Explore hiking trails around Sère-Lanso, Midi-Pyrénées. The best hike near Sère-Lanso 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. Sère-Lanso has population 50.0.