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Aveyron (river) facts for kids

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Occitan: Avairon
Belcastel (Aveyron) pont.jpg
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
 - 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 / 44.31278°N 3.09389°E / 44.31278; 3.09389
Confluence Tarn
 - location Piquecos, Tarn-et-Garonne, France
 - elevation 71 m (233 ft)
 - coordinates 44°05′15″N 1°15′58″E / 44.08750°N 1.26611°E / 44.08750; 1.26611
Length 290.9 km (181 mi)
Basin 5,170 km² (1,996 sq mi)
Discharge for Piquecos
 - average 53.10 /s (1,875 cu ft/s)

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


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


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:

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:


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