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 [...]
Its archaeological site, located in the vestibule, contains evidence of human presence spanning the last 150,000 years, which allowed German archaeologist Hugo Obermaier to establish the cultural sequence of the four main periods into which Prehistory is divided. Stratum 18c is internationally renowned for containing archaeological evidence of a possible coexistence between the last Neanderthals [...]
Twelve thousand years ago, the last hunter-gatherers who inhabited the Cantabrian Cornice used charcoal to sketch inside a small chamber. They depicted the final cold-climate animals to live in this region before their extinction, such as reindeer and a bison, alongside ibexes and horses. As they journey through the interior, visitors will be amazed by [...]
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. [...]
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