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Routes
Mountain Hikes
France
Bourgogne-Franche-Comté
Saint-Claude

Bonlieu

The best mountain hikes around Bonlieu

5.0

(2)

9

hikers

3

hikes

Mountaineering around Bonlieu offers routes through the rugged topography of the Jura Mountains, characterized by limestone cliffs, dense forests, and glacial landscapes. The region features varied terrain shaped by ancient glaciers, including dramatic rock formations and numerous lakes. These natural features provide a compelling setting for challenging outdoor pursuits.

Best mountaineering routes around Bonlieu

  • The most popular mountaineering route is Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief, a 7.5 miles (12.0 km) trail that takes 3…

Last updated: May 9, 2026

5

hikers

#1.

Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief

12.0km

03:42

350m

350m

Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

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Popular around Bonlieu

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

Hiking around Bonlieu

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Road Cycling Routes around Bonlieu

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Other adventures around Bonlieu

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

Hiking Collection by

Luc Gesell

Tips from the Community

Anne Dassonville
November 11, 2025, Cascades du Hérisson

A superb hike with beautiful views of the seven waterfalls. It's quite crowded, so for a quieter return, you can take the GR 559 forest path back, which doesn't follow the water but is also magnificent in autumn!

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A waterfall with a larger pool and a smaller cascade in a beautiful setting. In front of it is a small stone lynx statue.

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Waterfall at the ruins of a former mill.

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Kristian
August 31, 2025, Saut de la Forge

Larger waterfall Cascade Saut De La Forge with grotto and views directly onto the waterfall, as well as from above onto the water cascading down over smaller cascades.

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Kristian
August 31, 2025, Château Garnier

Beautiful view near a crossroads of a small waterfall with cascades.

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Kristian
August 31, 2025, Le Gour Bleu

A beautifully situated small waterfall with a small pool. From the rocks in front of the waterfall, you can enjoy beautiful views of the idyllic natural setting.

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View of the Cascade de L'Eventail. A small, rocky path leads directly to the waterfall.

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Beautiful view of the central waterfall Cascade Du Hérisson with several cascades.

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Frequently Asked Questions

What kind of terrain can I expect on mountaineering routes around Bonlieu?

Mountaineering in Bonlieu takes you through the rugged topography of the Jura Mountains. You'll encounter varied terrain shaped by ancient glaciers, including dramatic limestone cliffs, dense forests, and numerous glacial lakes. The routes often feature challenging ascents and descents, characteristic of the region's unique geology.

What are the difficulty levels of mountaineering routes in Bonlieu?

The routes around Bonlieu offer options for different ability levels. While there are no easy routes listed, you can find moderate ascents, such as the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief, as well as more challenging routes like the Le Grand Saut – Saut de la Forge loop from Bonlieu, which is rated as difficult.

Are there any notable natural features or landmarks to see along the mountaineering routes?

Yes, the routes in Bonlieu are rich with natural beauty. You can explore stunning waterfalls like Le Grand Saut, Fan Waterfall, and Saut Girard Waterfall. The area also boasts impressive viewpoints, such as Pic de l'Aigle and the Three Lakes Viewpoint, offering panoramic vistas of the glacial landscape.

What is the best time of year for mountaineering in Bonlieu?

The Jura Mountains, where Bonlieu is located, offer varied conditions throughout the year. While specific mountaineering routes might require snowshoes, skis, crampons, or ice axes in winter, the warmer months from late spring to early autumn generally provide the most accessible conditions for hiking and climbing on the limestone cliffs. Always check local weather and trail conditions before heading out.

Are there circular mountaineering routes available in Bonlieu?

Yes, several mountaineering routes in Bonlieu are designed as loops. For example, the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief and the Le Grand Saut – Saut de la Forge loop from Bonlieu are popular circular options that allow you to start and end at the same point.

Are dogs allowed on mountaineering routes in Bonlieu?

Bonlieu is a highly protected natural site, and while many trails in the broader Jura region are dog-friendly, specific rules may apply, especially in sensitive areas or nature reserves. It's always best to check local signage or official park regulations regarding dogs, particularly around Bonlieu Lake, which is a protected natural lake.

Where can I find parking for mountaineering routes in Bonlieu?

Parking is generally available near popular trailheads. For routes like the Fan Waterfall – Le Grand Saut loop, you might find parking options in villages like La Chaux-du-Dombief. For routes starting directly from Bonlieu, look for designated parking areas within the village or near key attractions. It's advisable to arrive early, especially during peak season.

Is public transport available to reach mountaineering trailheads in Bonlieu?

While Bonlieu is nestled in a natural area, public transport options might be limited compared to larger towns. It's recommended to check local bus schedules or regional transport services for connections to Bonlieu or nearby villages that serve as starting points for routes. Driving often offers the most flexibility for accessing various trailheads.

What do other mountaineers enjoy the most about mountaineering in Bonlieu?

The mountaineering routes in Bonlieu are highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the dramatic glacial landscapes, the pristine natural environment, and the diverse climbing opportunities offered by the limestone cliffs. The sense of wilderness and solitude is also frequently highlighted.

Are there any family-friendly mountaineering routes in Bonlieu?

While the listed mountaineering routes include moderate and difficult options, the broader region around Bonlieu offers a range of outdoor activities. For families, it's recommended to look for shorter, less strenuous hikes or walks around the lakes, which provide beautiful scenery without the technical demands of full mountaineering. Always assess the difficulty and duration of a route to ensure it's suitable for all family members.

What should I know about the Bonlieu Lake area when mountaineering?

Bonlieu Lake is a highly protected natural lake, offering a wilderness experience. While the surrounding terrain provides excellent opportunities for walking and hiking, swimming is generally prohibited in the lake, and motorboats are restricted to anglers without engines. The area is known for its dramatic cliffs and dense forests, which contribute to the challenging and scenic nature of the routes.

Are there opportunities for rock climbing in the Bonlieu area?

Yes, the region's limestone cliffs provide opportunities for rock climbing. While specific mountaineering routes might involve scrambling or technical sections, the broader Jura Mountains are known for numerous limestone climbing sites. Climbing and hang-gliding are explicitly permitted during certain periods around Bonlieu Lake, indicating suitable rock formations for such activities.

Most popular routes around Bonlieu

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