Explore hiking trails around Benalup-Casas Viejas, Andalucía. The best hike near Benalup-Casas Viejas is SL-A 138 / SL-A 139 via Sendero del Río Guadiaro, a 12.7 mile oneway in Parque natural de la Sierra de Grazalema. Benalup-Casas Viejas has population 7272.0.