The route starts in front of the gate to the Grange du Pin campsite.
(S/E) Cross the campsite, go between the boulders and follow the path leading to some more boulders; climb over them and turn right immediately after the obstacle. Follow the path and, at the end, turn right onto the stony path before turning left onto a dirt track.
(1) In front of the greenhouses, turn right to walk past them. Follow the path opposite which runs alongside the houses.
(2) At the end of the path, turn left onto the Route du Plan d’Eau.
(3) At the mobile phone mast, take the path on the right which crosses the Bois de Treffort.
(4) At the junction, take the path opposite and continue until you reach a fork.
(5) Follow the grassy path on the right.
(6) When you reach the road, turn left onto the Chemin de Montevieille. At the end of this path, turn right and then, shortly afterwards, left onto the Allée des Écoliers towards Saint-Étienne-des-Bois.
(7) Return via the same route (S/E).