Viaur

Viaur
The Viaur at Laguépie.
Country	France
Basin features
Main source	Massif Central 1,070 m (3,510 ft)
River mouth	Aveyron 44°8′39″N 1°58′1″E / 44.14417°N 1.96694°E / 44.14417; 1.96694 (Aveyron-Viaur)Coordinates: 44°8′39″N 1°58′1″E / 44.14417°N 1.96694°E / 44.14417; 1.96694 (Aveyron-Viaur)
Progression	Aveyron→ Tarn→ Garonne→ Atlantic Ocean
Basin size	1,530 km2 (590 sq mi)
Physical characteristics
Length	168 km (104 mi)
Discharge	Average rate: 6 m3/s (210 cu ft/s)

The Viaur is a 168 km long river in south-western France, left tributary of the Aveyron River. Its source is in the southern Massif Central, north of Millau. It flows generally west through the following départements and towns:

The Viaur flows into the Aveyron River in Laguépie.

Its main tributary is the Céor.