Explore hiking trails around La Roche-sur-le-Buis, Rhône-Alpes. The best hike near La Roche-sur-le-Buis is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. La Roche-sur-le-Buis has population 287.0.