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.
Last updated: June 22, 2026
5
hikers
12.0km
03:42
350m
350m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
2
hikers
8.37km
02:36
210m
210m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0
(1)
2
hikers
9.89km
03:07
270m
270m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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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!
0
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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.
6
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Waterfall at the ruins of a former mill.
7
0
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.
7
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Beautiful view near a crossroads of a small waterfall with cascades.
7
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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.
7
0
View of the Cascade de L'Eventail. A small, rocky path leads directly to the waterfall.
7
0
Beautiful view of the central waterfall Cascade Du Hérisson with several cascades.
7
0
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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