4.7
(87)
1,908
riders
79
rides
Road cycling routes around Lac Le Grand Maclu traverse a diverse landscape within the Jura Mountains, characterized by pristine lakes, dense forests, and varied elevation changes. The region, often referred to as "Little Scotland," features four emblematic lakes: Grand Maclu, Petit Maclu, Lac d'Ilay, and Lac de Narlay, providing scenic backdrops for rides. Cyclists encounter a mix of paved surfaces, from gentle lakeside loops to more demanding ascents through rolling hills and forested areas. The terrain offers a balance of…
Last updated: May 20, 2026
5.0
(3)
39
riders
25.1km
01:11
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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.

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5.0
(1)
19
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(2)
17
riders
32.1km
01:30
380m
380m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.0
(1)
17
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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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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Beautiful view of the lake, and afterward, we had a lovely swim in the lake. Nice bar with delicious ice cream.
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Easy, shaded path, perfect for cooling off in hot weather.
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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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On most maps it is called "Lac d’Ilay". The other name probably comes from the small island "Île de la Motte" which is located in the lake.
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Narlay Lake, located in the Jura, is a true natural setting surrounded by forests and green hills. This glacial lake, with its clear waters, offers an idyllic setting for a walk or a contemplative break by the water. The paths that surround it allow you to explore its peaceful banks, offering superb views of the Jura mountains and the reflections of the landscape in the lake.
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There are over 80 road cycling routes around Lac Le Grand Maclu, catering to various skill levels. This includes 6 easy routes, 40 moderate routes, and 36 difficult routes, ensuring options for everyone from beginners to experienced cyclists.
Yes, the region offers several easy road cycling routes perfect for beginners or families. An excellent option is the "Grand Maclu Lake – Lac de la Motte loop," which is mostly paved and suitable for all fitness levels. While not explicitly listed in the routes, the region research mentions an 11-kilometer trail circumnavigating the four lakes, which is also suitable for biking.
For experienced cyclists seeking a challenge, the region offers demanding routes. The Col de la Joux – Lake Etival loop from La Chaux-du-Dombief is a difficult 67.4 km path with significant elevation gain, winding through mountain passes. The wider Jura Mountains also feature climbs like Mont Poupet (up to 16% gradients) and iconic passes such as Col de la Faucille and Grand Colombier, which have been part of the Tour de France.
Yes, many routes in the area are designed as loops, allowing you to start and end in the same location. For example, the Lac de la Motte – View of Lac de Narlay loop from Le Frasnois offers a moderate 25.1 km ride with views of the surrounding lakes. Another option is the Lac de Narlay – View of Lac de Narlay loop from Le Frasnois, a 45.5 km trail leading through forested areas and offering panoramic lake views.
While some viewpoints require a short hike, road cycling routes often offer stunning vistas. The region is known for its panoramic views of the four lakes (Grand Maclu, Petit Maclu, Lac d'Ilay, and Lac de Narlay). The View of Lac de Narlay – Petit Maclu Lake loop from Le Frasnois provides excellent opportunities to enjoy these landscapes.
The Cascades du Hérisson are a major natural attraction near Lac Le Grand Maclu. While the waterfalls themselves are primarily accessed via hiking trails, many road cycling routes in the surrounding area will bring you close to this impressive natural site, allowing for a combined cycling and walking experience to visit them.
The best time for road cycling around Lac Le Grand Maclu is generally from spring through autumn. During these seasons, the weather is more favorable, and the natural beauty of the Jura Mountains, with its lakes and forests, is at its peak. Summer offers warm weather, while spring and autumn provide cooler temperatures and vibrant foliage.
Parking facilities are typically available in the villages and towns surrounding the lakes, such as Le Frasnois, which serves as a common starting point for many routes. Look for designated parking areas near trailheads or local amenities.
Public transport options to reach the immediate vicinity of Lac Le Grand Maclu and its cycling routes may be limited. It is advisable to check local bus schedules or regional train services to nearby larger towns, and then plan for a final leg by car or taxi if direct access is not available.
Yes, you will find local cafes and restaurants in the villages and towns scattered throughout the region, especially near the lakes and popular tourist spots. These establishments offer opportunities to refuel and enjoy local cuisine during your ride.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 130 reviews. Cyclists often praise the stunning "Little Scotland" landscape, the diverse terrain offering both gentle lakeside loops and challenging mountain ascents, and the serene ambiance of the four glacial lakes. The well-maintained paved roads and varied route options are also frequently highlighted.
Yes, the wider Jura region is home to significant long-distance routes. The "Tour du Jura à Vélo Sport" is a notable route covering 252 kilometers with considerable elevation changes, designed for experienced road cyclists. You can find more information about this route on francevelotourisme.com. The "La Grande Traversée" route, spanning over 360 kilometers, also showcases the region's mountains, forests, and lakes.


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