Bagné parking lot on the edge of the D921 (Attignat-Oncin road).
On a route of 5 km, you will be surprised by the diversity of natural habitats that you will cross: wet undergrowth, farming pastures and small hamlets...
Marking : From the parking lot, cross the road at the bridge and follow directions for Bagné (yellow signage). After 200m along a small road, the trail runs alongside a prairie before leading into the Grenand Canyon forest.Delicate passages : Caution! Short craggy pathway with a metallic footbridge and handrails. Very slippery sections in rainy days.Opening : All year round.