Deep in the foothills of the Sierra de Atapuerca, a few kilometres from the unmissable archaeological site, a no less amazing underground tourist experience awaits you. It is the Mina Esperanza, where they mined iron destined for the blast furnaces of the Basque Country.
A mining adventure, with authenticity and loads of fun at the oldest manganese mine in Spain. According to historical sources, the ore mined here was considered the purest in the world, compared to other mines in Spain, Germany, Sweden or France.
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