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Parking is available on the side of the D274 road below the Dents du Diable.
(S/E) From the car park, head north and downhill.
(1) Less than 100 metres later, leave the road and follow theGR®420(red and white markings) to the right. Stay parallel to the road, which is located higher up. Then leave the road, enter the woods and go around the Grosse Roche on the right. You will come to a large track and follow it to the left for about 100 metres.
(2) At the crossroads, continue straight ahead on the flat track and leave theGR® which climbs to the right. In the forest, you will have views of Chaudeyrolles and Mont Signon. You will arrive at the ridge line coming from Mont Mezenc. Ignore a path on the right.
(3) At a point on the ridge (elevation 1508), turn left (north) and descend. The trail then heads east and turns north, losing altitude. After a few bends, you will arrive at a platform that allows you to observe the large La Rochette peat bog from above without damaging the natural environment.
(4) Continue down the path until you reach an intersection.
(5) Turn right at a sharp angle (south-southeast). After about 300 metres, you will arrive at another, smaller bog, where there is a platform so that you do not trample the environment.
(6) The path then climbs slightly to reach the Médille ridge, which you follow to a small pass.
(7) Cross a fence (close it behind you) and climb up the Brousson ridge. You will soon see a strange object: the windograph! This surprising invention was created by a local artist (Nicolas Savoye) in collaboration with the École du Vent.
(8) Retrace your steps back to the small pass.
(7) Then turn right (north). Pass the hamlet of Chanal and, after a slight climb, you will reach a small pass. Descend on the other side to reach the hamlet of Les Cris. Follow the road to the left until you reach the Chantemerle crossroads.
(9) Follow the D274 to the left. Climb a little, cross Le Salin and pass a car park on the right.
(1) Continue for less than a hundred metres to return to the starting car park (S/E).
Visorando member
Moderate 
