Oison (river)

The Oison is a small river in the Eure department, Normandy, France. It is a left tributary of the Seine. Its source is in the commune of Saint-Amand-des-Hautes-Terres, and it flows into the Seine near Saint-Pierre-lès-Elbeuf. Its total length is 16 km.

Val d'Oison
Eight villages in the valley of the Oison (Val d'Oison) are twinned with the civil parish of Clanfield, United Kingdom.