Landes du Tertre Bizet et Fosse Arthour is a Natura 2000 conservation area that is 222 hectares in size.
This site is made up of several environmental elements, where there is a mixture of forests, heather moors, rocky points and scree. There are two sectors to the protected area;
It is spread across 3 different communes all within two departments the Orne and Manche;
This protected site is within the Normandie-Maine Regional Natural Park.
The conservation area has one species listed in Annex 2 of the Habitats Directive, which is the southern damselfly.
In addition the Natura 2000 site has twelve habitats protected under the Habitats Directive.