3 km from the village center of Le Reposoir, heading toward the Col de la Colombière, at a place called Saint-Bruno, turn right at the sign that says “gîte d’étape 800 m,” follow the road by car for 500 m, park, then continue on foot for 300 m.
You can park near the "gîte d'étape 800 m" sign along the road.