The organisation named Communauté de Communes de l'Ernée is a group of municipalities in the department of the Mayenne, in Pays de la Loire. The total population of this intermunicipal organisation is 21055 inhabitants, spread across a surface area of 479.15 km². The population density is 43 inhabitants/km². The altitude varies between 52 metres and 249 metres. The Communauté de Communes de l'Ernée public intermunicipal cooperation establishment comprises the 15 municipalities listed below.