Explore hiking trails around Castillon-en-Couserans, Midi-Pyrénées. The best hike near Castillon-en-Couserans is Coret de Uelhicrestada via Camin des Banhs de Tredòs, a 17.7 mile oneway in Parc Nacional d'Aigüestortes i Estany de Sant Maurici. Castillon-en-Couserans has population 423.0.