Haute vallée de l'Orne et affluents translated as the Upper Orne Valley and tributaries is a Natura 2000 conservation area that is 20,593 hectares in size.[1]
The area is focused on the sources of the Orne and its main tributaries up to Putanges-Pont-Ecrepin, the area that is prone to flooding and has water all year round.[1] [2]
It is spread across 70 different communes all within the Orne department;[1]
The conservation area has thirteen species listed in Annex 2 of the Habitats Directive;[3]
In addition the Natura 2000 site has 19 habitats protected under the Habitats Directive.[3]