Aveyron (river)

Aveyron
Occitan: Avairon
River
15th-century bridge at Belcastel, Aveyron
Country	France
Region	Occitanie
Departments	Aveyron, Tarn, Tarn-et-Garonne
Communes	Sévérac-le-Château, Laissac, Rodez, Villefranche-de-Rouergue, Najac, Penne, Saint-Antonin-Noble-Val, Bruniquel, Montricoux, Nègrepelisse, Piquecos
Tributaries
- left	Viaur, Cérou, Vère, Serène
- right	Alzou, Bonnette, Lère, Serre
Cities	Rodez, Villefranche-de-Rouergue
Source	Causse de Sévérac
- location	Sévérac-le-Château, Massif Central, France
- elevation	735 m (2,411 ft)
- coordinates	44°18′46″N 3°05′38″E
Confluence	Tarn
- location	Piquecos, Tarn-et-Garonne, France
- elevation	71 m (233 ft)
- coordinates	44°05′15″N 1°15′58″E
Length	290.9 km (181 mi)
Basin	5,170 km² (1,996 sq mi)
Discharge	for Piquecos
- average	53.10 m³/s (1,875 cu ft/s)
Wikimedia Commons: Aveyron River

The Aveyron (Occitan: Avairon) is a river in southern France, tributary of the Tarn river. The Aveyron department is named after this river.

Geography

The Aveyron river has a length of 291 km (180.8 mi) and a drainage basin with an area of 5,170 km² (1,996 sq mi).

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 m³/s (1,875 cu ft/s).

Average monthly discharge (m³/s) at Piquecos

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 m (2,411 ft).

The Aveyron passes through the departments and towns of:

• Aveyron : Sévérac-le-Château, Laissac, Rodez, Villefranche-de-Rouergue, Najac
• Tarn : Penne
• Tarn-et-Garonne : Saint-Antonin-Noble-Val, Bruniquel, Montricoux, Nègrepelisse, Piquecos

The Aveyron river flows through 62 communes. Three communes have the name of the river: Agen-d'Aveyron, Gaillac-d'Aveyron, Clairvaux-d'Aveyron.

Finally, it flows into the Tarn river to the nortwest of Montauban, between Lafrançaise and Villemade, in the Tarn-et-Garonne department, at 71 m (233 ft) of altitude.

Main tributaries

The main tributaries of the Aveyron are:

Left tributaries:

• Viaur - 168.2 km;
• Cérou - 87.1 km;
• Vère - 53.2 km;
• Serène de Sanvensa - 32.2 km;

Right tributaries:

• Alzou - 43.9 km;
• Bonnette - 24.9 km;
• Lère - 45.1 km;
• Serre - 29.4 km;

Gallery

• 

  Source of the Aveyron.

• 

  Aveyron river in Najac.

• 

  The Aveyron in Villefranche-de-Rouergue.

• 

  The Aveyron river near Piquecos.

• 

  Bridge over the Aveyron in Montrozier.

Related pages

• List of rivers of France

Other websites

• Banque Hydro - Station O5882510 - l'Aveyron à Piquecos (in French)