Explore hiking trails around Châtillon-sur-Marne, Champagne-Ardenne. The best hike near Châtillon-sur-Marne is Chemin Halage Canal Marne - Aisne, a 12.9 mile oneway in Parc naturel régional de la Montagne de Reims. Châtillon-sur-Marne has population 638.0.