Explore hiking trails around Saint-Dier-d'Auvergne, Auvergne. The best hike near Saint-Dier-d'Auvergne is Col de la Cabane Loop via Chemin des Mille Gouttes, a 10.3 mile loop in Réserve naturelle de Chastreix-Sancy. Saint-Dier-d'Auvergne has population 542.0.