Also known as "the witches' cave", this impressive complex of caves and galleries is undoubtedly a very interesting attraction that you cannot miss out on visiting. The main cavity was …
A spiritual sanctuary within another natural sanctuary. That is San Juan Xar. An area declared a Nature Reserve in 1987 for housing the only native hornbeam forest or Carpinus betulus, …
The Portupekoleze arch-cave, located in the Urbasa mountain range, is the spectacular result of water erosion, which over the millennia has created this enormous arch in the rock.