Vallée de l'Orne et ses affluents translated as Orne Valley and tributaries is a Natura 2000 conservation area that is 2,115 hectares in size.[1]
Geography
The area is focused on Orne and 3 of its main tributaries, the laize, the Noireau and the Rouvre, as they flow through the different landscapes of Norman Switzerland.[2] These landscapes range from deep gorges, torrential or slow-flowing rivers, wet meadows, alluvial forests, escarpments, scree slopes, siliceous ledges, enclosed woods and hedgerows.[3]
It is spread across 21 different communes all within the departments of Orne and calvados;[2]
