Coming from Chambéry, park in the car park before the tunnel.
(S/E) Take the Voie Sarde south, then south-west.
(1) At the foot of the cliff, stay on the Voie Sarde, continuing south-west. Continue downhill until you reach the road.
(2) Head towards the Pont Saint-Martin bridge over the Guiers Vif river, go to the Roman bridge and continue on for a round trip in the Gorges de l'Échaillon, where the Guiers Vif torrent flows.
(3) Return to the fork you passed on the way there.
(2) To climb up to the right via theGR®9trail of Échaillon (red and white markings). The climb is steep until you reach the signpost for Échaillon.
(4) Leave theGR®9and turn left towards the Ravoire plateau and the Belvédère de Gerbaix. Continue along the path at the edge of the cliff until you reach the sign for "Bois de la Ravoire"
(5) Turn left at the Belvédère de Gerbaix.
(6) Return to the sign.
(5) From the sign, head towards Les Charmilles along a forest path. From this point, follow the white arrows marking the "Azil et Magda" trail.
The route leads to the archaeological site of La Fru. Follow the white arrows to reach the Charmilles car park.
Then continue along the path. The plateau is criss-crossed by numerous tracks and paths that are not well signposted, so follow the marked route that leads back to the edge of the cliff overlooking the Via Sarde canyon.
Descend easily into the canyon via a metal structure to rejoin the Via Sarde.
(1) Climb up the Via Sarde on the right to return to the car park (S/E), which is nearby.