Explore hiking trails around Castelnau-Picampeau, Midi-Pyrénées. The best hike near Castelnau-Picampeau 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. Castelnau-Picampeau has population 217.0.