A splendid circuit around the Montbrison massif against a backdrop of pine forests, alpine pastures and cliffs, its high point being a stunning crossing over the Col de Vallouise.

From the Le Courounba campsite, head to the bridge spanning the Gyronde. Turn right as you exit the bridge.

Turn left after the restaurants and carry on along the Rif Cros mountain stream.
Fork left and cross the mountain stream. Follow the hairpin track and balcony traverse until you come to the hamlet of Le Bouchier. Carry on uphill.
Continue on the left-hand track to reach the Col de la Trancoulette.
At the Col de la Trancoulette start the descent to the left, taking the marked route on the south-facing side of the valley to return to Les Vigneaux and your starting point.