Explore hiking trails around Blousson-Sérian, Midi-Pyrénées. The best hike near Blousson-Sérian is Lac Nere Loop via Tour des Lacs d'Embarrats - Pourtet - Nère, a 12.8 mile loop in Parc national des Pyrénées (cœur). Blousson-Sérian has population 36.0.