Explore hiking trails around Mareuil-en-Brie, Champagne-Ardenne. The best hike near Mareuil-en-Brie is Chemin Halage Canal Marne - Aisne, a 12.9 mile oneway in Parc naturel régional de la Montagne de Reims. Mareuil-en-Brie has population 284.0.