The Aveyron is a 30.1 km (18.7 mi) long river in France, a right tributary of the Loing.The Aveyron flows into the Loing at Montbouy. Its discharge at La Chapelle-sur-Aveyron is 0.494 m3/s.
It crosses the following departments and communes:
Yonne: Champcevrais
Loiret: Le Charme, Saint-Maurice-sur-Aveyron, La Chapelle-sur-Aveyron, Montbouy