4.6
(237)
2,691
riders
37
rides
No traffic touring cycling routes around Lac Le Grand Maclu traverse the Jura Mountains, a region characterized by glacial lakes, dense forests, and high plateaus. The landscape features a chain of four interconnected lakes, including Lac Le Grand Maclu, set amidst rich biodiversity and dramatic glacial formations. This area offers a diverse terrain of quiet roads and gravel paths, suitable for various cycling preferences. The region's physical features include hidden valleys, steep ridges, and extensive woodlands, providing varied elevation profiles for touring cyclists.
Last updated: July 7, 2026
5.0
(3)
14
riders
18.9km
01:14
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
32.1km
02:11
490m
500m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
11
riders
29.0km
02:06
510m
510m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
4.61km
00:19
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4
riders
42.6km
02:45
550m
550m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Lac Le Grand Maclu
Very nice outing early in the morning
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🌿 Lake Narlay: Essential Information Location: Frasnois municipality, in the Lakes Region (Jura). Altitude: 748 m. Surface area: 41 ha. Depth: Up to 40 m, making it the deepest lake in the Jura. Origin: Glacial lake, likely formed by a rockfall. Environment: Meadows, forests, peat bogs, Natura 2000 and Ramsar sites. (Copilot)
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Boat mooring with wooden dock for fishing boats at Lac de Narlay.
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Beautiful view of Lac de Narlay from the hiking trail.
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Lac de Narlay is a lake in the Jura department of France, about 10 km south of Champagnole in Franche-Comté. It lies at an altitude of 748 m in the municipality of Le Frasnois and covers an area of approximately 0.4 km². The lake is 950 m long and 625 m wide. Its maximum depth is 40 m.
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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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Very pleasant banks, hill to climb back up the Frasnois quite steep.
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Easy, shaded path, perfect for cooling off in hot weather.
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There are over 35 dedicated no-traffic touring cycling routes around Lac Le Grand Maclu. These routes offer a variety of experiences, from easy lakeside loops to more challenging rides through the Jura Mountains.
The region is beautiful year-round, but for touring cycling, late spring to early autumn (May to October) generally offers the most pleasant weather. During these months, you'll experience comfortable temperatures and the full beauty of the lakes and forests, with less chance of snow or ice on higher elevations.
Yes, there are several easy routes perfect for beginners or families. For instance, the Lake Narlay – Lac de Narlay loop from Le Frasnois is an easy 4.6 km ride, ideal for a relaxed outing. The region also features routes like the 'Tour des 4 Lacs' which is generally accessible and offers picnic spots.
The terrain around Lac Le Grand Maclu is diverse. You'll find a mix of mostly paved surfaces, especially around the lakes, as well as gravel paths and wooded sections. The Jura Mountains are characterized by hidden valleys, steep ridges, and high plateaus, so some routes will include ascents and descents, while others are flatter lakeside loops.
Absolutely. The region is renowned for its panoramic vistas. The Pic de l'Aigle, for example, offers a spectacular 360-degree view of the four lakes plateau and the Jura mountains. The Belvédère des 4 lacs is another excellent viewpoint to take in the stunning lake district scenery.
Yes, the region is home to impressive waterfalls, most notably the Cascades du Hérisson. While not all touring cycling routes pass directly by them, some routes can be planned to incorporate a visit to these natural wonders, often requiring a short detour or hike from the cycling path.
The area is highly rated by the komoot community, with an average score of 4.6 stars from 182 ratings. Reviewers often praise the quiet roads, the stunning glacial lakes, and the unspoiled forests, making it a peaceful and scenic alternative to more crowded cycling destinations.
Many of the no-traffic touring cycling routes around Lac Le Grand Maclu are designed as loops, allowing you to start and end at the same point. For example, the Narlay Lake Campsite – Scenic Forest Descent loop from Le Frasnois is a moderate 18.9 km circular route that showcases the region's beauty.
Parking is generally available at key access points around the lakes and villages such as Le Frasnois. Many routes, like those starting from Le Frasnois, offer convenient parking options to begin your no-traffic touring cycling adventure.
Yes, for experienced riders seeking a challenge, there are several difficult no-traffic routes. The Lake Narlay – Scenic Forest Descent loop from Le Frasnois is a demanding 37.9 km route with significant elevation gain, offering a rewarding experience through varied landscapes.
You'll encounter a rich tapestry of natural features, including the stunning glacial lakes (Lac Le Grand Maclu, Lac Petit Maclu, Lac d'Ilay, and Lac de Narlay), dense, untouched forests, and unique peat bogs and wetlands that are home to diverse flora and fauna like dragonflies and Eurasian coots. The landscape is shaped by ancient glacial formations, giving it a dramatic and picturesque quality.
While public transport options directly to the trailheads might be limited, some regional bus services connect to the larger towns in the Jura region. It's advisable to check local transport schedules in advance, especially if you plan to bring your bike, as services can vary and may not always accommodate bicycles.


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