Saint-Ouën-des-Vallons () is a former commune in the

Mayenne Mayenne ( ) is a landlocked department in northwest France named after the river Mayenne. Mayenne is part of the administrative region of Pays de la Loire and is surrounded by the departments of Manche, Orne, Sarthe, Maine-et-Loire, and Il ...

department in north-western

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. From 1 January 2019 the commune was unified with Montsûrs-Saint-Céneré, Deux-Évailles and Montourtier, and the new municipality took the name of Montsûrs.Arrêté préfectoral
12 December 2018

See also