|region||Pays de la Loire|
|Community association||Vallées de la Braye et de l'Anille|
|surface||15.13 km 2|
|Residents||447 (January 1, 2017)|
|Population density||30 inhabitants / km 2|
Semur-en-Vallon is a French municipality with 447 inhabitants (as of January 1 2017) in the department of Sarthe in the region Pays de la Loire . It belongs to the Arrondissement of Mamers and the Canton of Saint-Calais (until 2015: Canton Vibraye ). The inhabitants are called Semurois .
Semur-en-Vallon is about 38 kilometers east of Le Mans on the banks of the small river Longuève . Semur-en-Vallon is surrounded by the neighboring communities Lavaré in the north, Vibraye in the east and northeast, Berfay in the southeast, Conflans-sur-Anille and Montaillé in the south, Condrecieux in the south and southwest and Dollon in the west.
|Source: Cassini and INSEE|
- Saint Martin Church
- Semur-en-Vallon Castle from the 15th / 16th centuries Century, Monument historique
- Peace Museum
There is a partnership with the German municipality of Wagenfeld in Lower Saxony (via the former canton Vibraye).