Explore hiking trails around Saint-Loup-en-Champagne, Champagne-Ardenne. The best hike near Saint-Loup-en-Champagne is Le Jardinet Loop via Rue d'Hérissart and Rue de Membre, a 5.7 mile loop in Parc naturel Ardenne méridionale. Saint-Loup-en-Champagne has population 341.0.