4.3
(22)
139
riders
11
rides
Gravel biking around Lac de Chambly offers diverse terrain within a protected natural setting in the Jura department of eastern France. This glacial lake is surrounded by varied landscapes including overhanging cliffs, extensive marshes, dense forests, and open meadows. The region is shaped by ancient ice age processes, featuring the Hérisson River and its renowned cascades, which contribute to a network of unpaved surfaces ideal for no traffic gravel bike trails. Elevated viewpoints provide panoramic perspectives of the lake and its diverse natural features, connecting to other lakes in the scenic Pays des Lacs et Gorges region.
Last updated: May 17, 2026
4.0
(2)
13
riders
31.7km
01:56
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
18
riders
32.0km
01:44
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(3)
7
riders
48.9km
03:28
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
27
riders
29.3km
02:05
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
24
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Lac de Chambly
A bit of welcome freshness
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An imposing lake, of a remarkable blue!
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Beautiful viewpoint "Roches de Baume" with views from the plateau into the valley and as far as Baume-les-Messieurs.
5
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Beautiful, great, viaduct and tunnel. It's a shame the cycle path isn't asphalted.
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Correction to my tip: Asphalt with mixed traffic, for residents, but I couldn't see where the residents wanted to go. It's a shame, some sections of the asphalt are no longer in such good condition.
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Beautiful views, but unfortunately the railway line cycle path is not asphalted.
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An old railway bridge worth seeing, unfortunately there are stupid rivets on the road and it is slippery when wet.
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With the many tunnels, bridges and some beautiful views, it definitely has the potential to be a beautiful railway cycle path. Most of it is not asphalted, there is light in the tunnels, but the lack of asphalt means that there are very dangerous longitudinal grooves. Later there is a staircase, which is not easy with full luggage and in bad weather. The asphalted sections unfortunately have car traffic, even if only local residents. Conclusion: unfortunately it doesn't come anywhere close to Alpe-Adria.
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The area offers a good selection of routes designed for gravel biking away from traffic. You'll find over 10 dedicated trails, ranging from moderate to difficult, allowing you to explore the diverse landscapes of the Jura.
The terrain around Lac de Chambly is quite varied, featuring dense forests, open meadows, and paths along the lake. You can expect a mix of unpaved surfaces ideal for gravel biking. While there are no easy routes listed, you'll find a balance of 4 moderate and 7 difficult trails, offering options for different skill levels.
While many routes in the area are rated moderate to difficult, the region's natural beauty makes it appealing for families with older children or those comfortable with more challenging rides. For a taste of the area, consider the 12.5 km Doucier Beach – View of Lac de Chalain loop from Doucier, which is rated moderate and offers scenic views.
Yes, many of the no-traffic gravel trails around Lac de Chambly are designed as loops, allowing you to start and end at the same point. For example, the View of Lac de Chalain – Doucier Beach loop from Marigny is a moderate 15 km circular route that showcases the area's beauty.
The region is rich in natural beauty. You can enjoy panoramic views of Lac de Chambly and its surroundings from belvederes in Doucier and Dame Blanche. The trails often pass through dense forests, open meadows, and offer glimpses of the tranquil glacial lake. The Hérisson River, flowing from the famous Cascades du Hérisson, also runs through the area, adding to the scenic appeal.
Absolutely. For experienced gravel bikers looking for a longer challenge, consider routes like the PLM cycle path – View of Lac de Chalain loop from Marigny. This difficult route spans over 42 km with significant elevation, offering an immersive experience through the Jura landscape. Another challenging option is the Tunnel de la Diane (Voie PLM) – Révigny Metal Viaduct loop from Châtillon, covering nearly 49 km.
The area is beautiful throughout the warmer months. Spring and autumn offer pleasant temperatures and vibrant foliage, making them ideal for gravel biking. Summer is also great, but trails might be busier, especially near popular spots. Winter can be challenging due to snow and ice, though some might enjoy the solitude if conditions allow.
Generally, dogs are welcome on trails in natural areas, especially if kept on a leash. As Lac de Chambly is part of a Natura 2000 protected zone, it's important to respect local wildlife and regulations. Always ensure your dog is under control and that you clean up after them.
Parking is typically available in the villages surrounding the lake, such as Doucier, Marigny, or Monnet-la-Ville, which often serve as starting points for many routes. Look for designated parking areas near trailheads or public spaces in these communities.
The komoot community highly rates the gravel biking experience around Lac de Chambly, with an average score of 4.2 stars. Reviewers often praise the quiet, unspoiled natural setting, the diverse terrain that keeps rides interesting, and the opportunity to explore away from busy roads. The scenic views of the lake and surrounding forests are also frequently highlighted.
While the trails themselves focus on natural, no-traffic areas, you'll find cafes and small eateries in the nearby villages like Doucier, Marigny, or Monnet-la-Ville. These are excellent spots to refuel before or after your ride, or to plan a mid-ride stop if your route passes through them.


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