Very difficult route. Departure point: Place du Champ de Mars A walk mostly in woodland, very varied, with fine ascents and descents.
Very varied, with fine ascents and descents: head for the Pierre Sanglante via the Route de Roche, 2km after crossing the river.
Further on, head for La Pierre Sanglante via the Chemin du Bois de la Dame. Stay on the forest track, always straight ahead.
After a short descent and ascent to Sensouzes, take the left-hand path, then the downhill path after Le Guot.
Turn right onto the road at Micoulaux, and go up track no. 2, still following the signs for La Pierre Sanglante.
Return to La Pierre Sanglante and head for Le Forillon 300n further on, before the house, take the steep left-hand path.
At Serre de Darne, follow the path to Le Forillon, then the track to the hamlet of Rouveyre. Turn right at Le Forillon, then follow the signs for Val Brian. At Les Radisses, head for Mont Brian.
At Gouste Soulet, turn right onto the rising road, and on the second rise, turn left onto the path through the woods to Draille de Chapoutier.
Turn right towards Grâne on a steep descent. At Landon, turn left on the track, then left on the road to the main road.
Turn right for approx. 500 m, then right onto the rising road. Follow for 1km.
At Fond de Brian, take the path on the left, on the track straight ahead, up to the houses, then on the right a steep path: pushing, carrying.
At the summit, cross the pelous and follow the path down to La Coste, then turn left downhill.
At Parpaillonne, turn left at the road towards Grâne. Cross the IME Val Brian, pass under the road, then turn right onto the path towards Les Freydières.
At the fork in the road, in front of the houses, turn right onto the main road. Turn left into the side lane, then left into the little path and the slide to go under the bridge.
Follow the gardens to the left, cross the road and at the cemetery 300 m further on, turn left on the footbridge to La Planche. Pass through the old village along the narrow streets and Grande Rue, past the foot of the bell tower to the square.
Itinerary on sale at Livron-sur-Drôme, Loriol-sur-Drôme and Mirmande tourist offices.