Explore hiking trails around Saint-Paul-Trois-Châteaux, Rhône-Alpes. The best hike near Saint-Paul-Trois-Châteaux is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. Saint-Paul-Trois-Châteaux has population 8758.0.