Réserve Biologique Dirigée De La Montagne Des Frêtes
Réserve Biologique Dirigée De La Montagne Des Frêtes
4.6
(26)
203
riders
20
rides
Gravel biking in Réserve Biologique Dirigée De La Montagne Des Frêtes offers diverse terrain, from untarmacked sections through unspoilt countryside to challenging trails in the Aravis mountains. The region is characterized by dense forests, alpine environments, and significant natural features like the Plateau des Glières. Routes often traverse the northern slope of the Montagne des Frêtes, providing varied perspectives and riding conditions. This area provides a blend of natural landscapes suitable for different gravel biking experiences.
Last updated: May 22, 2026
4
riders
18.8km
01:22
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
41.8km
02:39
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(6)
22
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
13
riders
30.4km
02:05
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
16
riders
60.5km
03:38
450m
450m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Mountain Hikes in Réserve Biologique Dirigée De La Montagne Des Frêtes
Magnificent fresco in homage to the resistance fighters of the Glières plateau.
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By straying for a moment from the main path, you can discover this small beach on the banks of the Fier. This river, a tributary of the Rhône, boasts a rich and varied natural environment along its banks.
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worth to go, but it's if it's to go on the plateau, it's nicer the other way up!
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The structure is an asymmetrical cable-stayed bridge made of pre-stressed concrete, approximately 75 metres long. The pylon inclined at 15° to the vertical has the shape of an inverted V; the deck crosses this pylon without resting on it.
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Point of intersection The Islands of Clermont Altitude 436m
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Point of intersection Passerelle de Saint Pierre Altitude 437m on the left bank of the Arve
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There are over 20 gravel bike trails in the Réserve Biologique Dirigée De La Montagne Des Frêtes region. These routes offer a variety of experiences, from moderate paths to challenging ascents through diverse terrain.
You can expect a diverse range of terrain, including untarmacked sections through unspoilt countryside, challenging gravel paths in the Aravis mountains, and wild tracks within the Parc Naturel Régional des Bauges. The region features dense forests, alpine environments, and unique geological formations like lapiaz.
Yes, the region offers a significant number of challenging gravel trails, with 16 routes classified as difficult. For instance, the La-Roche-sur-Foron – Route des gorges de la borne loop from Saint-Pierre-en-Faucigny is a difficult 22.1-mile (35.7 km) path featuring challenging gravel sections and secret tracks.
While many routes are moderate to difficult, there are a few easier options. The Thorens-Glières – Small Road in the Greenery loop from Thorens-Glières is a moderate 11.7-mile (18.8 km) trail that features untarmacked sections through pleasant countryside, suitable for those looking for a less strenuous ride.
The region is rich in natural beauty and historical sites. You can explore the scenic Plateau des Glières, known for its historical significance, or enjoy panoramic views from spots like the Belvédère du Pas du Roc. The 'Route de la Soif' offers stunning vistas, including distant views of Mont-Blanc. You'll also encounter dense forests and winding rivers, such as those along the Roman road – Fier River banks loop from Les Villards-sur-Thônes.
Yes, for those seeking longer rides, routes like the Glières Pass – Col des Fleuries loop from La Roche-sur-Foron cover over 31 miles (50 km) and involve significant elevation gain, offering an extended gravel biking experience.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 25 reviews. Riders often praise the diverse terrain, the blend of untarmacked sections through unspoilt countryside, and the challenging trails that traverse secret tracks and wild paths, providing a true gravel biking adventure.
Many of the gravel routes in the Réserve Biologique Dirigée De La Montagne Des Frêtes are designed as loops, allowing you to start and finish at the same point. Examples include the Thorens-Glières – Small Road in the Greenery loop from Thorens-Glières and the Footbridge over the Arve – Arve Path loop from Saint-Pierre-en-Faucigny.
The Haute-Savoie region, including the Montagne des Frêtes, is generally best for gravel biking from spring through autumn. During these seasons, the weather is more favorable, and trails are typically free of snow, allowing for optimal riding conditions and access to higher alpine areas.
The Réserve Biologique Dirigée De La Montagne Des Frêtes is managed for the protection of local fauna, notably the Black Grouse (Tétras lyre). While some areas might have restrictions to protect wildlife, the presence of such species adds to the natural allure of the destination, and you may encounter various birds and other animals, especially in quieter sections of the trails.
The elevation changes vary significantly depending on the route. Some trails, like the Glières Pass – Col des Fleuries loop from La Roche-sur-Foron, feature substantial climbs with over 1300 meters of elevation gain, offering a challenging workout. Other routes, such as the Roman road – Fier River banks loop from Les Villards-sur-Thônes, have more moderate ascents around 300 meters.


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