4.3
(158)
2,389
riders
72
rides
Mountain bike trails in Réserve Naturelle Régionale Du Massif Du Montious traverse a diverse landscape in the Hautes-Pyrénées, ranging from 1,590 to 2,171 meters in altitude. The region features old-growth Pyrenean forests, including fir and hook pine stands, alongside mountainous terrain with peaks exceeding 2000 meters. Riders encounter a mosaic of habitats, from high-altitude moors and meadows to rocky outcrops and significant water features like Lac de Bareilles and Lac de Bordères. The varied topography offers challenging ascents and descents across its geological formations.
Last updated: July 3, 2026
6
riders
65.3km
06:41
2,120m
2,120m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
26
riders
29.3km
02:43
660m
660m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(2)
23
riders
55.6km
05:22
1,560m
1,560m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.1
(7)
25
riders
15.9km
01:31
610m
610m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.2
(5)
20
riders
14.9km
01:05
220m
220m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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A nice reward awaits you with delicious pancakes...
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Viewpoint overlooking the lake and mountains. More information: https://de.wikipedia.org/wiki/G%C3%A9nos_%28Hautes-Pyr%C3%A9n%C3%A9es%29?wprov=sfla1
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The Col de Peyresourde is one of the legendary passes of the Pyrenees. Located at an altitude of 1,589 meters, it marks the separation between the Hautes-Pyrénées and Haute-Garonne departments. The most emblematic climb is the one that starts from Bagnères-de-Luchon. It extends over 13.74 kilometers with an average of 6.9%. It begins with a long false flat before really rising over the last few kilometers.
2
2
A nice view of this lake (it's a dam lake) for a sandwich break before getting back on the road!
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A nice viewpoint for a sandwich break before leaving!
2
0
A great lake that is worth the detour for a break after descending the surrounding passes.
1
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There are over 70 mountain bike trails in Réserve Naturelle Régionale Du Massif Du Montious, offering a wide range of experiences for different skill levels.
The trails in the reserve are predominantly moderate to difficult. You'll find 38 moderate routes and 32 difficult routes, with only a couple of easier options. The mountainous terrain, significant elevation changes, and varied surfaces mean many trails are best suited for experienced riders.
While most trails lean towards moderate or difficult, there are a few easier options available. These routes typically feature less extreme elevation changes and more forgiving terrain, making them suitable for those looking for a gentler ride.
You can expect a diverse landscape, including old-growth Pyrenean forests with fir and hook pine stands, high-altitude moors, meadows, and rocky outcrops. Trails often pass by significant water features like Lac de Bareilles and Lac de Bordères, and offer views of peaks such as Pic de Montious. The geological diversity means varied surfaces, from forest paths to more rugged mountain tracks.
The best time for mountain biking is typically from late spring through early autumn. Due to the reserve's altitude and north-facing orientation, snow cover can persist late into spring, impacting trail conditions. Always check local conditions before planning your ride.
Yes, many of the mountain bike routes in Réserve Naturelle Régionale Du Massif Du Montious are designed as loops. For example, the Loudenvielle – Pumptrack loop from Bordères-Louron is a popular moderate circular route, and the Port de Balès – Balès loop from Bourg-d'Oueil offers varied mountain scenery on a loop.
While riding, you can encounter stunning natural landmarks such as Lac de Bareilles and Lac de Bordères, which are beautiful high-altitude lakes. The trails also wind through impressive old-growth fir forests and offer panoramic views of the surrounding Pyrenean peaks, including Pic de Montious.
No, dogs are not permitted within the Réserve Naturelle Régionale Du Massif Du Montious, even on a leash. This regulation is in place to protect the fragile ecosystem and its diverse wildlife.
Absolutely. For a challenging ride with significant elevation gain, consider the View of Lake Loudenvielle – View of the Lake and Mountains loop from Avajan. This difficult 52.9 km trail features over 1500 meters of ascent and descent, offering a demanding experience.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 100 reviews. Riders often praise the challenging mountainous terrain, the beauty of the old-growth forests, and the stunning high-altitude lakes. The diverse network offers options for various ability levels, from moderate climbs to difficult, long-distance routes.
Yes, as a regional nature reserve, there are specific rules to protect the environment. Besides the prohibition of dogs, fires, swimming, and drone use are also not allowed. Always stay on marked trails and respect the natural surroundings.
Yes, for those looking for enduro-style riding, the Descente type Enduro loop from Arreau offers a moderate-difficulty option with features suitable for this style of mountain biking.


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