4.7
(127)
2,753
riders
71
rides
Road cycling routes around Lac du Grand Maclu are set within the Jura Mountains, a region characterized by its glacial lakes, dense forests, and varied terrain. The area, often referred to as "Little Scotland," features a series of interconnected lakes, including Lac du Grand Maclu, Lac d'Ilay, Lac de Narlay, and Lac du Petit Maclu. Cyclists encounter a landscape composed of alpine meadows, peat bogs, and ascents leading to panoramic viewpoints such as Pic de l'Aigle. The geological features, including…
Last updated: July 2, 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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4.5
(2)
18
riders
36.4km
01:45
490m
490m
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)
20
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Very nice outing early in the morning
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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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It is not a Linden but a Sequoia.
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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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The region around Lac du Grand Maclu, nestled in the Jura Mountains, offers varied terrain. You'll encounter glacial lakes, dense forests, alpine meadows, and peat bogs. Routes often include ascents leading to panoramic viewpoints, providing a good challenge for road cyclists, while also featuring flatter stretches around the lakes.
Yes, there are several easier options. Out of over 80 road cycling routes in the area, 6 are classified as easy. These routes typically feature mostly paved surfaces and moderate elevation gains, making them suitable for families or those new to road cycling. For example, the 'Grand Maclu Lake – Lac de la Motte loop' from La Fromagerie is an easier 11.3km option.
For experienced road cyclists seeking a challenge, the region offers 36 difficult routes. These routes feature significant elevation gains and longer distances. A notable example is the Col de la Joux – Lake Etival loop from La Chaux-du-Dombief, which is 67.4 km long and includes substantial climbing, passing through the Col de la Joux.
The Lac du Grand Maclu area is rich in natural beauty. You can enjoy views of the 'Four Lakes' (Lac du Grand Maclu, Lac d'Ilay, Lac de Narlay, and Lac du Petit Maclu) with their distinctive turquoise and emerald waters. Routes often pass by the unique light-colored carbonate platforms of the lakes. For breathtaking panoramic vistas, consider routes that include or pass near Pic de l'Aigle (Eagle Peak) or the Belvédère des Quatre Lacs, which offer views over the Hérisson Valley and potentially Mont Blanc on a clear day.
Yes, many of the road cycling routes in the area are loops, allowing you to start and end at the same point. For instance, the Lac de la Motte – View of Lac de Narlay loop from Le Frasnois is a popular 25.1 km circular route. Another option is the View of Lac de Narlay – Petit Maclu Lake loop from Le Frasnois, which covers 40.7 km.
The best time for road cycling in the Lac du Grand Maclu region is generally from spring through autumn. During these seasons, the weather is more favorable, and the natural landscapes are at their most vibrant. Summer offers lush greenery, while spring and autumn provide milder temperatures and beautiful foliage. It's advisable to check local weather conditions before planning your ride.
While the region emphasizes its natural beauty, you can find amenities in nearby villages and towns. It's recommended to plan your route to pass through or near settlements like Le Frasnois or La Chaux-du-Dombief, where you are more likely to find cafes, restaurants, or small shops to refuel during your ride. Always carry sufficient water and snacks, especially on longer routes.
Yes, parking is generally available at various starting points for routes, particularly in or near the villages surrounding the lakes, such as Le Frasnois or La Chaux-du-Dombief. Look for designated parking areas or public car parks. It's always a good idea to arrive early, especially during peak season, to secure a spot.
The road cycling routes around Lac du Grand Maclu are highly regarded by the komoot community, with an average rating of 4.7 stars from over 130 reviews. Cyclists often praise the stunning natural scenery, the variety of terrain, and the tranquil 'Little Scotland' ambiance. Many appreciate the well-maintained paved surfaces and the rewarding views from higher elevations.
While many outdoor areas in France are dog-friendly, it's important to be mindful of local regulations, especially in protected natural areas like the Four Lakes region. Dogs should generally be kept on a leash to protect local wildlife and ensure the safety of other users. Always check specific route details or local signage for any restrictions, particularly concerning nature reserves or private land.
While the Cascades du Hérisson (Hérisson Waterfalls) are a prominent natural attraction near Lac du Grand Maclu, they are primarily accessed via a picturesque walking path. You can cycle to the vicinity of the waterfalls, but the immediate trails around the cascades are typically for hiking. You could incorporate a visit to the Hérisson Valley as a stop on a longer road cycling tour, parking your bike to explore the waterfalls on foot.
There are over 80 road cycling routes available around Lac du Grand Maclu on komoot. These routes cater to various fitness levels, with options ranging from easy to difficult, ensuring there's something for every road cyclist.


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