La Combe des Roches - Circuit de l'Orselle (1719m)

Starts : From the Roches hamlet / From the Chef-lieu of St Colomban following the Pierre Bozon path (in front of the city hall).

Descriptive: A track leading deep in the Roches valley allowing plants observation. At the start see the track (Passerelle du Plâte) then, at the Plâtre footbridge, choose, go up by the torrent bank (right bank shadier) to go down by the other. Deep in, you’ll see the Orselle ruins. Cross the torrent thanks to a footbridge.