Explore hiking trails around Les Granges-Gontardes, Rhône-Alpes. The best hike near Les Granges-Gontardes is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. Les Granges-Gontardes has population 679.0.