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Mountain Hikes
France
Bourgogne-Franche-Comté
Lons-Le-Saunier

Fontenu

The best mountain hikes around Fontenu

5.0

(2)

9

hikers

3

hikes

Mountaineering routes around Fontenu are set within the dramatic landscapes of the Jura Mountains, characterized by distinctive limestone geology, extensive forests, and numerous lakes. The region features impressive waterfalls and deep gorges, providing varied terrain for exploration. This area serves as a gateway to challenging mountain hikes and other mountain-oriented activities.

Best mountaineering routes around Fontenu

  • 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…

Last updated: June 22, 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 Fontenu

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

Hiking around Fontenu

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Road Cycling Routes around Fontenu

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Other adventures around Fontenu

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

How many mountaineering routes are available around Fontenu?

There are over 3 mountaineering routes around Fontenu, offering a variety of experiences within the Jura Mountains. These routes are highly rated by the komoot community, with an average score of 5.0 stars.

Are there mountaineering routes that feature waterfalls?

Yes, the region around Fontenu is renowned for its impressive waterfalls. Routes like the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief specifically highlight these natural wonders. You can also explore highlights such as Le Grand Saut and Fan Waterfall directly.

Can I find challenging mountaineering routes in Fontenu?

Absolutely. Fontenu offers several challenging routes for experienced mountaineers. For instance, the Le Grand Saut – Saut de la Forge loop from Bonlieu is a difficult 5.2-mile path that takes you through rugged gorges and past waterfalls, showcasing the Jura's demanding terrain.

Are there circular mountaineering routes available?

Yes, many of the mountaineering routes around Fontenu are designed as loops, allowing you to start and end at the same point. Examples include the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief and the Le Grand Saut – Saut de la Forge loop from La Chaux-du-Dombief.

What is the typical duration for mountaineering routes in Fontenu?

The duration of mountaineering routes in Fontenu varies depending on the trail's length and difficulty. For example, the moderate Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief typically takes around 3 hours 42 minutes, while the difficult Le Grand Saut – Saut de la Forge loop from La Chaux-du-Dombief can be completed in about 3 hours 7 minutes.

What kind of natural features can I expect to see on these routes?

Mountaineering around Fontenu is defined by the dramatic landscapes of the Jura Mountains. You'll encounter distinctive limestone formations, deep gorges, extensive forested areas, and stunning lakes. The region's geology, dating back to the Jurassic era, creates a unique and picturesque environment for exploration.

Are there any lakes to visit near the mountaineering trails?

The Fontenu area is surrounded by several beautiful lakes, many of which are easily accessible from mountaineering routes. Notable lakes include Petit Maclu Lake, Lake Narlay, and Lake Ilay. The Three Lakes Viewpoint offers a panoramic perspective of the area's aquatic beauty.

What do other mountaineers enjoy most about Fontenu?

The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the impressive waterfalls, the rugged beauty of the gorges, and the diverse terrain that offers both moderate and challenging experiences within the Jura Mountains.

Is Fontenu suitable for beginners or families looking for a moderate mountaineering experience?

While many routes are challenging, there are moderate options available. The Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief is a moderate 7.5-mile trail that explores impressive waterfalls and scenic loops, making it a good choice for those seeking a less strenuous but still rewarding experience.

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

The Jura Mountains around Fontenu are beautiful throughout the warmer months, typically from spring to autumn, when trails are clear and the weather is most favorable for hiking. Spring brings lush greenery and full waterfalls, while autumn offers stunning foliage. Always check local weather conditions before heading out.

Are there opportunities for rock climbing or via ferrata near Fontenu?

While Fontenu itself is a base for mountain hikes, the broader Jura Mountains region is known for its limestone geology, offering excellent opportunities for rock climbing and via ferrata. These activities provide a more technical mountain experience for those seeking an adrenaline-filled adventure.

Can I bring my dog on the mountaineering routes?

Many trails in the Jura Mountains are dog-friendly, but it's always recommended to check specific route regulations or local park rules before you go. Ensure your dog is well-behaved, kept on a leash where required, and that you carry out all waste to preserve the natural environment.

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