This is a protected zone of 1775-sq-km, which cut across the northern side of Seville province; it reveals a constant changing territory of thick green valleys and also gentle hills, rivers, and woodlands as well as atmospheric ancient villages and towns with forts and narrow white streets from the Islamic era.
Together with Parque Natural Sierra de Aracena y Picos de Aroche of the Huelva province, it constitutes most part of the western division of Andalucia’s sierra Morena. You can laze around these back roads with no competition arising from other tourist, thereby allowing you to simply enjoy sierra’s many walking as well as cycling trails.
Eighteen walks, mainly just for few hours are signposted at different locations. The foreign traveler’s offices in Constantina and also Cazalla de la Sierra can recommend local hikes as well as provide you with a map.