4.8
(77)
4,906
riders
No traffic road cycling routes around Lac De Caillauas are situated within the Hautes-Pyrénées, characterized by a high-alpine environment with rugged mountainous backdrops and deep valleys. The region features challenging terrain, including winding roads through dense forests and expansive wild plateaus. Road cyclists can expect significant climbs and descents, with routes traversing high mountain passes and offering panoramic views of the surrounding peaks and the Louron Valley.
Last updated: September 30, 2026
5.0
(3)
201
riders
17.6km
01:13
610m
610m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
38
riders
26.6km
01:52
920m
920m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

4.9
(9)
307
riders
22.6km
01:34
790m
790m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Lac De Caillauas
This pass allows you to enjoy a very beautiful descent towards Saint Lary Soulan and also to make a beautiful loop via Loudenvielle>Estansan>Camparan>Grailhen>Gouaux>Lançon>Bordère-Louron>Loudenvielle
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Passes reserved for cyclists 9-12 p.m. this Monday 07/15, happiness!
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The Col d'Azet is a road mountain pass located at 1,585 meters above sea level. It allows you to go from the Aure valley to the Louron valley. It is one of the 34 passes connected by the famous pass road.
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Nice little place, possibility to climb Col de Val-Azet, but also small church and old castle ruins. More information: https://de.wikipedia.org/wiki/G%C3%A9nos_%28Hautes-Pyr%C3%A9n%C3%A9es%29?wprov=sfla1
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Located in the Louron valley, the Col d'Azet peaks at an altitude of 1,580 meters. This passage connects the village of Loudenvielle and that of Azet on the heights of Saint-Lary-Soulan. The ascent from Lake Génos is 7.5 kilometers for an average of 8.3% with some passages at 13%.
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It climbs, it turns, it's beautiful 🚴 ♂️⛰
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A great lake that is worth the detour for a break after descending the surrounding passes.
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There are a few dedicated no-traffic road cycling routes around Lac De Caillauas, offering a unique experience in the high-alpine environment. Currently, komoot features 3 such routes, designed to provide a serene cycling experience away from vehicle traffic.
The terrain around Lac De Caillauas is characterized by challenging mountain passes, winding roads through dense forests, and expansive wild plateaus. You can expect significant climbs and descents, offering a rewarding experience for cyclists looking for a workout amidst stunning natural beauty.
Yes, experienced cyclists will find demanding routes with significant elevation gains. For instance, the Lake Génos – Col de Val Louron-Azet loop from Génos is classified as difficult, featuring over 900 meters of ascent over 26.5 km, perfect for those seeking a strenuous ride.
While the region is known for its challenging mountain terrain, some routes offer a moderate difficulty level. The View of Lake Génos – Col de Val Louron-Azet loop from Génos, for example, is a moderate 17.5 km route with over 600 meters of elevation, which can be a good option for those looking for a less intense but still engaging ride.
Many routes offer expansive views of the surrounding peaks, the Louron Valley, and Loudenvielle and its lake. While Lac de Caillauas itself is high-altitude and primarily hiking access, the cycling routes in the area provide breathtaking vistas of the rugged mountainous backdrops, deep valleys, and diverse alpine flora.
Yes, all the no-traffic road cycling routes featured in this guide are circular loops. This allows you to start and end your ride at the same point, making logistics simpler. Examples include the View of Lake Génos – Col de Val Louron-Azet loop from Génos and the Col de Val Louron-Azet – Sailhan loop from Loudenvielle.
The best time to cycle these high-alpine routes is typically from late spring to early autumn (June to September) when the mountain passes are clear of snow and the weather is most favorable. Always check local weather forecasts before heading out, as conditions can change rapidly in the mountains.
While direct public transport to the specific trailheads might be limited, towns like Loudenvielle and Arreau, which serve as starting points for some routes, often have parking facilities available for cyclists. It's advisable to check specific parking options for your chosen starting point.
The region has several towns and villages, such as Loudenvielle and Arreau, which offer amenities including cafes, restaurants, and various accommodation options. These can serve as convenient bases for your cycling adventures, providing places to refuel and rest after your rides.
The no-traffic road cycling experience around Lac De Caillauas is highly rated by the komoot community, with an average score of 4.8 stars from 76 ratings. Reviewers often praise the stunning high-alpine scenery, the challenging yet rewarding climbs, and the tranquility of cycling on roads free from heavy vehicle traffic.
Given the challenging mountain terrain and significant elevation changes, most of the no-traffic road cycling routes in this guide are better suited for experienced cyclists. However, families with older, experienced teenage cyclists might find some of the moderate routes enjoyable, provided they are prepared for the climbs.
While dogs are generally welcome in many outdoor areas, specific regulations may apply to cycling routes, especially within protected natural parks. It's best to check local guidelines regarding pets on cycling paths and ensure your dog is capable of keeping up and is well-behaved around other users.
For a longer no-traffic road cycling experience, consider the Lake Génos – Col de Val Louron-Azet loop from Génos, which covers 26.5 km with substantial elevation gain. This route offers an extended ride through the picturesque mountain landscape.


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