Starting point: Place de la Mairie, Saint-Marcel-lès-Sauzet
(S/E) Follow the D6 towards Sauzet (north-east).
(1) Turn left onto the Chemin de la Grande Carrière and, when you reach the road, first turn right then left and continue along the path running alongside the field to reach the Chemin de Lavalenche.
(2) At the signpost for “Les Maitairies” (alt. 120m), follow the signs for Col de Perette to the left. Join the Chemin du Collet. After passing above the farm, turn left onto a path that climbs and you’ll soon reach a fork.
(3) Turn right onto the footpath, staying on the main track.
(4) At the junction with the Chemin des Fours, which leads downhill, continue to the right along the path.
(5) At the crossroads above the Chêne Vert housing estate, continue uphill to the right towards La Montagne. Follow the ridge to reach the Col de Perrette.
(6) Carry on straight ahead to reach the summit of Serre Rond (viewpoint to the north over the Rhône valley as far as Crussol Castle), then continue along the path which descends the south-western slope. You’ll reach a road.
(7) Turn left onto this road and, at the bend, take the Chemin des Bois to the Plein Sud housing estate.
(8) Walk along the wall on the left, going up the small path in line with Rue du Noyer. At the end, turn right and walk down past the cemetery via Montée de Maisonneuve.
(9) Turn left onto Route de la Coucourde and cross the D6 to return to the car park (S/E).