Best natural monuments around Entzia are found within a mountain range spanning approximately 4,991 hectares in northeastern Álava, characterized by a high plateau bordered by ridges. This region offers diverse natural and historically significant features, including extensive beech forests and fields. The landscape provides striking contrasts between the Álava Plain and the Arana Valley, making it a notable destination for outdoor exploration.
Last updated: June 26, 2026
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It's amazing to walk underneath, but be very careful with your backpack.
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A very beautiful rocky landscape with passages, arches and rock "tables"
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Very easy walk to start
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Nice waterfall at the head of the Igoroin river. Highly recommended to visit them after an episode of heavy rains.
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I agree with my opinion from a year ago, a joy to pass through the rock.
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It's nice to stand in the corner and contemplate the immense landscape at your feet
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Another obligatory stop in the cordal, with as good views as the previous ones.
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The Entzia mountain range is rich in geological features. You can explore impressive karst formations, such as the magical Zalamportillo Arch, which is particularly atmospheric with fog. Another notable formation is the Fajeta Peña Rasgada, an impressive rocky pass that offers a unique walking experience.
Yes, the Entzia mountains are home to a significant concentration of megalithic structures, particularly in the Legaire fields. These prehistoric monuments include 14 menhirs, 3 dolmens, and 1 cromlech, representing the largest concentration of menhirs in Álava. Notable examples include the Dolmen of Aizkomendi, the Dolmen of Sorginetxe and Egileor, the Mendiluze Cromlech, and the Itaida Menhir. These sites offer a fascinating glimpse into ancient history within picturesque natural surroundings.
The Entzia Mountains are characterized by vast beech forests, some containing centenary and even millenary trees. These forests provide a rich habitat for diverse fauna and flora. Additionally, the Igoroin Ravine features a gall-oak forest covering its hillsides, particularly near the Musitu stream, adding to the region's varied natural beauty.
Yes, the Igoroin Waterfalls are a spectacular sight at the head of the Igoroin river. To experience them in their full splendor, it's recommended to visit during times of heavy rain or thaw, as they may be dry in warmer months. The region also has several springs that feed small mountain streams, with the Iturbatz spring being notable for never drying up.
For breathtaking views, consider visiting Txumarregi, a summit that offers a privileged viewpoint of the plain and the entire sierra. Another excellent spot is Peñalascinco (907m), which also provides tremendous views and features a unique mailbox at its summit.
The Zalamportillo Arch is considered family-friendly and offers an engaging natural exploration experience. The extensive beech forests and megalithic sites also provide opportunities for tranquil walks and educational visits suitable for families, allowing children to connect with nature and history.
Beyond exploring the natural monuments themselves, the Entzia region offers various outdoor activities. You can find numerous routes for gravel biking, running, and road cycling. For gravel biking, consider routes like the 'Vasco-Navarro Railway Bridge – Atauri Tunnel loop'. Runners might enjoy the 'Opakua Pass – Zalamportillo Arch loop'. Road cyclists have options such as 'Through the Horseshoes of the Urbasa and Andía Natural Park - circular from Maeztu'. You can find more details on these activities in the Gravel biking around Entzia, Running Trails around Entzia, and Road Cycling Routes around Entzia guides.
The Entzia mountain range offers different experiences throughout the year. To appreciate the Igoroin Waterfalls in their full splendor, a visit during times of heavy rain or thaw is recommended. The extensive beech forests are particularly beautiful in autumn with their changing colors, and the Zalamportillo Arch is described as having a magical atmosphere, especially with fog, which is common in cooler, damper seasons. Spring and early summer are ideal for pleasant hiking conditions.
Visitors frequently praise the spectacular views from summits like Txumarregi and Peñalascinco (907m), noting the immense landscapes. The unique experience of crossing the impressive rocky pass of Fajeta Peña Rasgada is also highly regarded. Many are captivated by the magical atmosphere of places like Zalamportillo Arch, especially when shrouded in fog, and the combination of forests, waterfalls, and views at the Igoroin Waterfalls.
Yes, the Cave of La Leze is a significant feature of the Entzia Mountains. While specific details about its natural monument status are not provided, caves are often recognized for their geological and aesthetic value, offering a unique underground exploration experience within the region.
Yes, the Entzia plateau is noted for its easy accessibility, which attracts numerous mountaineers and hikers. The combination of extensive forests, unique geological formations, and ancient megalithic sites makes it a valuable destination for those interested in natural beauty, prehistory, and outdoor activities like hiking and exploring.


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