Best mountain peaks around Nabarniz are found within the Urdaibai Biosphere Reserve in Bizkaia, Spain. This region is characterized by its elevated position and features several prominent peaks. The area offers diverse natural landscapes and rewarding hiking experiences.
Last updated: July 3, 2026
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A must-have photo upon reaching the summit...
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The Hermitage of San Pedro de Atxarre, located at an altitude of over 300 meters, is one of the most spectacular natural balconies in Urdaibai. From its viewpoint, you can enjoy a unique panoramic view of the Urdaibai marshes and Izaro Island off the Basque coast.
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Simply stunning. Easy to get to, so it's worth the trip.
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The best view of Urdaibai
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A worthwhile climb with a beautiful view.
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Really good view and natural highlight of the tour
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beautiful panoramic view
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A place with grandiose views over the nature park, surrounding villages and the sea. There is plenty of seating to rest or have lunch. There may be stinging horseflies in summer.
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Visitors frequently enjoy the View from San Pedro de Atxarre, which offers a unique panoramic view of the Urdaibai marshes and Izaro Island. Another highly rated spot is Talaia (276 m), providing stunning views of Laga beach and the eastern area of Urdaibai.
For experienced hikers seeking a more strenuous adventure, the region offers challenging routes. For example, a longer, more difficult loop trail (27.7 km / 17.2 miles) includes both Bedartzaundi (699 m) and Illuntzar Summit, starting from Aulesti. This route requires good fitness and takes approximately 9 hours 45 minutes to complete. Additionally, the Gerrikaitz-Gontzagarigana climb is a notable ascent with an average gradient of 6.4%.
The mountain peaks around Nabarniz, particularly within the Urdaibai Biosphere Reserve, feature diverse natural landscapes. You can expect to traverse extensive holm oak woods and native forests, high valleys, picturesque brooks, and green meadows. Peaks like Illuntzar offer rich natural environments and panoramic views from their summits.
While specific 'family-friendly' categories aren't listed for all peaks, the area offers a variety of routes from easy to difficult. Many trails are well-regarded for their scenic beauty and accessibility, catering to different skill levels. It's advisable to check individual route descriptions for suitability for families.
Illuntzar Summit (726 m) is a local favorite with several popular loop trails. You can explore the Navárniz Village – Illuntzar Summit loop (11.8 km / 7.3 miles, about 3 hours 37 minutes) or the Illuntzar Summit – Navárniz Village loop (9.1 km / 5.7 miles, about 2 hours 56 minutes). There's also a moderate 7.5 km (4.7 miles) loop trail from Nabarniz that connects the Illuntzar Summit and Potmulat Summit.
Visitors highly appreciate the stunning panoramic views, especially from viewpoints like San Pedro de Atxarre and Talaia (276 m). The diverse natural environment, including holm oak woods and green meadows, also receives high praise. The komoot community has shown strong engagement, with over 99 upvotes and 100 photos shared across various highlights.
Yes, Mount Ogoño (305 m) provides excellent views of Laga beach. Additionally, Talaia (276 m) is considered the best viewpoint for Laga beach and the eastern area of Urdaibai.
Yes, there are several running trails in the vicinity. For example, you can find the Litanies Trail, a moderate 5.3 km route. More challenging options include the Guernica Mural in Gernika – Church of Santa María loop (16.9 km) and the Otoio loop from Ispaster-Elexalde (18.6 km).
From Nabarniz village, you can directly access trails leading to Illuntzar Summit, which stands at 726 meters (2,382 feet). There are popular loop trails starting and ending in the village that include this prominent peak.
Yes, the region offers gravel biking routes. Some challenging options include the Lekeitio Old Town and Basilica – Ondarroa Bay loop (83.4 km) and the Guernica Mural in Gernika – Artzubi Bridge loop (30.3 km).
The Urdaibai Biosphere Reserve protects the natural environment surrounding many of Nabarniz's peaks, including Illuntzar. This designation ensures the preservation of its extensive holm oak woods, native forests, high valleys, picturesque brooks, and green meadows, making it a rich area for biodiversity and outdoor activities.
Yes, Kalamendi Summit, a modest 315-meter peak, offers views of the surrounding mountains and even the sea due to its proximity to the coast. It also features a geodesic vertex at the top.


See even more amazing summits around Nabarniz with these guides: