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Altamira Cave

The cavity was discovered in 1875 by M. Sanz de Sautuola, who carried out excavations inside it. Furthermore, between 1875 and 1879, he found the large black quadrangular signs at the back of the cave. In 1879, during Sautuola's excavations, his daughter María discovered the famous polychromes. In 1880, Sautuola published the results of [...]

15/06/2026|

El Soplao Cave

In addition to its geological value, the cave preserves an exceptional industrial archaeology heritage derived from the zinc and lead mining that was active in the Sierra de Arnero from the mid-19th century until the late 1970s. A replica of a mining train transports visitors through the La Isidra mining gallery to an underground station. [...]

15/06/2026|
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