4.6
(246)
2,533
riders
36
rides
No traffic touring cycling routes around Lac du Grand Maclu traverse a landscape characterized by glacial lakes, dense woodlands, and rolling hills within the Jura region of France. The area features the iconic Four Lakes region, including Lac du Grand Maclu, Lac du Petit Maclu, Lac d'Ilay, and Lac de Narlay, set amidst the protected Haut Jura Regional Nature Park. Terrain varies from flat lake loops to routes with significant elevation changes, offering diverse cycling experiences. Panoramic viewpoints, such as…
Last updated: November 12, 2026
5.0
(3)
15
riders
18.9km
01:14
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
7
riders
32.6km
02:12
520m
520m
Hard bike ride. Very good fitness required. Mostly paved surfaces.

5.0
(1)
10
riders
28.5km
02:03
490m
490m
Hard bike ride. Very good fitness required. Mostly paved surfaces.
3.0
(1)
10
riders
4.61km
00:19
60m
60m
Easy bike ride. Mostly paved surfaces.
4.5
(2)
6
riders
19.0km
01:29
300m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
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Popular around Lac du Grand Maclu
Small hike of 70 km today starting from Clairvaux, Cogna, Uxelles, Le Saugeot, Bonlieu, camping du lac de Narlay in Le Frasnois, Le Vaudioux, Pillemoine, Loulle, Mont sur Monnet, Fontenu, Doucier, Charcier, Route de la Clouterie below Clairvaux les Lacs for the return.
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Very nice outing early in the morning
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An imposing lake, of a remarkable blue!
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Nice little town with some beautiful buildings and a small church in the center.
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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.
6
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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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There are over 35 dedicated no-traffic touring cycling routes around Lac du Grand Maclu, catering to various skill levels. You'll find 4 easy routes perfect for a relaxed ride, 19 moderate options for a bit more challenge, and 12 difficult routes for experienced cyclists seeking a demanding adventure.
Yes, the region offers several easy, circular routes ideal for beginners or families. A great option is the Lake Narlay – Lac de Narlay loop from Le Frasnois, which is approximately 4.6 km long and features minimal elevation gain, allowing for a pleasant and accessible ride around the serene Lac de Narlay.
The no-traffic routes around Lac du Grand Maclu feature a diverse range of terrain. You can expect well-maintained gravel paths, quiet forest tracks, and some paved sections through charming villages. The 'Around the 4 Lakes Trail' mentioned in regional information, for example, largely follows gravel paths alongside the lakes, offering a smooth and scenic experience.
The routes are rich with natural beauty. You'll cycle past the stunning glacial lakes of the Four Lakes Region, including Lac du Grand Maclu, Lac du Petit Maclu, Lac d'Ilay, and Lac de Narlay. Many routes offer glimpses of the Haut Jura Regional Nature Park's pristine environment. For breathtaking panoramic views, consider routes that lead towards the Belvédère des Quatre Lacs or the Pic de l'Aigle, which provide sweeping vistas of the lakes and surrounding valleys.
While the immediate vicinity of Lac du Grand Maclu focuses on the lakes, the wider Jura region is famous for its waterfalls. The renowned Hérisson waterfalls, a series of 31 waterfalls and 7 cascades, are a significant natural attraction nearby. While not directly on the listed no-traffic touring routes, some longer cycling loops in the area, such as the 'Tour des 4 lacs – The Hérisson Waterfalls loop' (as mentioned in regional research), integrate these spectacular features, making for a memorable detour or a separate cycling adventure.
The best time for touring cycling around Lac du Grand Maclu is generally from spring through autumn (May to October). During these months, the weather is milder, and the natural landscapes are at their most vibrant. Summer offers the warmest temperatures, while spring and autumn provide cooler rides and beautiful foliage, with fewer crowds. Winter cycling is possible but requires appropriate gear due to colder temperatures and potential snow.
Absolutely. For experienced touring cyclists seeking a challenge, there are 12 difficult no-traffic routes available. An example is the Scenic Forest Descent – Lac de Narlay loop from Le Frasnois, which covers over 32 km with significant elevation gain, offering a demanding yet rewarding experience through varied terrain and stunning scenery.
While many routes are suitable for day trips, some longer options can be combined for multi-day touring. For instance, the Lake Narlay – Scenic Forest Descent loop from Le Frasnois is nearly 38 km long. By linking several of the moderate to difficult routes, you can create extended itineraries that allow for deeper exploration of the Jura's no-traffic paths and charming villages.
The touring cycling routes around Lac du Grand Maclu are highly regarded by the komoot community, with an average rating of 4.6 out of 5 stars from over 185 reviews. Cyclists frequently praise the tranquil, car-free paths, the stunning lake views, and the immersive experience of cycling through the 'Little Scotland' landscape. Many appreciate the variety of routes available, from gentle lakeside loops to more challenging ascents.
Yes, parking is generally available near the starting points of many routes, particularly in and around the villages like Le Frasnois or near popular viewpoints. For example, access to the Belvédère des Quatre Lacs can be achieved by car from La Chaux-du-Dombief, providing a convenient starting point for routes in that area. Specific parking information can often be found on individual route pages on komoot.
While the routes prioritize a natural, no-traffic experience, you'll find opportunities for refreshments in the small villages and hamlets that dot the region. Many routes pass through or near communities where you can find local cafes, bakeries, or small shops. It's always a good idea to carry some snacks and water, especially on longer or more remote sections, but you won't be far from a charming stop.


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