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France
Bourgogne-Franche-Comté
Saint-Claude

Bonlieu

The best MTB trails around Bonlieu

4.3

(665)

3,328

riders

166

rides

Mountain bike trails around Bonlieu are set within the Jura department of France, a region characterized by its "Pays des Lacs" designation, shaped by ancient glaciers. The terrain offers a diverse landscape for mountain biking, featuring numerous lakes, dense forests, and varied elevations. Riders can expect a mix of lakeside paths, forest trails, and ascents through areas with cliffs and wooded sections. This topography provides a range of challenges and scenic backdrops for mountain biking.

Best mountain bike trails around…

Last updated: July 6, 2026

4.5

(35)

211

riders

#1.

Grand Maclu Lake – Shore of Lac de Narlay loop from Bonlieu

35.4km

02:51

520m

520m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Bonlieu

Swim and hike – grand Tour of France's Jura lakes in the Western Alps

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Swim and hike – grand Tour of France's Jura lakes in the Western Alps

Hiking Collection by

Luc Gesell

Tips from the Community

Melvyn Pirolley
September 29, 2025, View of Lac de Chalain

An imposing lake, of a remarkable blue!

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Kristian
September 1, 2025, Lac du Grand Maclu

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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5

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Great view of the valley.

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Yann
July 12, 2025, Lac du Grand Maclu

Tour of the lake possible by trail

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Good shoes recommended; it's a climb

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Beautiful tourist site in the region

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Yann
July 12, 2025, Lac du Petit Maclu

Nice little lake

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Easy path to walk in the shade, very welcome in case of strong heat.

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Frequently Asked Questions

How many mountain bike trails are available around Bonlieu?

There are over 160 mountain bike trails around Bonlieu, offering a wide range of options for different skill levels and preferences. The komoot community has explored these routes over 3000 times.

What kind of terrain can I expect on mountain bike trails in Bonlieu?

Bonlieu, located in the Jura's 'Pays des Lacs' region, offers diverse terrain shaped by ancient glaciers. You can expect a mix of lakeside paths, dense forest trails, and varied elevations, including ascents through areas with cliffs and wooded sections. The region's 'medium mountains' terrain, with elevations from 620 to 1023 meters, ensures engaging rides.

What do other mountain bikers say about the trails in Bonlieu?

The mountain bike routes in Bonlieu are highly rated by the komoot community, with an average score of 4.3 stars from over 650 reviews. Riders often praise the stunning natural beauty, varied terrain, and the scenic routes around the glacial lakes and through the forests.

Are there mountain bike trails suitable for beginners in Bonlieu?

Yes, Bonlieu offers a good selection of trails suitable for beginners. There are 31 easy mountain bike routes available. An accessible option is the Shore of Lac de Narlay – Grand Maclu Lake loop from La Chaux-du-Dombief, which is 10.7 miles (17.2 km) long and provides a scenic ride through the lake district.

What are some challenging mountain bike trails for experienced riders in Bonlieu?

For experienced riders seeking a challenge, Bonlieu has 44 difficult mountain bike trails. A notable difficult route is the Grand Maclu Lake – Shore of Lac de Narlay loop from Bonlieu, which spans 22.1 miles (35.5 km) with significant elevation changes, offering challenging terrain around two major lakes.

Can I find mountain bike routes that pass by waterfalls in Bonlieu?

Absolutely. The Bonlieu region is famous for its waterfalls. You can find routes that take you near the dramatic Hérisson Waterfalls, which feature 31 cascades, or the Fan Waterfall. Lake Bonlieu itself is one of the sources of the Hérisson river.

Are there mountain bike trails that offer scenic views of the lakes?

Yes, many mountain bike trails in Bonlieu provide stunning views of the region's glacial lakes. The area is known as the 'Pays des Lacs' (lakes region). You can ride around Lake Narlay, Petit Maclu Lake, and Lake Ilay, enjoying picturesque backdrops. The Chalain Lake Viewpoint – View of Lac de Chalain loop from Bonlieu offers great vistas of Lac de Chalain.

What natural landmarks can I explore while mountain biking in Bonlieu?

Beyond the numerous lakes and waterfalls, you can explore other natural landmarks. The Three Lakes Viewpoint offers panoramic vistas. The region also features diverse landscapes including undergrowth, wet meadows, and peat bogs, especially around Lake Bonlieu.

Are there family-friendly mountain bike trails in Bonlieu?

While specific 'family-friendly' designations aren't always explicit, the 31 easy routes in Bonlieu are generally suitable for families with some biking experience. These often feature less challenging terrain around the lakes and through forests, providing a pleasant outdoor activity for all.

Is Bonlieu a good destination for mountain biking with dogs?

Many trails in Bonlieu are suitable for mountain biking with dogs, especially those through forested areas and around the lakes. However, it's always recommended to keep dogs on a leash, especially in protected natural areas or when encountering wildlife. Check local signage for any specific restrictions.

What is the best season for mountain biking in Bonlieu?

The best time for mountain biking in Bonlieu is typically from spring to autumn. During these seasons, the weather is generally pleasant, and the landscapes are vibrant. Spring brings fresh greenery, summer offers warm days for lakeside rides, and autumn showcases stunning foliage. Winter can be challenging due to snow and ice.

Are there circular mountain bike routes available in Bonlieu?

Yes, many mountain bike routes in Bonlieu are designed as loops, allowing you to start and end at the same point. Examples include the Lakeside Picnic Area – Depart loop from La Chaux-du-Dombief, a 32.1 miles (51.7 km) route, and the Shore of Lac de Narlay – Grand Maclu Lake loop from Bonlieu.

Where can I find parking near mountain bike trails in Bonlieu?

Parking is generally available at popular starting points for trails, especially near the major lakes and villages like Bonlieu and La Chaux-du-Dombief. Look for designated parking areas near trailheads or key attractions. Specific parking information is often detailed on individual komoot tour pages.

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