4.7
(3)
30
riders
7
rides
Gravel biking around Prébois is characterized by its challenging mountainous terrain and dense woodlands. The region features significant elevation changes, with routes often climbing over 1000 meters, offering demanding rides through varied landscapes. Expect a mix of forest paths, open sections, and views of the surrounding valleys and mountain passes.
Last updated: May 7, 2026
6
riders
48.9km
03:38
1,170m
1,170m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
4
riders
23.5km
01:55
690m
690m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
10
riders
79.5km
06:04
2,000m
2,000m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
27.5km
02:07
580m
590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
28.3km
01:55
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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From Saint-Michel-les-Portes, it's about 7 km at an average gradient of 8%. The last few kilometers often reach double digits. A cruel climb if it's the last one of your day...
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A small village in the southern Vercors, ideal for starting a hike
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Beautiful view and nice place with a table
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magnificent little walk to do
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Beautiful chapel with Mont Aiguille in the background.
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The Papavet and Pellas passes are easily accessible on gravel and even roll very well.
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Gravel biking around Prébois is characterized by challenging mountainous terrain with significant elevation changes. All routes listed are rated as difficult, making them more suitable for experienced riders. There are no easy or beginner-friendly gravel bike trails specifically highlighted in this region.
The gravel bike routes in Prébois vary in length, generally ranging from moderate to long distances. For example, the Mens – View of the valley and Mens loop from Mens is 14.6 miles (23.5 km), while the Vieille Route de Grimone – Col de Grimone (1318 m) loop from Clelles-Mens extends to 48.8 miles (78.5 km).
Yes, many of the gravel bike routes in Prébois are designed as loops, offering a convenient way to start and end your ride in the same location. Examples include the Col de l'Allimas – Fau Pass loop from Clelles-Mens and the Allimas Pass – Col de l'Allimas loop from Saint-Maurice-en-Trièves.
The Prébois region offers stunning natural attractions. You can find several viewpoints offering panoramic vistas, such as the View of Lake Monteynard from the Balcon du Drac or the View of Lac du Sautet. The area is also known for its mountain passes, including the notable Col de Grimone (1318 m).
Many gravel bike routes in Prébois start from villages like Clelles-Mens, Mens, or Saint-Maurice-en-Trièves. These locations typically offer public parking facilities, often near the town centers or trailheads, making them convenient starting points for your ride.
Given the mountainous terrain and significant elevation, the best time for gravel biking in Prébois is generally from late spring through early autumn. During these months, the weather is more stable, and trails are less likely to be affected by snow or ice, especially at higher altitudes.
You can expect a mix of forest paths, open sections, and varied terrain. The routes often feature challenging climbs and descents, characteristic of mountainous regions. Conditions can vary with weather, so it's always advisable to check local forecasts before heading out.
While the trails themselves traverse natural landscapes, many routes start or pass through villages such as Mens, Clelles-Mens, or Saint-Maurice-en-Trièves. These villages often provide amenities like cafes, bakeries, or small shops where you can refuel and take a break.
While many outdoor areas in France are dog-friendly, it's essential to consider the difficulty of the routes and local regulations. The trails in Prébois are challenging, and some sections might be strenuous for dogs. Always keep your dog on a leash, especially in areas with wildlife or livestock, and ensure they are fit enough for the ride. Check for specific signage regarding dogs on trails.
The gravel biking routes in Prébois are highly rated by the komoot community, with an average score of 4.6 stars from over 5 reviews. Riders often praise the challenging ascents, the rewarding panoramic views of the valleys, and the immersive experience of riding through dense woodlands and mountain passes.
Gravel biking in Prébois is challenging due to its significant elevation changes, with many routes climbing over 1000 meters. The terrain includes demanding ascents and descents through mountainous landscapes, deep valleys, and extensive forests, requiring good physical condition and technical riding skills.


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