Departure from Place du Lavoir, marked P3 on the town hall map (at the corner of Route de Berardier and Avenue du Dauphiné.
(DA) Cross the bridge (heading south) then turn left onto Montée de la Piconnière. Continue to the junction of Rue de l'Ancienne École and Chemin de l'Estive.
(1) Continue straight ahead for 100 metres, then turn left onto Route de la Revollat. Continue for about 500 metres to reach a place called La Juliette. The road becomes a track.
(2) Follow Chemin de Mourrand, leaving a well-marked path on your right and, shortly afterwards, ignore a track that branches off to the left and start climbing into the forest.
(3) Note the Roman aqueduct a little below on the left. Continue along the path to its highest point.
(4) Turn left, then, at the edge of the forest, turn left again onto a fairly wide path that joins Chemin des Aqueducs. Follow the yellow markings. Turn left onto Rue des Anciens Combattants and continue for about 100 metres.
(5) Keep right onto Chemin des Frênes, cross Route de Saint-Sorlin carefully and continue along Chemin des Grands Airs. Pass the farm. The path becomes stony. Turn right after a short climb onto Chemin des Liesses and continue for 500 metres.
(6) At the green cross, do not follow the yellow markings. Continue straight ahead to Rue René Bon. Then turn right onto Chemin des Chênes until you reach the D167.
(7) Take it carefully to the left for 350 m. At the "No Parking" sign, turn right onto the path that goes up towards the tower. Pass in front of the European bee-eater dormitory.
(8) Follow the path on the right (ignore the paths on the left) and come out onto the Voie de l'Europe, which you will descend on the left. Cross Avenue du Dauphiné.
(9) Follow Rue de l'Ancienne École to the intersection you passed on the way there.
(1) Retrace your steps to return to Place du Lavoir (S/E).
