Risle, Guiel, Charentonne is a Natura 2000 site around the rivers and valleys of the Risle, Charentonne, Guiel and their tributaries and valleys of these rivers.
The area is 4,747 hectares in size and is mostly within the Eure department of Normandy, with the remaining 7% of the area based in the Orne department. The valleys of the protected area which the rivers run through are an Alluvial plain.
It is spread across 70 different communes all within the Orne department;
The conservation area has eighteen species listed in Annex 2 of the Habitats Directive;
In addition the Natura 2000 site has seven habitats protected under the Habitats Directive.