Caves in Basque Country offer a diverse range of natural wonders and geological formations. This region, situated on the Atlantic coast of Spain and France, features a varied landscape of mountains, valleys, and a coastline shaped by karstic processes. The area is known for its extensive underground systems, which include significant paleontological and archaeological sites. These caves provide insights into prehistoric human activity and unique geological features.
Last updated: April 29, 2026
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A beautiful set of caves that, very rarely, have a waterfall with water.
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The path branches off from the main trail and is unfortunately now completely overgrown.
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Access to the foot of the waterfall is dangerous and from the path, you can't see much ☹️
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If you climb from Araotz, follow the PR, and the climb is very easy and short. From the cave parking lot, it's much steeper and zigzags. About 2.5 or 3 km with a lot of elevation gain.
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This stop along the way is always worth it.
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This time I went about 100-200 meters, until I reached some stairs with something resembling railings. I didn't go any further because I was alone, without signal, and I was afraid of going any further.
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The Basque Country's caves offer diverse geological wonders. Los Goros Caves are known for their impressive water formations, especially after rain or snow. The Pozalagua Caves are famous for housing the world's largest concentration of eccentric stalactites, which grow in unusual, gravity-defying directions. Additionally, the Verna Cave in the French Basque Country features the largest accessible underground room globally.
Yes, the region is rich in prehistoric sites. Ekainberri is an exact replica of the original Ekain Cave, a UNESCO World Heritage site, showcasing spectacular Upper Paleolithic cave paintings. The Santimamiñe Cave preserves evidence of human settlements from over 14,000 years ago and significant cave paintings. Isturitz and Oxocelhaya Caves are major prehistoric sites with numerous archaeological findings and ancient art. Altxerri Cave, also a UNESCO World Heritage site, is known for its rock paintings and engravings, with some artwork estimated to be 39,000 years old.
Los Goros Caves are considered family-friendly, offering an engaging experience for all ages. Ekainberri, the replica of Ekain Cave, also provides interactive activities that are great for learning about prehistoric art with children.
Yes, the Pozalagua Caves are easily accessible, including for people with disabilities, thanks to well-maintained walkways that facilitate the visit through its unique formations.
The Arrikrutz Caves are a significant paleontological site. Here, remains of cave bears and cave lions have been discovered, including the only complete skeleton of a cave lion found on the Iberian Peninsula. Guided tours allow visitors to explore these archaeological remains.
Many caves in the Basque Country can be visited year-round. However, some, like Los Goros Caves, are particularly impressive after rain or snow due to the enhanced water formations inside and outside. For prehistoric art sites like Ekainberri or Santimamiñe, indoor visits are less weather-dependent.
Yes, the San Adrián Tunnel is a notable historical site. This 70-meter long tunnel, located at an altitude of around 1000 meters, contains a small chapel and has been used by pilgrims and merchants for centuries.
The Basque Country offers a variety of outdoor activities near its caves. You can find numerous hiking trails, including routes like the Berganzo Water Trail or the Talaia Trail. For cycling enthusiasts, there are MTB trails such as the Bilbao Green Ring MTB Loop. If you enjoy running, explore running trails like the Monte Urgull and city tour in San Sebastian.
Yes, the Eye of Aitzulo is renowned for its extraordinary views from within the cave. It offers a spectacular perspective of the surrounding landscape.
The Caves of Sare, also known as Lezea, are nestled in the Axturia mountains and showcase a natural habitat with atypical geology within a large limestone massif. Located in a picturesque village, they offer a guided underground journey and an original exploration of the subterranean world, making them a proud part of the local heritage.
While the original Santimamiñe Cave's interior is largely closed to the public for preservation, a visitor center offers a 3D virtual recreation. This allows you to explore the cave and admire its prehistoric art in detail without impacting the sensitive original site.
For sites like Arrikrutz Caves, guided tours are necessary to explore the archaeological remains and geological formations. Similarly, Ekainberri and Santimamiñe offer guided experiences or virtual tours to protect the delicate prehistoric art. It's always advisable to check the specific requirements for each cave before visiting.


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