Cerro del Hierro Natural Monument
Situated in the Sierra Norte de Sevilla Natural Park near the village of San Nicolás del Puerto is the Cerro del Hierro (Iron Hill). As well as being a former Roman mining site, the Cerro del Hierro is noteworthy for its limestone features, among the most outstanding in Andalucia, which include chasms and gullies. Its unique microclimate means that there are some interesting plants.
Access
The Cerro del Hierro is located just off the SE-163 road that runs between San Nicolás del Puerto and Constantina. it is about 7km from San Nicolas del Puerto.