4.4
(67)
1,609
riders
13
rides
Road cycling around Lac de Chalain offers varied terrain within the Jura region of France. The landscape is characterized by green hills, forests, and cliffs surrounding the crystal-clear waters of Lac de Chalain, the largest natural lake in the Jura. Cyclists will encounter routes that traverse diverse scenery, from lakeside paths to climbs within the broader Jura Mountains, providing a range of elevation profiles.
Last updated: May 17, 2026
9
riders
51.4km
02:36
720m
720m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(2)
31
riders
37.2km
01:45
490m
490m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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22
riders
24.8km
01:19
290m
290m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
16
riders
42.3km
01:56
500m
500m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.7
(3)
22
riders
28.9km
01:32
270m
270m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
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Popular around Lac de Chalain
Here you have to push your bike along a steep staircase.
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The smaller of the two Maclu Lakes, with an easy hiking trail along its shore.
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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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Climbed it today (17-8-25); it's open, and there are signs along the road showing your progress. Traffic is quiet, and a beautiful green climb, especially further on.
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Easy, shaded path, perfect for cooling off in hot weather.
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Classified as 3rd category, the Col de la Joux was crossed during the 8th stage of the 2017 Tour De France!
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Just off the road worth a stop to see all the foot prints.
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Watch out for Ice in the winter, can you find the secret waterfall ?
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There are 14 dedicated no-traffic road cycling routes around Lac de Chalain, offering a variety of experiences for different fitness levels. These routes are designed to provide a serene cycling experience away from heavy vehicle traffic.
The routes around Lac de Chalain cater to a range of abilities. You'll find 3 easy routes perfect for a relaxed ride, 9 moderate routes that offer a good challenge, and 2 difficult routes for experienced cyclists seeking more demanding climbs and distances. For example, the Col de la Joux – Route d'Étival loop from Doucier is a difficult option.
Yes, there are 3 easy routes suitable for beginners or families looking for a relaxed ride. The Hérisson Waterfall loop from Fontenu is an excellent easy option, allowing you to enjoy the natural beauty without significant climbs.
The routes offer stunning vistas of the Jura region. You'll encounter the striking turquoise waters of Lac de Chalain, green hills, and dense forests. Many routes pass by panoramic viewpoints, such as the Fontenu panoramic viewpoint or the Belvedere de Lac de Chalain, offering spectacular views of the lake and its surroundings. The broader Jura Mountains provide a breathtaking natural setting with diverse landscapes.
Absolutely. The region is home to the famous Cascades du Hérisson, a series of beautiful waterfalls. The Hérisson Waterfall loop from Fontenu is an easy road cycling route that allows you to experience this prominent natural attraction.
Many of the routes around Lac de Chalain are designed as loops, allowing you to start and end at the same point. For instance, the Chalain Lake spot loop from Fontenu is a moderate circular route that offers great views of the lake.
The area is highly rated by the komoot community, with an average score of 4.55 out of 5 stars from 27 ratings. Reviewers often praise the stunning natural beauty, the well-paved surfaces, and the low traffic on many roads, making it ideal for a peaceful and enjoyable road cycling experience.
The Jura region, including Lac de Chalain, is beautiful for cycling from spring through autumn. Spring offers fresh greenery and blooming landscapes, while summer provides warm weather perfect for combining cycling with a dip in the lake. Autumn brings vibrant colors to the forests. Always check local weather conditions before heading out.
Beyond the natural beauty of Lac de Chalain and the Cascades du Hérisson, you might encounter historical sites like prehistoric lakeside huts. Some routes, such as the Dinosaur footprints – View of Route de Louille loop from Marigny, even pass by unique geological features like dinosaur footprints, adding an extra layer of interest to your ride.
Many of the routes start from villages like Doucier, Fontenu, or Marigny, which typically offer public parking facilities. It's advisable to check specific starting points of your chosen route for the most convenient parking options.
While the routes focus on low-traffic roads, they often pass through or near small villages where you can find local cafes, bakeries, or restaurants to refuel. It's always a good idea to carry snacks and water, especially on longer rides, as amenities might be spaced out.


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