Explore hiking trails around les Valls de Valira, AND-00 (Andorra aggregation). The best hike near les Valls de Valira 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. les Valls de Valira has population 794.0.