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France
Bourgogne-Franche-Comté
Saint-Claude

Lac de Bonlieu

The best walks and hikes around Lac de Bonlieu

4.5

(3311)

26,501

hikers

186

hikes

Hiking around Lac de Bonlieu offers diverse natural features in the Jura Mountains, situated at an altitude of 791 meters. The region is characterized by a glacial lake surrounded by cliffs, dense forests, meadows, and peat bogs. This varied topography, including its connection to the Hérisson River and its famous cascades, provides a rich environment for outdoor activities.

Best hiking trails around Lac de Bonlieu

  • The most popular hiking route is Lake Bonlieu – Lake Bonlieu, France loop from Lac…

Last updated: June 25, 2026

4.3

(3)

13

hikers

#1.

Lake Bonlieu, France – The Hérisson Waterfalls loop from Lac de Bonlieu

8.38km

02:18

130m

130m

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

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Hard

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate
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Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Hard

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

Hard
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Popular around Lac de Bonlieu

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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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Self-service refreshment stop on the way to the waterfalls.

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Small viewing platform with a view of the Le Grand Saut waterfall.

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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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Path along the Le Hérisson stream with several smaller cascades.

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Frequently Asked Questions

How many hiking trails are available around Lac de Bonlieu?

There are nearly 200 hiking trails around Lac de Bonlieu. These routes offer diverse experiences, from easy lakeside strolls to more challenging paths with significant elevation gain, exploring the glacial lake, dense forests, and peat bogs of the Jura Mountains.

Are there any easy or family-friendly hiking options around Lac de Bonlieu?

Yes, Lac de Bonlieu offers several easy and family-friendly hiking options. A popular choice is the Lake Bonlieu – Lake Bonlieu, France loop from Lac de Bonlieu, an easy 3.3 km trail that circles the lake and takes about 50 minutes to complete. This route allows hikers to enjoy the natural beauty at a relaxed pace.

What are the best circular walks around Lac de Bonlieu?

For circular walks, the Lake Bonlieu – Lac de Bonlieu loop from Lac de Bonlieu is a great option. This easy 6.4 km path offers expansive views of the lake and its surrounding woodlands. Another popular choice is the Lac de Bonlieu – Lake Bonlieu loop from Bonlieu, a moderate 10.7 km trail through varied terrain.

Can I bring my dog on the hiking trails around Lac de Bonlieu?

While the region is generally welcoming to dogs, specific regulations may apply to protected areas or certain trails. It's always recommended to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all hikers. Check local signage for any restrictions.

Are there any waterfalls to see near Lac de Bonlieu?

Yes, Lac de Bonlieu is connected to the famous Cascades du Hérisson. The Hérisson River originates from Lac de Bonlieu, and its cascades are a significant natural attraction nearby, featuring 31 waterfalls and 7 major cascades. You can explore this area via routes like the Saut Girard Waterfall – The Hérisson Waterfalls loop from Bonlieu.

What are some notable viewpoints or attractions to explore around Lac de Bonlieu?

Beyond the lake itself, you can visit the Belvédère de la Ronde for magnificent panoramic views of Lac de Bonlieu, the surrounding forest, Pic de l'Aigle, and even Lakes Ilay and Maclu. The area is also part of the 'route des lacs jurassiens' and is close to the valley of the four lakes, offering further exploration opportunities.

What is the best time of year to hike around Lac de Bonlieu?

The area around Lac de Bonlieu offers seasonal beauty throughout the year. Spring brings lush greenery, summer provides refreshing shade, and autumn transforms the forests with vibrant ochre and orange hues. Winter offers a bare or snow-covered landscape. Each season provides a unique hiking experience, though conditions can vary, so check local weather before your visit.

Is there parking available for hikers at Lac de Bonlieu?

Yes, parking facilities are available in the vicinity of Lac de Bonlieu, particularly near popular trailheads and access points to the lake. Specific parking locations can often be found on detailed maps or by checking local tourist information.

What do other hikers enjoy most about hiking in Lac de Bonlieu?

The hiking routes around Lac de Bonlieu are highly rated by the komoot community, with an average score of 4.5 stars from over 3,000 reviews. Hikers often praise the serene and wild environment, the diverse landscapes of glacial origin, and the well-maintained trails that offer immersive natural beauty.

Are there any public transport options to reach Lac de Bonlieu for hiking?

While Lac de Bonlieu is nestled in a natural setting, public transport options might be limited. It is advisable to check local bus schedules or regional transport services that connect to nearby towns like Bonlieu or larger hubs in the Jura region. Planning your journey in advance is recommended.

Can I swim in Lac de Bonlieu?

No, swimming is strictly prohibited in Lac de Bonlieu for ecological reasons. The lake is a protected natural environment, and these regulations help preserve its unique ecosystem and diverse flora.

What kind of natural features can I expect to see while hiking here?

Hiking around Lac de Bonlieu offers a rich variety of natural features. You'll encounter a glacial lake surrounded by dramatic cliffs, dense forests, open meadows, and unique peat bogs. The area is also known for its diverse lacustrine flora, including pondweeds, water lilies, sedges, and reeds, particularly along the western and southern shores.

Most popular routes around Lac de Bonlieu

Waterfall hikes around Lac de Bonlieu

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