4.4
(353)
3,342
riders
43
rides
No traffic touring cycling routes around Lac de Chalain traverse a landscape shaped by the largest natural glacial lake in the Jura, known for its varying water colors and surrounding limestone cliffs. The region is characterized by the Jura Mountains, featuring extensive forests, varied topography, and a network of karstic springs feeding the lake. This geological setting, including an east-west oriented *reculée*, provides diverse terrain for cycling.
Last updated: July 12, 2026
4.6
(24)
206
riders
30.8km
02:12
430m
430m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
20
riders
30.4km
02:05
500m
500m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(2)
22
riders
51.3km
04:18
660m
660m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
17
riders
6.46km
00:35
80m
80m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
12
riders
47.1km
03:59
770m
770m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Lac de Chalain
Very beautiful hike to do in 3 hours at a leisurely pace
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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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View of Lac de Chalain from a small hiking trail.
7
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Boat mooring with wooden dock for fishing boats at Lac de Narlay.
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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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Easy, shaded path, perfect for cooling off in hot weather.
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Beautiful views, but unfortunately the railway line cycle path is not asphalted.
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There are over 45 dedicated no-traffic touring cycling routes around Lac de Chalain, offering a wide range of options for different skill levels. You'll find routes categorized as easy, moderate, and difficult, ensuring there's something for everyone.
Yes, Lac de Chalain offers several easy, no-traffic routes perfect for families. These routes typically feature mostly paved surfaces and minimal elevation gain. An excellent example is the Lake Chalain – Lake Chalain Beach loop from Fontenu, which is an easy 11.4 km ride with gentle inclines, ideal for a relaxed family outing.
The terrain around Lac de Chalain varies. Many no-traffic routes utilize dedicated cycle paths, old railway lines (Voie Verte), or quiet country roads, often paved. However, some routes, especially moderate to difficult ones, may include unpaved sections through forests or along lake shores. The region's glacial origins mean you'll encounter varied topography, from flat lakeside paths to gentle climbs through the Jura foothills.
While many outdoor areas in France are dog-friendly, it's always best to check specific route regulations. Generally, dogs on a leash are permitted on most public cycle paths and quiet roads. However, some protected natural areas or private properties along routes might have restrictions. Always ensure your dog is well-behaved and that you carry waste bags.
Yes, circular routes are a popular option for touring cyclists around Lac de Chalain. For instance, the Chalain Lake Viewpoint – View of Lake Chalain loop from Doucier is a moderate 20.2 km circular route that offers stunning views of the lake. Another option is the Lake Chalain Beach – Lake Chalain loop from Fontenu, a moderate 13.2 km loop.
The no-traffic routes around Lac de Chalain offer numerous natural highlights. You'll often encounter breathtaking views of the lake itself, with its striking turquoise waters framed by limestone cliffs. Many routes pass through unspoiled forests and lush greenery typical of the Jura Mountains. While not directly on every cycling route, the spectacular Cascades du Hérisson, a series of waterfalls, are a prominent natural attraction in the wider region and can be accessed via nearby trails.
The best time for no-traffic touring cycling around Lac de Chalain is generally from late spring (May) to early autumn (September). During these months, the weather is usually pleasant, with warmer temperatures and less rainfall. The vibrant greenery of spring and the rich colors of autumn provide beautiful scenery. Summer (July-August) is popular but can be busier, especially around the lake's beaches.
Parking is available at various points around Lac de Chalain, particularly near popular access points and villages like Doucier and Fontenu. Look for designated parking areas near the lake's beaches or trailheads. Some routes, like those starting from Doucier, often have convenient parking options close to the beginning of the cycling paths.
Yes, bike rental services are available in the Lac de Chalain area, especially in the main tourist villages during peak season. These typically offer a range of bikes, including touring bikes and e-bikes. For repairs, local bike shops can be found in larger towns within the Jura region. It's advisable to check availability and opening hours in advance, particularly outside of summer.
The Lac de Chalain area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the stunning natural beauty, the tranquility of the no-traffic routes, and the variety of landscapes, from lakeside paths to forest trails. The clear, turquoise waters of the lake and the well-maintained paths are frequently highlighted as favorite aspects.
While Lac de Chalain itself is excellent for swimming with two supervised sandy beaches (Doucier Beach and Domaine de Chalain beach), many no-traffic cycling routes will pass close to the lake, offering opportunities to stop for a dip. Always ensure you are swimming in designated or safe areas. The lake's clear waters are very inviting, especially after a ride.
Yes, the villages surrounding Lac de Chalain, such as Doucier and Fontenu, offer various amenities. You'll find cafes, restaurants, and accommodation options ranging from campsites to hotels. Many routes will pass through or near these villages, providing convenient stops for refreshments or overnight stays. It's a good idea to plan your route to include these stops, especially on longer rides.


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