Oise (river)
river in Belgium and France
The Oise is a river in Belgium and France. It has 341 km (212 mi) long. The river starts in the Belgian province of Hainaut, south of Chimay. It flows into the Seine at Conflans-Sainte-Honorine.
The river flows through the departments: Aisne, Oise, Val-d'Oise and Yvelines.