Best caves around Izurtza offer a range of natural and historical sites for exploration. The area features several notable cave systems, some of which are associated with religious structures or historical routes. These geological formations provide insights into the region's natural landscape and past human activity. Visitors can discover various types of caves, from challenging tunnels to those with historical significance.
Last updated: June 19, 2026
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A beautiful two-eyed cave, normally occupied by flocks of sheep. It's a detour from the PR trail that descends from the Artola pass, to which you must return, unless you want to descend through the "very muddy" section of the Sagasta neighborhood.
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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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Like the Baltzola caves, it is now prohibited to cross them, due to the danger of Q fever.
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This part of the Baltzola caves was normally the exit.
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Impressive cavity, until a while ago you could go through. They have recently put up a sign, warning of the danger of contracting Q fever, and the passage is prohibited.
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In the rainy season, you may not be able to cross the tunnel without getting your feet wet. But it is impressive to find this at the beginning.
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Beautiful area, it is recommended or almost mandatory to carry a flashlight, since although the cave is short and does not involve much difficulty, it is always good to see where you put your feet
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Yes, the Hermitage of the Holy Christ of Atxarte is located above a cave and is considered family-friendly, offering both historical and natural interest. Additionally, the San Martín Hermitage and Caves features two small caves next to a restored hermitage with picnic facilities, making it suitable for families.
The Hermitage of the Holy Christ of Atxarte is noted as dog-friendly, allowing visitors to explore the area with their pets. It's a religious building situated above a cave, offering a blend of history and nature.
For caves like Abaro Tunnel, it is recommended to carry a flashlight, as visibility can be low. In the rainy season, you might get your feet wet, so appropriate footwear is advisable. Generally, sturdy shoes and comfortable clothing are best for exploring natural cave environments.
Near the caves, you can find various outdoor activities. For mountain enthusiasts, there are challenging mountain hikes around Izurtza. If you prefer cycling, there are gravel biking routes. Additionally, you can explore running trails in the area.
Yes, the Hermitage of the Holy Christ of Atxarte is a significant religious building located above a cave, next to an old road. Another historical site is the San Martín Hermitage and Caves, which features a restored hermitage alongside two small caves.
The Abaro Tunnel and Baltzola Caves are known for being challenging. However, crossing through both is currently prohibited due to safety concerns, including the danger of contracting Q fever in Baltzola Caves.
The Abaro Tunnel is an impressive natural formation that requires a flashlight for navigation. While it's a short cave, it's important to see where you step. Crossing it is currently prohibited due to safety concerns, similar to the Baltzola caves.
The Baltzola Caves are an impressive cavity, but access through them is currently prohibited. A sign warns of the danger of contracting Q fever, making passage unsafe.
Yes, Sagastikoba is a beautiful two-eyed cave, often occupied by flocks of sheep. It offers a unique natural experience as a detour from the PR trail descending from the Artola pass.
Visitors appreciate the variety of experiences, from geological exploration to cultural discovery. The area's caves, like the Hermitage of the Holy Christ of Atxarte, are valued for their blend of history and nature, often situated next to rivers and old roads. The natural formations and the sense of discovery are frequently highlighted.
While specific seasonal recommendations for all caves are not available, it's worth noting that during the rainy season, some caves like Abaro Tunnel might have wet conditions, potentially requiring waterproof footwear. Generally, drier seasons might offer more comfortable exploration, but always check local conditions.


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