4.7
(124)
3,023
riders
10
rides
Road cycling around Lac de Bonlieu offers varied terrain within the Jura Mountains, characterized by a stunning glacial lake set amidst limestone cliffs and dense forests. The region features sloping forests, wet meadows, and picturesque valleys, providing a diverse natural backdrop for cycling. Routes often traverse quiet, paved roads, connecting various lakes and natural attractions like the Cascades du Hérisson. The landscape includes challenging ascents and rolling hills, making it suitable for different levels of road cyclists.
Last updated: July 12, 2026
9
riders
28.5km
01:24
430m
430m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
38.4km
01:51
520m
520m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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4.5
(2)
33
riders
45.5km
02:16
670m
660m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
3.0
(1)
11
riders
12.4km
00:34
120m
120m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.0
(3)
42
riders
71.7km
03:42
1,150m
1,150m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Lac de Bonlieu
Very nice outing early in the morning
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The Saut de la Saisse is a waterfall in France located in the Jura massif, at the point where the Ain river flows into the Vouglans reservoir at Pont-de-Poitte and Patornay, between Lons-le-Saunier and Clairvaux-les-Lacs. A "marmite du diable", "marmite de géant" or "marmite glaciaire" in Switzerland (or simply "marmite" or "chaudron") is a more or less cylindrical natural cavity carved into the rock by ancient, generally torrential watercourses, carrying pebbles or gravel, which promotes swirling erosion (a phenomenon called "marmitage").
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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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It is not a Linden but a Sequoia.
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Easy, shaded path, perfect for cooling off in hot weather.
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There are 9 dedicated no traffic road cycling routes around Lac de Bonlieu featured in this guide. These routes offer a range of experiences, from easy spins to more challenging rides through the Jura Mountains.
The Jura Mountains, including the Lac de Bonlieu area, are particularly captivating during autumn when the surrounding foliage erupts in yellows and oranges, offering stunning scenery. Spring and summer also provide pleasant conditions for cycling, with lush landscapes and comfortable temperatures.
The no traffic road cycling routes around Lac de Bonlieu traverse diverse terrain, including rolling hills, picturesque valleys, and some challenging ascents characteristic of the Jura Mountains. You'll find well-maintained, mostly paved roads, offering a mix of moderate climbs and scenic descents.
Yes, there are 2 easy no traffic road cycling routes available. For example, the Castle tower – Saint-Nithier Church loop from La Frasnée is a shorter, less demanding option, perfect for those new to road cycling or looking for a relaxed ride.
Many routes offer breathtaking natural scenery. You can expect panoramic views of glacial lakes, dense forests, and the limestone peaks of the Jura Mountains. The region is also home to the famous Cascades du Hérisson waterfalls, and viewpoints like the Belvédère de la Ronde offer stunning vistas of Lac de Bonlieu itself.
Absolutely. The Lac de Bonlieu area is part of the 'Pays des Lacs' (lakes region). Routes often provide views of other beautiful lakes such as Lac de Narlay and Petit Maclu Lake. For instance, the View of Lac de Narlay – Petit Maclu Lake loop from Le Frasnois specifically highlights these stunning water bodies.
The area is highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the tranquility of the routes, the stunning natural backdrops, and the well-maintained paved surfaces that make for an enjoyable and safe cycling experience away from traffic.
Yes, parking is generally available in the villages and near popular starting points for the routes. For example, routes starting from Le Frasnois or Nanchez typically have designated parking areas nearby, making it convenient to access the no traffic cycling paths.
While the routes themselves are public roads with no traffic, specific regulations regarding dogs may apply in certain protected natural areas or around the lakes. It's always best to keep dogs on a leash and be mindful of local signage, especially in areas with sensitive flora and fauna.
The villages surrounding Lac de Bonlieu and along the routes, such as Bonlieu, offer various options for cafes, pubs, and accommodation. These provide convenient spots for a break, a meal, or an overnight stay, allowing you to fully enjoy your cycling adventure in the region.
Yes, many of the no traffic road cycling routes in this guide are designed as loops, allowing you to start and end at the same point. An example is the Saint-Sébastien Church loop from Nanchez, which offers a circular journey through the scenic landscape.
For a moderate challenge with beautiful scenery, consider the Lac de Narlay – View of Lac de Narlay loop from Le Frasnois. This route covers over 45 km with significant elevation gain, offering stunning views of Lac de Narlay and the surrounding Jura landscape.


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