Park in the cross-country ski centre car park.
(S/E) Follow the small road and take the first path down to the right, following the sign for "Fontaine de Pétouze". Stay on this path until you reach the fountain.
(1) Continue straight ahead, heading south, and keep going in this direction.
(2) Turn left at a 90° angle.
(3) La Ravassière: continue straight ahead. Then head south again to reach the Fontaine de Pétouze.
(4) Take your time to read the information at this picnic area, then take the road south-west for about 500 metres.
(5) Leave the road and take the yellow and red marked trail that descends alongside it for a few dozen metres. This section offers a superb view of Royans. Stay on this path, following the markings.
(6) When you reach Sous Ravassière, turn left towards the west for 100 metres, then turn right, leaving Bournet on your left. Follow a beautiful open path that leads to the hamlet of Courtin.
(7) Leave Courtin on your right and continue north on the same path. 300 metres further on, a sign points towards "Chamfra": follow this direction, staying on the path marked in yellow and red. You will reach Chamfra, where you will rejoin the path you took on the way there.
(1) Turn left heading north to return to the car park of the cross-country ski centre, which you can see (S/E).