Explore hiking trails around Saint-Martin-sur-Lavezon, Rhône-Alpes. The best hike near Saint-Martin-sur-Lavezon is La Châtaigneraie Loop via Les_Crottes, a 5.6 mile loop in Réserve naturelle des gorges de l'Ardèche. Saint-Martin-sur-Lavezon has population 443.0.