4.3
(130)
2,220
riders
78
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…
Last updated: August 27, 2026
5.0
(2)
25
riders
51.4km
04:43
1,250m
1,250m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
29
riders
11.9km
00:48
110m
110m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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4.5
(2)
21
riders
24.6km
02:17
710m
710m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
7
riders
11.7km
01:17
440m
440m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.1
(10)
117
riders
32.8km
02:19
490m
490m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The summit rock and a seating area are located after the strenuous ascent. Here you have to decide which way you want to go next.
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Very well equipped shelter. To be respected. It
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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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Very accessible for those who do not hike in the mountains
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I would just like to remember that Alejandro Valverde was the first rider at the top of this pass when the Tour crossed it for the first time in 2012, subsequently winning the stage that ended in Peryagudes.
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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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