Coming from Saint-Marcellin-en-Forez, take a left onto route de Périgneux after La Roche junction on the D498, then another left, parking your car on La Roche old station esplanade.
(S/F) Follow the "aventure du rail" trail uphill to Estivarelle heading south-south-east.
(1) Cross the D105 at Marieux station and follow the "aventure du rail" trail until the "chemins de Sommériecq" crossing.
(2) A signpost indicates Nus which you'll follow to your right. At the top of the small hill, cross the D498 taking the path opposite slightly to the left, reaching the entrance of Nus. Head off to the left and continue until a crossing.
(3) Head up the road to the right.
(4) 50 m into the D498, a signpost indicates Lévitant. Take the path to your left which crosses the "ruisseau des Gros" (stream) arriving at Lévitant hamlet.
(5) Take the road to your left over 300 m leading to Vérines.
(6) Behind the bush, turn right onto the trail leading to the place called "Le Mont". Keep going until "La Roche".
(7) Take a right onto the road reaching the D498. In front of the restaurant, cross the road to get back to the starting point (S/F).