Explore hiking trails around Cœur-de-la-Vallée, Champagne-Ardenne. The best hike near Cœur-de-la-Vallée is Chemin Halage Canal Marne - Aisne, a 12.9 mile oneway in Parc naturel régional de la Montagne de Reims. Cœur-de-la-Vallée has population 648.0.