Explore hiking trails around Francillon-sur-Roubion, Rhône-Alpes. The best hike near Francillon-sur-Roubion is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. Francillon-sur-Roubion has population 188.0.