Explore hiking trails around Argelès-Gazost, Midi-Pyrénées. The best hike near Argelès-Gazost is Cascada Cola de Caballo Loop via Senda de Los Cazadores and Senda a la Cola de Caballo, a 11.7 mile loop in Parque Nacional Ordesa y Monte Perdido. Argelès-Gazost has population 2850.0.