Explore hiking trails around Castelgaillard, Midi-Pyrénées. The best hike near Castelgaillard 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. Castelgaillard has population 57.0.