Aizkorri-Aratz Natural Park has a surface area of 19,400 hectares and is located between the historic territories of Guipuzcoa and Alava.
The most significant characteristics of the park are the abundant quantity of limestone and the landscape and galleries formed by the circulation of underground water.
If you visit Aizkorri-Aratz Natural Park you must not miss the Sanctuary of Arantzazu, symbol of Basque culture. In the heart of the Natural Park, Basque culture, tradition, nature, art and much more come together.
In addition, thanks to the upgraded pathway anyone can access the Natural Park or has the chance to get to know the world of shepherds.