Réserve Biologique Dirigée De La Montagne Des Frêtes
Réserve Biologique Dirigée De La Montagne Des Frêtes
4.4
(267)
12,928
riders
24
rides
Road cycling in Réserve Biologique Dirigée De La Montagne Des Frêtes offers routes through a mountainous landscape characterized by significant elevation changes, dense forests, and distinctive karstic limestone formations. Situated within the Bornes massif, the area features altitudes ranging from 1500 to 1800 meters, providing challenging climbs and descents. The terrain is rugged, with varied natural features including Hooked Pine and Spruce forests. This region, known for its naturalness and quietude, ensures a serene environment for no traffic road cycling…
Last updated: May 29, 2026
32
riders
19.8km
01:05
370m
370m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
59
riders
80.0km
04:08
1,310m
1,310m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
17
riders
17.5km
01:32
770m
760m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
17
riders
29.1km
01:46
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.3
(3)
60
riders
48.5km
02:11
360m
360m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Réserve Biologique Dirigée De La Montagne Des Frêtes
Magnificent fresco in homage to the resistance fighters of the Glières plateau.
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The road is degraded for the last 3.5 km of the plateau climb. 1 km of gravel before starting the descent. Very steep descent.
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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 bridge is an element of the birth of the city, built from 1225. It was initially made of wood resting on the islands of the Arve to connect the two banks. In 1661, the Regent Marie-Jeanne-Baptiste of Savoy-Nemours had a stone bridge with five arches built. Between 1862 and 1866, it was replaced by the current bridge, built by the engineers Deglin and Vivenot. It was named "Pont de l'Europe" when Valérie Giscard d'Estaing passed through Bonneville in 1989, during the campaign for the European elections. Downstream, it was doubled in 2010 by a second asymmetrical cable-stayed bridge whose elegant silhouette is already part of Bonneville's architectural heritage.
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This former small town is now attached to the new town of Fillière. It is located at the foot of the Col de Glières and at the start of a magnificent road which runs through the balconies of Pramelan. There is a medieval castle from the 12th century.
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A magnificent pass, which rolls well… and a nice downhill on Thorens glière…
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There are over 20 no-traffic road cycling routes in Réserve Biologique Dirigée De La Montagne Des Frêtes, offering a variety of options for different skill levels. You'll find routes ranging from easy to difficult, ensuring a suitable ride for everyone.
The best time for road cycling in Réserve Biologique Dirigée De La Montagne Des Frêtes is typically from late spring through early autumn. During these months, the weather is generally more stable, and the mountain passes are clear of snow, offering optimal conditions to enjoy the stunning landscapes of the Bornes massif.
Yes, there are several easy no-traffic road cycling routes. For instance, the Col des Fleuries – View of the Mountain Peaks loop from Thorens-Glières is an easy 11.3 km route with manageable elevation gain, perfect for a relaxed ride or families looking for a gentle introduction to the area's beauty.
The routes in Réserve Biologique Dirigée De La Montagne Des Frêtes are set within the mountainous Bornes massif, so expect significant climbs and descents. The terrain is rugged, featuring forested sections with Hooked Pine and Spruce, and distinctive karstic limestone formations. While traffic-free, these routes still offer the challenge and reward of mountain cycling.
Absolutely. Many routes offer spectacular views of the surrounding mountain peaks. The region is part of the larger Natura 2000 site "Les Frettes - Massif des Glières," and the nearby Plateau des Glières is known for its natural beauty and historical significance. Routes like the Col des Fleuries – View of the Mountain Peaks loop from Usillon provide excellent opportunities to take in these vistas.
Yes, experienced riders will find challenging options. The View of the Mountain Peaks – Col des Fleuries loop from Mappenaz is a difficult 77.9 km route with over 1250 meters of elevation gain, offering a substantial challenge and rewarding views for advanced cyclists.
The komoot community highly rates the road cycling experience here, with an average score of 4.3 stars from over 225 ratings. Cyclists often praise the quietude and natural beauty of the reserve, appreciating the opportunity to ride without vehicle traffic amidst stunning mountain scenery.
Yes, many of the no-traffic road cycling routes in Réserve Biologique Dirigée De La Montagne Des Frêtes are designed as loops. This allows you to start and finish at the same point, making logistics easier. Examples include the Val de Borne – Col des Glieres loop from Le Petit-Bornand-les-Glières and the Col des Fleuries – View of the Mountain Peaks loop from Mappenaz.
While specific parking locations vary by route starting point, many villages and towns surrounding the Réserve Biologique Dirigée De La Montagne Des Frêtes, such as Usillon, Le Petit-Bornand-les-Glières, Mappenaz, and Thorens-Glières, offer public parking facilities. It's advisable to check the route details for suggested starting points and parking options.
Absolutely. As a "Réserve Biologique Dirigée," the area is dedicated to biodiversity, providing a habitat for species like the Black Grouse and the Three-toed Woodpecker. Its designation as an "espace de naturalité et de quiétude" ensures a serene environment, making it appealing for nature observation and hiking in addition to cycling.
While the routes themselves are designed to be traffic-free and often pass through natural, quiet areas, you will find cafes and small eateries in the villages and towns at the start or end points of many routes, such as Thorens-Glières or Le Petit-Bornand-les-Glières. It's always a good idea to carry sufficient water and snacks, especially on longer rides.


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