Explore hiking trails around La Croix-sur-Ourcq, Picardie. The best hike near La Croix-sur-Ourcq is Carrefour du Portail Loop via Route Toudouze, a 3.0 mile loop in Parc naturel régional Oise-Pays de France. La Croix-sur-Ourcq has population 90.0.