Best caves around Mañaria are situated within the Urkiola Natural Park, an area characterized by its dramatic limestone landscape. This region is known for numerous sinks and cavities, attracting caving enthusiasts. The geological formations include various cave types, offering diverse exploration opportunities. Mañaria serves as a gateway to these underground environments.
Last updated: May 6, 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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There are several cavities, none with, apparently, much depth. What they do have is danger, because some have a steep vertical drop: be careful with dogs and children!
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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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Curious cave near Siskina and Oketa.
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The caves within Urkiola Natural Park, near Mañaria, are part of a dramatic limestone landscape. You can find various formations, including natural tunnels, impressive cavities, and sites with lava flows, gours, stalactites, stalagmites, columns, and unique 'eccentric stalactites' in caves like Marko Cave.
Marko Cave is considered an excellent introductory site for caving, offering a rich underground environment with diverse geological formations. While some deeper sections may require specialized equipment like harnesses and helmets, it provides an accessible entry point into speleology.
The Hermitage of the Holy Christ of Atxarte is listed as family-friendly, being a religious building located above a cave. Additionally, the San Martín Hermitage and Caves also offer a family-friendly experience with two small caves and a picnic area nearby.
Yes, Ascondo Cave, located in the vicinity, is noteworthy for its ancient cave engravings. These engravings are believed to predate those found in Santimamiñe, indicating significant historical and archaeological value. The Hermitage of the Holy Christ of Atxarte is also a historical site situated above a cave.
For caves like Abaro Tunnel, it is recommended, or almost mandatory, to carry a flashlight for navigation, even if the cave is relatively short. Be aware that during the rainy season, you might get your feet wet. Also, be mindful of any posted warnings, such as those regarding Q fever, which may prohibit crossing certain sections.
The area around Mañaria, within Urkiola Natural Park, offers numerous outdoor activities. You can find various hiking trails, including routes like 'Mugarra — round trip from Mañaria' or 'Leungane y Artzetagan, circular desde Mañaria'. There are also MTB trails and cycling routes available. For more details, explore the Hiking around Mañaria, MTB Trails around Mañaria, and Cycling around Mañaria guides.
Caves like Abaro Tunnel and Baltzola Caves are categorized as challenging. The Harrikurutze Caves also present challenges, with some cavities having steep vertical drops, requiring caution. Marko Cave, while introductory, has deeper sections that require specialized gear.
Baltzola Caves feature an impressive cavity. However, it's important to note that passage through certain parts may be prohibited due to warnings about the danger of contracting Q fever. Always check local signage and regulations before attempting to enter.
The Hermitage of the Holy Christ of Atxarte is a religious building uniquely situated above a cave. It lies next to a river and an old road, and serves as a popular starting point for routes to Alluitz, making it a blend of historical, natural, and recreational interest.
The Harrikurutze Caves are described as curious caves near Siskina and Oketa, featuring several cavities. While none are noted for extreme depth, some have steep vertical drops, adding an element of adventure for those seeking less-trafficked spots.
Visitors appreciate the dramatic limestone landscape of the Urkiola Natural Park and the diverse exploration opportunities offered by the various cave types. The impressive passages of caves like Abaro Tunnel and the historical significance of sites like Ascondo Cave are particularly valued. The blend of natural beauty and historical context makes the region appealing.


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