyron are:
Left tributaries:
- Viaur - 168.2 kilometres (104.5 miles)[5]
- Cérou - 87.1 kilometres (54.1 miles)[6]
- Vère - 53.2 kilometres (33.1 miles)[7]
- Serène de Sanvensa - 32.2 kilometres (20.0 miles)[8]
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Right tributaries:
- Alzou - 43.9 kilometres (27.3 miles)[9]
- Bonnette - 24.9 kilometres (15.5 miles)[10]
- Lère - 45.1 kilometres (28.0 miles)[11]
- Serre - 29.4 kilometres (18.3 miles)[12]
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References
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