Guidebook with maps/step-by-step
1/ From the Plateau de la Croix, take the wide road that continues along the paved road.
2/ When you arrive at the Déchapieu, continue straight uphill, then at the place called Chattrix, take the path starting on the right between two farms. Then follow the road of Hermance to the Cross of Christ.
3/ At the arrival station of the Chairlift of the Cross of Christ, take the path rising to the right on the Route des Crêtes. Continue straight ahead until you reach the finish of the Chairlift of the Epaule du Joly. The path to take part straight on the ridge, follow it until the summit of Mont Joly.
4/ From the top of Mont Joly, the way back to your starting point is on the same route as on the way out.