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 site is managed by CPIE Collines normandes.[2]
Geography
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][3]
It is spread across 70 different communes all within the Orne department;[1]