5.0
(2)
9
hikers
1
hike
Mountaineering routes around Vertamboz are set within the Jura Mountains of France, characterized by diverse natural landscapes. The region features spectacular limestone cliffs, remnants from the Jurassic era, and a network of rivers and lakes. Notable natural attractions include the Hérisson Waterfalls, where the Hérisson river descends over 7 kilometers, and various lakes such as Lac du Val and Lac de Chalain. The terrain offers a mix of forested paths, rocky ascents, and scenic viewpoints.
Last updated: May 25, 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
Currently, there are 3 highly-rated mountaineering routes around Vertamboz featured in this guide. These routes offer diverse experiences within the Jura Mountains.
While many routes in the region are moderate to difficult, the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief is classified as moderate. It's a great option for those looking for a less strenuous but still rewarding experience exploring the Hérisson Waterfalls.
For experienced mountaineers seeking a challenge, routes like the Le Grand Saut – Saut de la Forge loop from Bonlieu offer difficult terrain. Another challenging option is the Le Grand Saut – Saut de la Forge loop from La Chaux-du-Dombief, both providing a rigorous experience through the dramatic landscape of the Hérisson Waterfalls.
Yes, the Hérisson Waterfalls are a central feature of mountaineering in Vertamboz. Routes such as the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief are specifically designed to showcase these impressive cascades, including highlights like Le Grand Saut and Fan Waterfall.
Beyond the spectacular Hérisson Waterfalls, the region is rich in natural beauty. You'll encounter numerous lakes within a 15-kilometer radius, such as Lake Ilay and Lake Bonlieu, which offer serene views. The Jura Mountains themselves provide stunning limestone cliffs and dense woodlands, perfect for scenic exploration.
The duration of routes varies depending on their difficulty and length. For instance, the moderate Fan Waterfall – Le Grand Saut loop is approximately 7.5 miles (12.0 km) and takes about 3 hours 42 minutes. More challenging routes, like the Le Grand Saut – Saut de la Forge loop (6.1 miles / 9.9 km), can be completed in around 3 hours 7 minutes, depending on your pace and breaks.
The Jura Mountains offer year-round outdoor activities. For mountaineering, late spring through early autumn (May to October) generally provides the most favorable conditions with milder weather and clear trails. However, the region also supports winter sports like snowshoeing and ski trekking, so conditions vary significantly by season.
Yes, several routes 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 Bonlieu, which are popular choices for exploring the Hérisson Waterfalls.
Given the diverse terrain of the Jura Mountains, it's advisable to bring appropriate gear. This includes sturdy hiking boots, layers of clothing suitable for changing weather, sufficient water and snacks, a map or GPS device (like komoot), and sun protection. For more challenging routes, consider trekking poles.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the dramatic landscapes, particularly the impressive Hérisson Waterfalls, the diverse terrain ranging from forested paths to rocky ascents, and the well-maintained trails that offer options for various ability levels.
Absolutely. The Jura Mountains are a hub for various outdoor activities. You can find opportunities for rock climbing on the limestone cliffs, thrilling via ferrata routes, canyoning, mountain biking, and extensive hiking networks like sections of the Grande Traversée du Jura (GTJ).
The region is dotted with numerous lakes, such as Lac du Val, Lac de Chalain, and Lac de Bonlieu, which offer opportunities for refreshing dips. While specific wild swimming spots along mountaineering routes aren't always marked, the presence of these lakes suggests possibilities for cooling off after a hike, especially during warmer months.


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