The most beautiful natural sites to discover Ordizia

At the center of the Aizkorri mountain range lies this nature park, which borders on Alava. At the heart of its 18,000 hectares of mountains and forests lie the Oria, Urola and Deba rivers. There's also the San Adrian tunnel, a natural cave that has served throughout history as an access route between Guipúzcoa and Álava. The possibilities for hiking here are immense, and you'll discover a wealth of flora and fauna.