Explore hiking trails around Serralongue, Languedoc-Roussillon. The best hike near Serralongue 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. Serralongue has population 219.0.