4.7
(22)
53
riders
21
rides
Gravel biking around Foncine-Le-Bas, located in the Jura department of France, offers a diverse landscape characterized by river-carved geological formations. The region features a mix of gorges, waterfalls, and numerous lakes, alongside extensive forests and varied terrain. This topography provides an engaging environment for gravel cyclists, with routes traversing forest tracks, farm roads, and paths through scenic natural features.
Last updated: July 3, 2026
5.0
(2)
21
riders
22.6km
01:31
330m
330m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
74.6km
05:22
1,390m
1,390m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(3)
12
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(4)
12
riders
47.9km
03:22
860m
860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.2
(6)
7
riders
10.6km
00:35
100m
100m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Very nice outing early in the morning
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Cool passage, definitely take a lamp.
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Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.
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Boat mooring with wooden dock for fishing boats at Lac de Narlay.
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The Bief de la Ruine waterfall is located in the spectacular Malvaux Gorge. One of the most astonishing features of this waterfall is the fact that it only comes alive after heavy rainfall or during snowmelt. When it dries, it gives way to the spectacle of the carved stone, revealing the "Creux des Joyaux," a natural cave where the water swirls with varying degrees of vigor, polishing a multitude of limestone pebbles thanks to the force of its current.
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Lacs de Maclu are two adjacent lakes in the western part of the French Jura, in the Jura department of Franche-Comté. They are located at an elevation of 779 m in a depression in the High Jura, in the region of the Five Lakes near Le Frasnois, about 12 km south of Champagnole. The Petit Maclu, located to the northeast, has an area of 5 hectares, a length of about 500 m, and a maximum width of about 120 m. Its greatest depth is 11 m. It lies entirely within the municipal territory of Le Frasnois.
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Don't miss this beautiful view at Roche Bernard
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There are over 30 gravel bike routes available around Foncine-Le-Bas, offering a wide range of options for different skill levels and preferences.
Yes, Foncine-Le-Bas offers several easy gravel routes. For a family-friendly option, consider the Grand Maclu Lake – Shore of Lac de Narlay loop from Le Frasnois, which is just over 10 km long and features minimal elevation gain, perfect for a relaxed ride around the picturesque lakes.
The terrain around Foncine-Le-Bas is incredibly diverse, characterized by river-carved geological formations. You'll encounter a mix of forest tracks, farm roads, and paths that wind through dramatic gorges, past serene lakes, and alongside impressive waterfalls. This variety provides both smooth riding sections and more challenging segments.
Absolutely. For experienced riders seeking a challenge, the Chapelle-des-Bois – Chapelle-des-Bois loop from Gare de Saint-Laurent-en-Grandvaux is a difficult 74 km path with significant elevation gain through the Jura landscape. Another demanding option is the Shore of Lac de Narlay – View of Lac de Narlay loop from La Chaux-du-Dombief, a 38 km trail with substantial climbing.
Many gravel routes in Foncine-Le-Bas pass by stunning natural features. You can explore the deep passages of the Langouette Gorges, witness the impressive Bief de la Ruine Waterfalls, or ride along the shores of beautiful lakes like Petit Maclu Lake and Lake Ilay. The Shore of Lac de Narlay – Grand Maclu Lake loop from La Chaux-du-Dombief is a great option for picturesque lake views.
Yes, many of the gravel routes around Foncine-Le-Bas are designed as loops, allowing you to start and finish at the same point. Examples include the Shore of Lac de Narlay – Grand Maclu Lake loop from La Chaux-du-Dombief and the Chapelle-des-Bois – Chapelle-des-Bois loop from Gare de Saint-Laurent-en-Grandvaux.
The spring, summer, and autumn months generally offer the best conditions for gravel biking in Foncine-Le-Bas. During these seasons, the weather is typically mild, and the trails are clear of snow, allowing full access to the diverse landscapes of gorges, forests, and lakes. Winter can bring snow, transforming the area into a destination for winter sports.
The gravel biking experience in Foncine-Le-Bas is highly rated by the komoot community, with an average score of 4.8 stars from over 15 reviews. Riders often praise the stunning natural beauty, the varied terrain that keeps rides interesting, and the sense of adventure found on trails winding through gorges, past waterfalls, and around lakes.
While primarily known for its natural beauty, the region does have historical elements. Some routes may pass near remnants of old industries along the Saine River or ancient paths. For example, the route The ghost tunnel! – Shore of Lac de Narlay loop from La Chaux-des-Crotenay hints at an interesting past.
Elevation gain varies significantly depending on the route's difficulty. Easy routes, like the Grand Maclu Lake – Shore of Lac de Narlay loop from Le Frasnois, have around 100 meters of ascent. More challenging routes, such as the Chapelle-des-Bois – Chapelle-des-Bois loop from Gare de Saint-Laurent-en-Grandvaux, can feature over 1400 meters of elevation gain, offering a significant workout.
The Jura region, with its extensive forests and natural landscapes, is home to various wildlife. While specific sightings are never guaranteed, riding through the quiet forest tracks and along lake shores increases your chances of spotting local fauna in their natural habitat.


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