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Access: Coming from Crest, head towards Saillans on the D164, continue after the Mirabel and Blacons roundabout, cross the Drôme river and then turn left onto the D617 towards the Vallée de Charsac. Park on the side of the D617 just before the first bridge at the junction with the Chemin Sans Souci.
(S/E) Head south-east and immediately take the eastern path (the left fork). Pass the hamlet of Sans Souci on your right.
(1) At the second access road, climb up to the right into the woods via a well-marked path. This will take you to the ridge.
(2) Follow the ridge east for about 5 km.
(3) At the pass (after elevation 584), continue along the ridge. The trail turns north. Continue without paying attention to the trails that come in from either side until you reach the junction with theGR®9at the Col de Pourcheton.
(4) Turn left and follow theGR® (red and white markings) which passes below the Serre des Trois Bornes.
(5) Continue along theGR® northwards to reach the Col de la Tuillerie after a sharp bend to the right.
(6) Continue north-east and, at the next crossroads, turn left, still on the GR®. Return to the car park and the Chapelle Saint-Christophe (picnic area and tables).
(7) Take the wide path on the left towards Bélardes and follow it north-west for about 1.5 km.
(8) At the end of a hairpin bend (cairn), turn right onto a path that descends to cross the Charsac valley (ford). After crossing the stream, climb back up and join the Chemin Forestier des Bélardes.
(9) Immediately turn left into a meadow onto a path that crosses the D617 road (yellow and red markings).
(10) Continue along the path to the south-west for about 2 km.
(11) Continue west (mountain bike signs visible) to the Col de l'Armurier.
(12) Turn left, go downhill past some houses and join the D617 road.
(13) Follow this road to the start (S/E).
Visorando Member
Moderate 
Easy 
Local authority
