Explore hiking trails around Gruissan, Languedoc-Roussillon. The best hike near Gruissan 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. Gruissan has population 5087.0.