3.9
(59)
1,023
riders
5
rides
Mountain biking around Lac de Caillaouas offers a variety of routes through a high-alpine environment, characterized by mountainous terrain, forested paths, and scenic lake views. The region features significant elevation changes and diverse natural features, including deep blue lakes, rocky peaks, and dramatic gorges. Trails often navigate through valleys and along ridges, typical of the Pyrenean foothills. This area provides diverse challenges for mountain bikers.
Last updated: July 4, 2026
4.3
(3)
18
riders
12.4km
00:54
190m
190m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
4.0
(2)
14
riders
12.6km
01:40
640m
630m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
10
riders
11.5km
01:35
630m
630m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.8
(15)
141
riders
19.7km
02:04
680m
680m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
94
riders
19.0km
01:39
620m
620m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Superb lake in the heart of the Louron valley with beautiful views of the surrounding mountains. The tour of the lake is a superb walk accessible to all. There are several playgrounds along the path.
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Nice panoramic view from there
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Very accessible for those who do not hike in the mountains
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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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The mountain bike trails in the Lac de Caillaouas region primarily range from moderate to difficult. You'll encounter significant elevation changes and varied terrain, characteristic of the Pyrenean foothills. There are no easy routes listed in this guide.
This guide focuses on routes that are moderate to difficult, reflecting the challenging terrain of the Pyrenean foothills. There are no trails specifically categorized as 'easy' within this selection.
For experienced riders seeking a challenge, consider the Loudenvielle Village – View of Lake Loudenvielle loop from Loudervielle, which is 21.2 km long with over 1200 meters of elevation gain. Another difficult option is the Lake Génos-Loudenvielle – Peyresourde Pass loop from Col de Peyresourde, covering 27.2 km with nearly 950 meters of ascent.
The best time for mountain biking around Lac de Caillaouas is typically from late spring through early autumn (May to October). During these months, the weather is generally more stable, and trails are free from snow, offering optimal conditions for riding through the mountainous and forested paths.
Mountain biking in winter around Lac de Caillaouas can be challenging due to snow and ice, especially at higher elevations. Many trails may be impassable or require specialized equipment. It's advisable to check local conditions and forecasts before planning a winter ride.
Yes, all the routes featured in this guide are loop routes, designed to bring you back to your starting point. Examples include the popular Loudenvielle – Panorama of the valley loop from Germ and the Col d'Azet – Col d'Azet loop from Loudervielle.
You can expect scenic lake views, expansive panoramas of the surrounding valleys, and picturesque stretches through forested paths. The region's mountainous terrain ensures a variety of breathtaking vistas throughout your ride.
The mountain bike routes in Lac de Caillaouas are highly regarded by the komoot community, holding an average rating of 4.1 stars from over 60 reviews. Riders often praise the diverse terrain, challenging ascents, and the rewarding scenic lake and valley views.
Ride durations vary depending on the route and your pace. For instance, the moderate Loudenvielle – Panorama of the valley loop from Germ typically takes about 1 hour 45 minutes, while the more difficult Loudenvielle Village – View of Lake Loudenvielle loop from Loudervielle can take around 3 hours.
While the region is popular, routes like the Cja loop from Germ offer a slightly less frequented experience compared to the most popular trails, traversing varied terrain through woodlands and open areas.
The trails feature a mix of mountainous terrain and forested paths. You'll encounter natural surfaces, including dirt, gravel, and some rocky sections, which can be affected by weather. Expect significant elevation changes throughout the routes.


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