Montchauvet () is a commune in the Yvelines department in the Île-de-France region in north-central France. River A small river named Ru d'Ouville traverses Montchauvet, passing through four other communes to a total length of . The Ru d'Ouville is a tributary of the Vaucouleurs which in turn empties into the Seine. History A British bomber was shot down in the area of Montchauvet on 8 June 1944. The six men of its crew rest in the local graveyard. See also Communes of the Yvelines department References External links Official website Communes of Yvelines