A long loop that takes you close to the beautiful Valles forest. Starts from the church of Saint-Fort (commune of Château-Gontier-sur-Mayenne).
A PR approved by the Comité départemental de la randonnée pédestre is a recognised quality route (varied landscapes, limited percentage of tarmac and presence of natural or historical sights) that meets the following conditions
safety and respect for the environments it crosses.