Explore hiking trails around Piégros-la-Clastre, Rhône-Alpes. The best hike near Piégros-la-Clastre is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. Piégros-la-Clastre has population 889.0.