Learn a few things about the exploration and geological discoveries of yesteryear at Pena de Hierro. From the resources dug up to the equipment used, this attraction shines a spotlight on an important era of local industry.
Situated in Nerva, this inactive mine site is worth a visit. But you'll find plenty more to check out in this area. Museo Minero, Parque Minero de Riotinto, and Corta Atalaya aren't too far away from Pena de Hierro.