3.8
(3)
71
riders
2
rides
Gravel biking around Lac du Vallon offers diverse terrain within the French Alps, characterized by its unique geological features. The region features a mix of forest tracks, logging tracks, and accessible paths, providing varied surfaces suitable for gravel bikes. Riders can expect routes ranging from gentle gradients around the lake to more challenging ascents with significant elevation gain. This area, nestled within the Chablais UNESCO Global Geopark, combines mountainous landscapes with the distinctive Lac du Vallon, formed by a historic…
Last updated: June 27, 2026
5
riders
93.4km
07:48
2,660m
2,660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
102km
08:01
2,730m
2,730m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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17
riders
77.9km
07:03
2,660m
2,660m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4
riders
68.9km
06:48
2,710m
2,710m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
20
riders
17.6km
01:09
180m
180m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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It's an ideal starting point for the hike. There is a shelter to have a snack, and it's a few minutes from the Sainte-Luce farm. In spring it's a known spot for flowers and particularly daffodils.
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The Buclet Lake is a small and tranquil alpine basin located in France, near Le Bourg-d’Oisans, within the suggestive scenery of the Écrins National Park. Immersed among woods and alpine peaks, this body of crystalline water is a popular destination for fishing and for relaxing walks away from the most intense tourist flows. Often confused with the more famous Lac du Bourget due to phonetic similarity, Buclet offers an intimate and silent environment, ideal for observing the reflections of the surrounding mountains. Its strategic position near the great alpine passes makes it a perfect stopping point for hikers and cyclists exploring the French Alps.
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The most beautiful hill to climb in these areas.
12
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There are no crowds here, just you, the mountain, the wind, and the sensation of pedaling on one of the remote peaks of the French Alps. The summit, at almost 2,000 meters, offers a 360° panorama that erases fatigue and ignites the cycling spirit.
4
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From Le Bourg-d'Oisans the pass is very pleasant to drive.
1
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For real climbers who move upwards like a chamois.
3
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An iconic climb ridden countless times in the Tour de France.
13
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Wonderful road to cycle on.
14
0
The region around Lac du Vallon offers a diverse mix of terrain perfect for gravel biking. You'll find mostly accessible paths, forest tracks, logging tracks, and even some easy single tracks. This variety allows for smooth transitions between different surfaces, from paved sections to more rugged natural paths.
Yes, while there are easier options, many routes in the broader region around Lac du Vallon feature significant ascents and descents. For example, routes like the Col d'Ornon loop from Chantepérier involve over 2,600 meters of elevation gain, providing a vigorous gravel biking experience for those seeking a challenge.
Gravel biking routes in the area often lead to breathtaking natural features and panoramic viewpoints. You can expect to see the emerald waters of Lac du Vallon itself, ride through dense forests, and pass by stunning waterfalls like the Pisse Waterfall and Confolens Waterfall. Many paths also offer panoramic views of the surrounding valleys and high peaks, including the Roc d'Enfer and the Massif des Diablerets.
Beyond the natural beauty, the region holds cultural and historical significance. You might encounter the medieval Chapelle Saint-Bruno or the Croix des Chartreux on various routes. The lake itself, formed by a 1943 landslide, has a unique history, and a themed trail around it explains its formation and the history of its inhabitants, including submerged hamlets.
Lac du Vallon is nestled within the Chablais UNESCO Global Geopark, highlighting its significant geological diversity. The area showcases unique features like vast alder forests (aulnaie), nationally important ecological sites, and distinctive tuf waterfalls formed by mineral deposits. The imposing Grand Armet massif also offers insights into the formation of the Alps.
The routes in the Lac du Vallon area are highly rated by the komoot community, with an average score of 4.2 stars from over 4 reviews. More than 100 gravel bikers have used komoot to explore the varied terrain, often praising the scenic routes through forests and past waterfalls, as well as the diverse paths suitable for different ability levels.
While specific family-friendly gravel routes are not detailed, the region does offer a mix of paths, including 'mostly accessible paths' and 'mostly paved surfaces' that could be suitable for families. The themed trail around Lac du Vallon itself, explaining its history, could be a gentle and engaging option for a family outing.
Yes, several routes in the broader region are designed as loops. For instance, the Lac du Chambon and its dam loop from Le Bourg-d'Oisans offers a substantial circular ride, allowing you to start and finish at the same point.
The alpine pastures above 1,800 meters, accessible from some routes, are home to chamois and marmots, especially during the summer months. Ibex can also be observed in July and August, adding to the rich outdoor experience.
Yes, some routes in the wider region offer views of other significant water bodies. The Les Deux Alpes – Lac du Chambon and its dam loop from Le Bourg-d'Oisans, for example, incorporates views of Lac du Chambon, providing a varied landscape for your ride.
The region is best enjoyed from spring through autumn. While specific seasonal considerations for gravel biking are not detailed, the presence of alpine pastures and wildlife like chamois and marmots in summer suggests pleasant conditions during these months. Winter might present challenges due to snow and ice at higher elevations.
While many routes feature significant elevation, the region does offer 'mostly accessible paths' and 'mostly paved surfaces.' For a less strenuous option, a route like the Le Bourg-d'Oisans loop from Le Bourg-d'Oisans is rated as moderate with a more modest elevation gain, making it suitable for beginners or those seeking a relaxed ride.


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