4.7
(19)
692
riders
15
rides
No traffic touring cycling routes in Larrako Erreserba Naturala/Reserva Natural De Larra traverse a significant karst landscape characterized by dramatic limestone formations and extensive black pine forests. The region features challenging mountain passes and high-altitude terrain, including peaks like Mesa de los Tres Reyes (2,242m). Blind valleys, numerous caves, and varied meadows contribute to the diverse environment. This area offers demanding ascents and scenic journeys for touring cyclists.
Last updated: July 9, 2026
8
riders
82.8km
06:54
2,710m
2,710m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
61
riders
30.5km
02:38
1,100m
1,110m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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79
riders
29.4km
02:34
1,090m
1,090m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
8.80km
00:39
200m
200m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
28.8km
02:09
680m
680m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Larrako Erreserba Naturala/Reserva Natural De Larra
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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Located at an altitude of 630 meters, nestled in a green setting surrounded by gorges and peaks, the village of Sainte-Engrâce is a charming mountain village in the Basque Country. In addition to its 11th-century Romanesque church, don't miss the famous Kakuetta Gorges or the sublime Verna Cave.
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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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An ideal place to bathe in a high mountain river. The setting is idyllic and the water will surely refresh you! Don't hesitate to take a dip even if you have to take off your cycling shoes and jersey!
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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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Built downstream of the Kakuetta gorges, this hydroelectric dam has formed a magnificent turquoise blue water retention. If you stop there, and if you are not afraid of heights, you can go to the footbridge which faces the dam and overlooks the slope with the river which then continues its course at the bottom of the fault.
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A very irregular climb, with even a descending passage, which gives the opportunity to recover after a few slightly steeper passages. But not really any big difficulty on this pass.
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There are 17 dedicated no-traffic touring cycling routes in Larrako Erreserba Naturala/Reserva Natural De Larra. These routes offer a range of experiences, from moderate to challenging, allowing cyclists to explore the region's unique landscapes away from vehicle traffic.
The routes traverse a remarkable and extensive karst landscape, characterized by dramatic limestone rock formations and interspersed black pines. You'll encounter challenging mountain passes, blind valleys, and stunning panoramic views, particularly around peaks like the Mesa de los Tres Reyes and Arlas. The region is known for its demanding Pyrenean cols, such as La Piedra de San Martín, offering both strenuous climbs and scenic journeys.
While many routes in Larrako Erreserba Naturala/Reserva Natural De Larra are considered challenging, there is 1 easy route and 6 moderate routes available. These provide options for cyclists looking for a less strenuous experience while still enjoying the region's beauty. For example, the Lescun – Masousa Parking Area loop from Lescun is a moderate option.
Cyclists can experience the unique karst landscape with its dramatic limestone formations and black pine groves. Significant peaks like the Table of the Three Kings (Hiru Erregen Mahaia) and Pic d'Arlas offer breathtaking views. You'll also encounter famous mountain passes such as Pierre Saint-Martin Pass, known for its challenging ascents and wonderful landscapes.
The area is highly rated by the komoot community, with an average score of 4.8 stars from 15 ratings. Reviewers often praise the challenging yet rewarding climbs, the stunning and unique karst landscapes, and the sense of tranquility offered by the no-traffic routes. The dramatic scenery, especially the black pines emerging from the limestone, is frequently highlighted.
Yes, several routes are designed as loops, allowing you to start and end at the same point. An example is the challenging Labays Pass – Soudet Pass loop from La Pierre Saint-Martin, which covers over 82 km with significant elevation gain. Another is the Suscousse Pass – Soudet Pass 1,540 m loop from Pas de l'Ours.
The best time for touring cycling is typically from late spring to early autumn (May to October), when the mountain passes are clear of snow and the weather is generally more favorable. During winter, the area is known for cross-country skiing, indicating that many routes would be inaccessible for cycling due to snow and ice.
Absolutely. The region is renowned for its demanding Pyrenean cols. For instance, the Sainte-Engrâce – Soudet Pass loop from Gorges de Kakuetta offers over 1000 meters of elevation gain over 29 km. The Col de la Piedra de Saint Martin is particularly notable for its long ascents with sections exceeding 10% gradients, providing a significant test for experienced riders.
The no-traffic touring cycling routes vary significantly in length and duration. You can find shorter routes like the Lescun – Masousa Parking Area loop at around 11 km, taking less than an hour and a half. Longer, more challenging routes, such as the Collado de Argibiela – Chinebral de Gamueta loop from Asolaze kanpina, can be around 29 km and take over two hours, depending on your pace and the elevation.
Yes, the mountainous terrain provides numerous opportunities for stunning panoramic views. The peaks of Mesa de los Tres Reyes and Arlas are excellent vantage points. Additionally, the ascents of passes like La Piedra de San Martín offer wonderful landscapes as you climb, with expansive views of the surrounding Pyrenees and the unique karst formations.


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