4.7
(35)
3,069
riders
53
rides
Road cycling around Uztárroz/Uztarroze is characterized by its mountainous terrain within the Navarrese Pyrenees, offering significant elevation changes and challenging climbs. The region features prominent Pyrenean peaks and passes, including the renowned Larrau Pass, which is known for its sustained slopes. Cyclists can navigate through forested areas and along river valleys, with altitudes reaching up to 1,916 meters at Oxogorri peak. This landscape provides a diverse environment for road cycling enthusiasts.
Last updated: July 4, 2026
4.7
(9)
235
riders
61.0km
03:17
1,230m
1,230m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
56
riders
29.8km
02:18
1,260m
1,260m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
46
riders
67.7km
04:13
1,880m
1,880m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
52
riders
47.8km
02:24
770m
770m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
26
riders
116km
06:31
2,600m
2,600m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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beautiful climb starting from the valley of Larrau. Count 21km but the bulk of the elevation gain starts in Saint Engrace
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They have the best accessible toilet within a 20 km radius.
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The climb to the Port de Larrau is more arduous on the French side. It covers fifteen kilometers at an average gradient of 8%. The most difficult section is located in the middle of the route. Also be careful of the very steep final kilometer.
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Up to kilometer 12, the climb is gentle. From there, it becomes more difficult, and you'll face some slopes with a 10% gradient. The total climb is 26 kilometers, and the total ascent is 1,048 meters. During the climb, you'll find good road surfaces and beautiful scenery.
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Without a doubt, the Col de la Piedra de Saint Martin or Pierre Saint-Martin is one of the Top 10 in the whole of the Pyrenees. Without exceeding 2000 metres of altitude, it is a very long pass, with a lot of accumulated gradient (due to the innumerable French slopes, the gradient is 1,450 metres), with very hard slopes and several kilometres above 10%, with wonderful landscapes and panoramic views and with little traffic, except for the slopes crossed by the main road (D132 in France, the NA 137 in Spain). It is a pass with many slopes; in Europe there are few other passes that have as many slopes as this one (col de Turini, Passo delle Erbe, would be comparable in number of slopes approximately). I have only climbed it by 2 slopes: (i) my first time was from Lourdios Ichère, crossing the col de Labays and the col de Soudet. Simply spectacular; (ii) I have subsequently climbed the Spanish side on several occasions, which is unique, and which starts from Belagua and crosses the Belagua cross-country ski resort to reach the mountain pass. It is also very beautiful, with a landscape and views different from the north-east side. If I had to choose one of the two, I liked the north-west side better because it is more remote, harder and in my opinion more authentic. It is also a culturally special mountain pass because the Tribute of the 3 cows takes place on its summit every 13th of July, which is considered the oldest treaty in force in Europe. So... you know... you cannot miss the opportunity to come here and enjoy this wonderful jewel of the Pyrenees!!!!
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Isaba, also known as Izaba in Basque, is a picturesque village located in the Roncal Valley in the Navarrese Pyrenees, northern Spain. This charming village is known for its rich history dating back to the Middle Ages, when it was a strategic outpost for the Kingdom of Navarre. Isaba offers breathtaking scenery with lush green meadows in spring, colorful autumn leaves and snow-capped mountains in winter.
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I would not recommend right now. They recently did a chip and seal so a LOT of loose gravel. I live in the area and even the road to Osse en Aspe.
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Going up to the Puerto de la Piedra de San Martín through the Roncal - Belagua valley, after the first 5 km of hard climb with a section of continuous hairpin bends, you reach the abandoned Guardia Civil barracks. This place is ideal for the views it offers: on the one hand, you can see the Roncal valley from above in a panoramic view (simply spectacular); on the other hand, looking up towards the valley, you can see (if the weather permits) the peaks around the beautiful ski resort of Larra - Belagua, which should not be confused with the Piedra de San Martín ski resort, located in France.
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There are over 50 road cycling routes around Uztárroz/Uztarroze, catering to various skill levels. The komoot community has explored these routes over 3000 times, highlighting the region's popularity among cyclists.
The mountainous terrain of the Navarrese Pyrenees means that late spring, summer, and early autumn generally offer the most favorable conditions for road cycling. During these seasons, you can expect more stable weather and accessible mountain passes, though conditions can change rapidly in the Pyrenees.
Yes, Uztárroz/Uztarroze is renowned for its challenging climbs, featuring significant elevation changes and prominent Pyrenean passes. Routes like the Larrau – Larrau Pass loop from Larraineko mendatea and the Pierre Saint-Martin Pass – Soudet Pass loop from Belagua offer demanding ascents and are popular among experienced riders.
While the region is known for its challenging terrain, there are also moderate options available. For example, the Laza Pass (1,129 m) – Isaba Village loop from Isaba / Izaba offers a rewarding ride with beautiful views through forested areas without the extreme difficulty of the highest passes.
Many of the road cycling routes in the area are designed as loops, allowing you to start and finish in the same location. Examples include the Cueva del Ibón – Pierre Saint-Martin Pass loop from Uztárroz / Uztarroze and the Irati Houses – Larrau Pass loop from Isaba / Izaba.
The region offers stunning natural features. You can encounter breathtaking panoramic views from passes like the Larrau Pass, or explore areas near the Holzarte Footbridge, which offers views over the Olhadubi Gorge. The View of the Olhadubi Gorges and Surrounding Mountains (GR 10) is another notable viewpoint.
Yes, the area is rich in natural water features. You can find attractions such as the Waterfall at the End of the Kakouetta Gorge, or the dramatic Olhadubi Gorge, which can be viewed from the Holzarte Footbridge. The Cueva del Ibón is also a notable natural attraction in the vicinity.
For those looking for accommodation or a place to rest, the Belagua Refuge serves as a crucial hub for mountaineering and offers amenities. Other options include the Zuriza Hostel and the Zuriza refuge and campsite, providing services for outdoor enthusiasts.
Parking availability varies by trailhead. Many routes start from villages like Uztárroz/Uztarroze or Isaba/Izaba, where public parking is generally available. For routes starting from more remote passes or refuges, designated parking areas are often provided, such as near the Belagua Refuge or Larraineko mendatea.
The road cycling routes in Uztárroz/Uztarroze are highly rated by the komoot community, with an average score of 4.7 stars from over 35 reviews. Cyclists often praise the stunning Pyrenean landscapes, the challenge of the mountain passes like Larrau, and the diverse environment that makes for a rewarding cycling experience.
While the region is known for its challenging routes, there are a few easier options. The majority of routes are classified as moderate to difficult due to the mountainous terrain. For beginners or families, it's recommended to look for routes with less elevation gain or shorter distances, often found in the valleys rather than directly tackling the high passes.


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