Best caves around Arrasate / Mondragón are found within a region characterized by its mountainous terrain and significant geological and archaeological features. The area, part of the Udalaitz massif, offers access to various underground formations. These include natural karstic caves and sites of historical human occupation. The landscape provides opportunities for exploring both geological wonders and ancient human history.
Last updated: May 22, 2026
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Impressive, both for its size and for being the best frame of Anboto.
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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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Access to the interior is easy, but I can't say the same about the path leading up to here.
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The best place to start the route to Alluitz.
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Located above a cave, this hermitage is next to the river and the old road that connected with the Cantabrian coast and Duranguesado. It is located next to a climbing area.
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Beautiful place with incredible views❤
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Spectacular view of Anboto from the Udalatx cave. (Very close to the top)
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The Eye of Aitzulo offers extraordinary views and is accessible via a short climb. For a more extensive guided experience, the Arrikrutz Caves in Oñati are the most prominent natural cave system for visitors in the immediate area, featuring spectacular karstic formations and paleontological discoveries. They offer various guided tours and have an Interpretation Centre.
Yes, the San Martín Hermitage and Caves is a great option. This restored hermitage has two small caves nearby and offers picnic tables and benches, making it a suitable spot for families. The Hermitage of the Holy Christ of Atxarte is also listed as family-friendly.
The Lezetxiki Cave, located within Arrasate / Mondragón, is an immensely significant archaeological and paleontological site. It holds the oldest known human fossils in the Basque Country. While not open to the public for direct access, its importance is highlighted by exhibits at the nearby Arrasate Museum. You can learn more about its history on Wikipedia.
The Arrikrutz Caves are known for extensive flowstones, stalagmites, and an underground watercourse. Further afield, the Pozalagua Caves in the Karrantza Valley (about 1.5 hours drive) are celebrated for having one of the world's highest concentrations of eccentric stalactites (helictites), which defy gravity with their unique, intertwining shapes.
Absolutely. The Eye of Aitzulo is renowned for its extraordinary views from within the cave itself, offering an impressive landscape value. Additionally, the View of Anboto from Udalatx Cave provides a spectacular frame of the Anboto mountain.
The region around Arrasate / Mondragón offers various outdoor activities. You can find numerous mountain hikes, including routes to Anboto and Udalaitz, by exploring the Mountain Hikes around Arrasate / Mondragón guide. There are also extensive MTB trails and cycling routes available, such as those around Urkulu Dam, detailed in the MTB Trails around Arrasate / Mondragón guide and Cycling around Arrasate / Mondragón guide.
Visitors frequently praise the extraordinary views, especially from sites like the Eye of Aitzulo, and the impressive natural beauty and historical significance of the locations. The community has upvoted these spots over 100 times and shared more than 100 photos, highlighting their appreciation for the natural and historical wonders.
Some caves, like the Aitzorrotz Cave, are described as having small cavities that are not easily practicable. The climb to the Eye of Aitzulo from the cave parking lot can also be steep with significant elevation gain, though a route from Araotz is easier.
Labeko Koba is another crucial archaeological site in Arrasate / Mondragón, providing insights into human habitation during the Middle and Upper Paleolithic periods. However, its archaeological deposit was largely excavated, and the cave itself was reportedly destroyed due to road construction. Therefore, it is not a publicly accessible tourist cave.
The Galarra Cave is located within the municipality of Arrasate / Mondragón, specifically within the Udalatx massif. It is described as a natural spectacle and has been part of organized guided tours by the Mondragón Town Hall, offering a chance to explore the 'entrails of Udalatx.' Information on regular visitor access may be less prevalent compared to Arrikrutz, so checking with local tourism offices for current tour availability is recommended.
For caves like Arrikrutz, it is advisable to wear warm clothing and comfortable footwear, as temperatures inside caves remain stable and cool year-round (around 13°C in Pozalagua). If you plan to explore on your own, ensure you have appropriate gear for potentially slippery or uneven terrain.


Extend your search for the best caves by checking out these guides of the top ones around Arrasate / Mondragón: