El Soplao is a cave located in the municipalities of Rionansa, Valdáliga and Herrerías in Cantabria, Spain. It is considered unique for the quality and quantity of geological formations in its 17 miles length, 6 of which are open to the public. In it are formations such as helictites and curtains . Its formation dates back to the Mesozoic, in particular the Cretaceous period 240 million years ago.The entrance is at 540 metres in the Sierra Soplao Arnero.
Source: Wikipedia.org
Copyright: Creative Commons 3.0
| | Public | Spanish
Cantabria, Spain
Discover the most beautiful and popular trails in the area, carefully bundled into appropriate selections.
Source: Flickr
Copyright: Creative Commons 2.0
Discover the most beautiful and popular attractions in the area, carefully bundled in appropriate selections.
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