Best mountain passes around Uztárroz/Uztarroze, a town in Navarre, Spain, are situated within the Pyrenees mountain range. This region provides access to various mountain passes known for their routes and natural surroundings. The landscape features forests and elevated terrain, offering views of the Pyrenees. Uztárroz/Uztarroze serves as a base for exploring these passes.
Last updated: October 27, 2026
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This climb saves the hardest for last. The last 4-5 km are constantly over 10%. Hang in there.
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The Puerto de Laza is a small and beautiful hill that joins the valleys of Roncal (starting from Isaba) and Salazar (starting from Ochagavía) in the Navarrese Pyrenees. Both sides are very similar: a very easy start on a winding road, in perfect condition but without a hard shoulder, passing through small towns and going up the course of the respective rivers Anduña (Salazar valley) and Urbi (Roncal valley); a final stretch of 2 - 3 kms that is harder without being too much so, although there are some slopes above 10%. The Salazar valley side becomes harder when leaving behind the detour to the Larrau port. From here to the port there are 3 km with an average gradient of 7%. On the other hand, the Roncal valley side becomes harder when overcoming a bridge over the river that has been with us since we left Isaba behind. From here it is barely 2 km with an average gradient of 7%. From a landscape perspective, it is a port that I love because you can enjoy the exuberance of the vegetation of the Pyrenees, crossing narrow valleys and only with panoramic views when you reach the top, where there is a viewing point that is worth looking out at. A port that I always recommend for enjoying cycle tourism. I leave you the profile of both sides produced by the website www.cyclingcols.com --> http://www.cyclingcols.com/col/Laza
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This descent has a very bumpy road surface, so that my bike computer mount broke. Luckily I had the safety line attached. The scenery, however, is very attractive and remote.
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A beautiful port that unites the communities of Navarra and Aragón, specifically the towns of Ansó and Isaba. Specifically, it connects the Zuriza valley with the Roncal valley. It is a very affordable port and highly recommended because it allows you to travel through spectacular landscapes, on both sides. The Navarrese slope is shorter but more difficult than the Aragonese slope, which is very steep, except for the final kilometer which is 7 - 8%. What has been said, I reaffirm that it is a beautiful port that must be enjoyed.
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Worthwhile climb with a fantastic view from the summit.
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Typical Pyrenees: super beautiful and quite strenuous
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It is one of the toughest Pyrenean passes and, in general, little known by the average amateur because it has been used very little in professional cycling races. It is a spectacular port on both sides. The eastern slope, which is the one marked in this section, is completely open, with hardly any vegetation, with a wide road in perfect condition. It is 9 km from the moment you get off the town of Larrau. The first 4 km are irregular, with some ramps that take your hiccups away. The last ones are literally very hard, with an average of 3 km at 12%!!!! The last km eases up a bit because it has a rest... but it also has important ramps. In addition to being tough, this port is spectacular for its landscapes and panoramic views. You can not lose this!!!! I leave you the link for the altimetry published by @cyclingcols --> http://www.cyclingcols.com/col/Bagargui
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Or “Bagargui” in its French version. A pass which constitutes a real challenge for any cyclist, because it is classified among the harshest in France, especially when the heat gets involved. The climb begins calmly with a normal slope during which you must take advantage of the opportunity to turn your legs and find your rhythm. Because the big piece soon arrives on the first bends with 5 km of extreme difficulty. Averages of 9.5 then 12, 13, 12.5 and 11% follow one another without any respite. But at the end of the effort you will finally be able to enjoy a magnificent panorama of the ridges and perhaps admire the flight of migratory birds or vultures.
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The region around Uztárroz/Uztarroze offers several impressive mountain passes. Larrau Pass is a prominent border pass between Spain and France, known for its challenging routes and views of Mount Orhi. Another worthwhile destination is Laza Pass (1,129 m), which features beautiful forests and views of the surrounding mountains, particularly stunning in the fall. You can also explore Collado de Argibiela, a quiet road offering magnificent views of valleys and nearby peaks.
The mountain passes in this area, situated within the Pyrenees, offer diverse and impressive scenery. At higher elevations like Larrau Pass, you'll find panoramic views stretching to the Bay of Biscay and other Pyrenean peaks, especially from spots like Pic d'Orhy. Passes like Laza Pass (1,129 m) are characterized by beautiful forests that open up to mountain vistas, particularly vibrant during autumn.
Yes, the region is renowned for its demanding cycling routes. Larrau Pass is considered one of the toughest climbs in the Pyrenees, with sections exceeding 10% gradient. It has even been featured in the Tour de France. The ascent from the French side is particularly arduous, while the Spanish side is longer but less steep. Collado de Argibiela also presents a long climb from both the Ansó and Isaba slopes, with the hardest part towards the end.
The mountain passes serve as excellent starting points for various hiking trails. From Larrau Pass, you can ascend to Pic d'Orhy, the most westerly mountain over 2,000 meters in the Pyrenees, offering panoramic views. The area also provides access to the Holzarte footbridge, a suspended walkway over a gorge. For more hiking options, you can explore nearby routes like the "Ascension to Ori (Orhi) from Puerto Larrau" or "Cueva del Ibón y Cascada Belabarzeko – circular Highlight - Belagua" found in the Hiking around Uztárroz/Uztarroze guide.
The mountain passes are generally accessible from late spring to late autumn. Larrau Pass is typically open from May to November, though it can sometimes be clear in April and early December. Laza Pass (1,129 m) is particularly noted for its beauty in the fall, making it an ideal destination during that season.
While some mountain passes like Larrau Pass are known for challenging climbs, the region also offers routes suitable for families. Passes like Laza Pass (1,129 m) feature forest tracks that can be explored. For specific family-friendly hikes, it's recommended to check the difficulty ratings of individual routes in the Hiking around Uztárroz/Uztarroze guide, as some moderate options may be suitable.
Visitors frequently praise the stunning natural beauty and the sense of tranquility found in the area. The challenging climbs and panoramic views from passes like Larrau Pass are highly appreciated by cyclists and hikers. The serene forest routes and the autumnal splendor of Laza Pass (1,129 m) also receive positive feedback. The komoot community has contributed 49 photos and 64 upvotes, highlighting the visual appeal and rewarding experiences.
Beyond road cycling and hiking, the Uztárroz/Uztarroze area offers opportunities for mountain biking. You can find various MTB trails, such as the "Vuelta completa a la Selva de Irati por sierra Abodi" or "Roncesvalles-Sierra de Irati – circular a la Sierra de Abodi," which are detailed in the MTB Trails around Uztárroz/Uztarroze guide. For more strenuous mountain adventures, the Mountain Hikes around Uztárroz/Uztarroze guide lists routes like the "Punta Txamantxoia – Txamantxoia/Punta Maz loop".
While specific parking details for every trailhead are not always listed, mountain passes like Larrau Pass are generally accessible by road, implying parking facilities or roadside parking near the summit or starting points of popular routes. For detailed information on parking at specific trailheads, it's advisable to consult local maps or visitor centers in Uztárroz/Uztarroze or nearby towns like Ochagavía.
The mountain passes in the Uztárroz/Uztarroze region vary in elevation. Larrau Pass is located at an altitude of approximately 1,578 meters (5,177 feet). Laza Pass (1,129 m) is at an elevation of 1,129 meters. These elevations contribute to the challenging nature of some routes and the extensive views from the summits.
Yes, the region is rich in natural landmarks and viewpoints. From Larrau Pass, you can enjoy views of Mount Orhi, the westernmost 2,000-meter Pyrenean peak. The ascent to Pic d'Orhy itself offers an incredible panorama. Another notable natural feature in the area is the Holzarte footbridge, a suspended walkway 180 meters above the Olhadübi gorge, providing a thrilling experience amidst impressive natural surroundings.


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