Congrier
Congrier is a commune in the Mayenne department in north-western France.
The town of de Congrier belongs to the canton of de Saint-Aignan-sur-Roë and the district of de Château-Gontier. The inhabitants of de Congrier are called Congriéens and their number in the 1999 population census was 1036.Geography
The Semnon has its source in the commune.
The town's surface is 24.4 km².
It is situated at an altitude of about 80 meters.
