Explore hiking trails around Séméacq-Blachon, Aquitaine. The best hike near Séméacq-Blachon is Lac Nere Loop via Tour des Lacs d'Embarrats - Pourtet - Nère, a 12.8 mile loop in Parc national des Pyrénées (cœur). Séméacq-Blachon has population 159.0.