Vallée du Sarthon et affluents

The area is focused on the Sarthon river a tributary to the Sarthe river.^[1] The river flows from the Écouves forest massif creating alluvial plains.^[1]

It is spread across 12 different communes all within the departments of Orne and Mayenne;^[2]

Some of the protected site is within the Normandie-Maine Regional Natural Park.^[3]

The conservation area has nine species listed in Annex 2 of the Habitats Directive;^[4]

In addition the Natura 2000 site has five habitats protected under the Habitats Directive.^[4]