Explore hiking trails around Rennes-le-Château, Languedoc-Roussillon. The best hike near Rennes-le-Château is Collada del Pla de l'Arca via Camí de Requesens al Pla de l'Arca, a 13.6 mile oneway in Alta Garrotxa-Massís de les Salines. Rennes-le-Château has population 89.0.