Caves around Arbizu, located in Navarre, Spain, provide access to various natural cave formations. The region is characterized by its karstic landscapes, primarily within the Urbasa-Andía Natural Park and Sierra de Aralar. These areas feature limestone formations, natural arches, and underground cavities. The geological features offer diverse opportunities for exploration.
Last updated: July 4, 2026
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Always impressive, I love it, absolutely recommended!!
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The Portupekoleze arch-cave, located in the Urbasa mountain range, is the spectacular result of water erosion, which over the millennia has created this enormous arch in the rock.
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Of the most accessible and cool places with snow, the car park is less than 1 kilometer away
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Beautiful arch very close to the sale of Lizarraga. It can be accessed from the lower track or going up close to the cut from the inn itself. You can go down to the lower cave. This arch is an unavoidable "must" if you are in the area.
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It is impressive, be careful on foggy days, it is easy to get lost.
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Today I wanted to try to see it in the harsh light of midday, which is not usually very good for photos, and still ... it is a special place.
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It took me a lot to go down to the cave: it has a loooong slope and it's full of leaves. And that the ground was dry. I got just to enter the cave but I did not go down the, I think, meters of difference in level from the mouth.
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Incredible hidden cave under the Puttarri, it is recommended not to enter without the proper equipment
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The region around Arbizu is known for its karstic landscapes, featuring several unique formations. The Portupekoleze Arch is a spectacular natural arch, formed by water erosion, offering an imposing appearance. Another significant spot is Lezaundi, a beautiful cave that provides a pleasant environment, especially during warmer weather. For those seeking a more hidden gem, the Puttarri Cave Passage offers a unique step between rocks to reach the top of Puttarri.
The Portupekoleze Arch is considered very accessible. You can reach it from a lower track or by ascending near the cut from the Lizarraga inn. There's also a lower cave section available for exploration. It's a popular destination for hikers, often reached via relatively simple routes from the Lizarraga pass.
Yes, for those seeking a more challenging experience, the Puttarri Cave Passage involves a step between rocks to reach the top of Puttarri and is recommended not to enter without proper equipment. Similarly, CuevaArleze is described as challenging, with a long, leaf-filled slope to descend into the cave itself.
The caves and natural formations around Arbizu are primarily located within a karst landscape, particularly in the Urbasa-Andía Natural Park and Sierra de Aralar. This means you'll encounter limestone formations, natural arches like the Portupekoleze Arch, and various underground cavities and sinkholes, all shaped by millennia of water erosion.
The area around Arbizu offers a variety of outdoor activities. You can find numerous hiking trails, such as the 'Route of the dolmens' or routes leading to Beriain Summit. For cycling enthusiasts, there are challenging road cycling routes like the 'Lizarrusti Pass – Larraitz Climb loop'. Running trails are also available, including the 'Igaratza loop'. You can explore more options on the dedicated guides for Hiking around Arbizu, Road Cycling Routes around Arbizu, and Running Trails around Arbizu.
The Portupekoleze Arch is categorized as family-friendly and is easily accessible, making it a great option for families. Its impressive natural arch and relatively simple access routes make it suitable for visitors of all ages.
While caves generally maintain a stable temperature year-round, the surrounding natural environment of the Sierra de Urbasa is particularly pleasant during spring and autumn. These seasons offer mild weather for hiking to the cave entrances and exploring the natural park. Some visitors note that Lezaundi is especially nice to be downstairs when the heat is on, suggesting it can be a refreshing escape during warmer months.
Specific dog policies for individual caves like Lezaundi or Puttarri Cave Passage are not explicitly stated. However, many outdoor trails in the Sierra de Urbasa, where these formations are located, are generally dog-friendly. For guided tours or specific cave systems, it's always best to check directly with the operators or local visitor centers for their current pet policies.
For broader information on nature-based tourism and other natural attractions in the Navarra region, you can visit the official tourism website: visitnavarra.es.
Visitors frequently highlight the impressive natural beauty and unique geological formations. The Portupekoleze Arch is consistently praised for its grandeur and accessibility, with many finding it 'always impressive' and 'absolutely recommended'. The pleasant environment inside caves like Lezaundi, especially during warm weather, is also a common positive remark.


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