Best natural monuments around Urbasa are found within the Urbasa-Andía Natural Park, a protected area in Navarre, Spain. This region is characterized by its limestone subsurface, which has created extensive karst phenomena such as caves, ravines, and cliffs. The park's diverse landscapes include vast beech forests, grasslands, and significant geological formations. It offers numerous routes for exploring its natural beauty and geological diversity.
Last updated: July 1, 2026
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A very beautiful rocky landscape with passages, arches and rock "tables"
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Access is restricted as it is a Nature Reserve and prior reservation is required. Access to the final stretch is prohibited due to its fragility, under penalty of a fine.
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Always impressive, I love it, absolutely recommended!!
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Very easy walk to start
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I went in July 2023. This cave is completely closed. There are signs from the Basque government saying DO NOT ENTER (and explaining the consequences and the work they're doing) and plastic tape blocking the entrance. There are lots of constructions tools around too. Don't expect to get in unless you're willing to destroy the small stone wall and all the tape blocking the entrance.
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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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Among the most popular natural monuments in Urbasa, visitors frequently highlight the Source of the Urederra River, known for its stunning turquoise waters and waterfalls. Other favorites include the impressive karst formations of Zalamportillo Arch and the scenic Tobería Waterfalls, hidden within a beech forest.
Yes, several natural monuments in Urbasa are suitable for families. The route to the Source of the Urederra River offers idyllic walks along well-marked trails and wooden bridges, making it an ideal linear route for families. The Portupekoleze Arch is also considered family-friendly and easily accessible.
Urbasa-Andía Natural Park is renowned for its spectacular karst phenomena. You can explore impressive arch-caves like Portupekoleze Arch, which is a result of millennia of water erosion. The park also features extensive cave systems, including the Cueva de Los Cristinos with its stalactites, columns, and underground lake, and natural limestone formations such as Ojo de Iruaitzeta, offering unique vantage points.
The Urbasa-Andía Natural Park offers beauty throughout the year. Spring and summer are excellent for enjoying the turquoise waters of the Source of the Urederra River and lush forests. Autumn is particularly spectacular, as the vast beech forests, including the Bosque Encantado, display vibrant colors. While some trails can be muddy after rain, especially around the Tobería Waterfalls, the park's unique features can be appreciated in any season.
Yes, the Urbasa-Andía Natural Park is an excellent spot for birdwatching. From viewpoints like Balcón de Pilatos, you can observe various raptors, including vultures, kites, and even bearded vultures, soaring from the heights. The park's diverse ecosystems support a rich array of fauna.
The Urbasa-Andía Natural Park offers numerous hiking routes for all levels. You can find easy walks, such as those leading to the Source of the Urederra River or through the Bosque Encantado. More challenging trails are also available, especially in the Sierra de Urbasa and Sierra de Andía mountain ranges. For specific mountain hikes, you can explore routes like the Beriain loop from Uharte Arakil or the Sierra de San Donato loop from Ergoiena, detailed in the Mountain Hikes around Urbasa guide.
Absolutely. The Urbasa region is a hub for various outdoor sports. You can find extensive MTB trails, with options ranging from easy to difficult, such as the Eskitza-Lizarraga Trail or the Camping Perkasa – Zalamportillo Arch loop. Gravel biking is also popular, with routes like the Camping Perkasa – Raso de Ezkiza loop. For more details, check out the MTB Trails around Urbasa and Gravel biking around Urbasa guides.
Yes, the Cueva de Los Cristinos holds historical significance. Legend has it that during the Carlist era, General Zumalacarregui threw soldiers of the opposing side, known as Cristinos, into this cave. This adds a layer of historical intrigue to its natural beauty.
The Source of the Urederra River is a Nature Reserve, and access is restricted to preserve its fragile landscape. Prior reservation is often required, and access to the final stretch is prohibited. It's essential to respect the regulations to help protect this beautiful natural monument.
The Bosque Encantado is known for its unique geological formations and ancient beech trees, creating a magical and atmospheric environment. The curious shapes of its tree tops and trunks, often shrouded in mist, contribute to its enchanting allure. It's also steeped in local folklore, with tales of giants once inhabiting the area, offering a blend of natural beauty and mythical storytelling.
The park is a haven for diverse flora and fauna. You might spot deer, wild boar, and foxes. Birdwatchers can look for golden eagles, vultures, kites, and protected species like the European mouflon and bearded vulture, especially from high vantage points like Balcón de Pilatos.
Yes, the Urbasa region features impressive natural arches formed by millennia of erosion. The Portupekoleze Arch is a spectacular arch-cave and a must-see example of the park's karst topography. Another notable formation is the Zalamportillo Arch, known for its impressive karst features.


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