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Routes
Running Trails
France
Bourgogne-Franche-Comté
Lons-Le-Saunier

Le Frasnois

The best running trails around Le Frasnois

4.7

(59)

1,416

runners

19

runs

Jogging around Le Frasnois offers diverse running experiences through the Jura Mountains. The region is characterized by a series of waterfalls, including the Hérisson Waterfalls, and several picturesque lakes such as Lac d'Ilay and Lac de Narlay. Runners can explore varied terrain, from mid-mountain paths to unique peat bogs and deep gorges.

Best jogging routes around Le Frasnois

  • The most popular jogging route is Petit Maclu Lake – Lake Ilay loop from Le Frasnois, a 7.5 miles (12.0 km) trail that takes 1 hour 22 minutes to complete, offering views of two of the region's four lakes.
  • Another top favourite among local runners is Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois, a difficult 15.7 miles (25.4 km) path. This route provides expansive panoramic views across the lake district and surrounding hills.
  • Local runners also love the Around Lake Narlay – Lake Narlay Loop loop from Le Frasnois, a 2.4 miles (3.9 km) trail leading through the serene lakeside environment, often completed in about 25 minutes.
  • Jogging around Le Frasnois is defined by its waterfalls, serene lakes, and mid-mountain terrain. The network offers options for different ability levels, from easy lakeside paths to more challenging routes with significant elevation gain.
  • The routes in Le Frasnois are highly rated by the komoot community with an average score of 4.7 stars from over 60 reviews. More than 1700 runners have used komoot to explore Le Frasnois's varied terrain.

Last updated: May 9, 2026

5.0

(1)

103

runners

#1.

Petit Maclu Lake – Grand Maclu Lake loop from Le Frasnois

12.0km

01:22

160m

160m

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

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Hard

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Le Frasnois

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

Hiking around Le Frasnois

Road Cycling Routes around Le Frasnois

MTB Trails around Le Frasnois

Cycling around Le Frasnois

Gravel biking around Le Frasnois

Mountain Hikes around Le Frasnois

Other adventures around Le Frasnois

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

Hiking Collection by

Luc Gesell

Tips from the Community

Thierry Martin-Braud
March 8, 2026, Lac de Narlay

🌿 Lake Narlay: Essential Information Location: Frasnois municipality, in the Lakes Region (Jura). Altitude: 748 m. Surface area: 41 ha. Depth: Up to 40 m, making it the deepest lake in the Jura. Origin: Glacial lake, likely formed by a rockfall. Environment: Meadows, forests, peat bogs, Natura 2000 and Ramsar sites. (Copilot)

Translated by Google

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Kristian
September 1, 2025, Petit Lac Maclu

The smaller of the two Maclu Lakes, with an easy hiking trail along its shore.

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5

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Kristian
September 1, 2025, Lac du Grand Maclu

Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.

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5

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Kristian
September 1, 2025, Coin du grand Maclu

Water access with beautiful views of Lac Le Grand Maclu.

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Beautiful view through a clearing onto Lac Le Grand Maclu.

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5

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View of Lac du Narlay from the edge of the forest.

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Beautiful view of Lac de Narlay from the hiking trail.

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6

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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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6

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Frequently Asked Questions

How many running routes are available around Le Frasnois?

Le Frasnois offers a wide selection of running routes, with over 20 trails available for you to explore. These routes cater to various fitness levels, from easy lakeside paths to more challenging mid-mountain terrain.

What kind of terrain can I expect on the running trails in Le Frasnois?

The running trails in Le Frasnois are incredibly diverse. You'll find everything from paths alongside serene lakes like Lac d'Ilay and Lac de Narlay, to trails that wind through the dramatic Hérisson Waterfalls. The region also features mid-mountain terrain, deep gorges, and even unique peat bogs, offering varied gradients and technical sections.

Are there running routes suitable for beginners in Le Frasnois?

Yes, Le Frasnois has routes suitable for beginners. There is at least one easy route, such as the Around Lake Narlay – Lake Narlay Loop loop from Le Frasnois, which is a shorter trail leading through a serene lakeside environment, perfect for a gentle jog.

What do other runners say about the trails in Le Frasnois?

The running routes in Le Frasnois are highly regarded by the komoot community, boasting an average rating of 4.7 stars from over 60 reviews. Runners frequently praise the stunning natural beauty, the variety of terrain, and the well-marked paths that make exploring the Jura Mountains a fantastic experience.

Can I find running routes that feature the famous Hérisson Waterfalls?

Absolutely! The Hérisson Waterfalls are a major highlight of the region. While specific routes are not listed here, you can find paths that run alongside this spectacular series of seven waterfalls, including the impressive Le Grand Saut and Saut Girard Waterfall, offering breathtaking views during your run.

Are there any scenic running routes around the lakes of Le Frasnois?

Yes, the Four Lakes area is perfect for scenic runs. You can enjoy routes around the turquoise waters of Lac d'Ilay, Lac du Petit Maclu, Lac du Grand Maclu, and Lac de Narlay. A great option is the Petit Maclu Lake – Lake Ilay loop from Le Frasnois, which offers beautiful views of two of these picturesque lakes.

Which running trails offer panoramic views of the Jura region?

For breathtaking panoramic views, consider routes that ascend to higher points. The Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois is a challenging route that provides expansive vistas across the lake district and surrounding hills. You might also find routes near Pic de l'Aigle for stunning regional views.

Are there any unique natural areas to explore while running in Le Frasnois?

Beyond the lakes and waterfalls, Le Frasnois offers unique natural experiences. You can explore the deep, narrow Langouette Gorges, which are equipped with footbridges for safe passage. Additionally, the nearby Peat Bogs of Frasne present a rare ecosystem with landscapes reminiscent of the tundra, accessible via wooden walkways.

Are there circular running routes available in Le Frasnois?

Many of the running routes in Le Frasnois are designed as loops, allowing you to start and finish in the same location. Examples include the Petit Maclu Lake – Lake Ilay loop from Le Frasnois and the Around Lake Narlay – Lake Narlay Loop loop from Le Frasnois, providing convenient options for your run.

Are the running trails in Le Frasnois suitable for families?

Le Frasnois offers a range of trails, some of which are suitable for families looking for a gentle jog or walk. Easier, flatter routes around the lakes, such as the Lake Ilay – Petit Maclu Lake loop from Le Frasnois, are often a good choice for families, though always check the route details for specific difficulty and terrain.

Can I bring my dog on the running routes in Le Frasnois?

Many trails in the Jura Mountains are dog-friendly, but it's always best to check specific route regulations or local signage. Generally, well-behaved dogs on a leash are welcome on natural paths. Be mindful of wildlife and other trail users, especially in popular areas like the Hérisson Waterfalls or around the lakes.

What is the best season for running in Le Frasnois?

The Jura Mountains are beautiful year-round, but late spring through early autumn (May to October) generally offers the most pleasant conditions for running in Le Frasnois. During these months, the weather is milder, and the natural landscapes are at their most vibrant, with lush greenery and flowing waterfalls. Winter running is possible but may require appropriate gear for snow and ice.

Are there any longer distance running trails for experienced runners?

Yes, experienced runners will find challenging options in Le Frasnois. For example, the Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois is a difficult 15.7-mile (25.4 km) path with significant elevation gain, perfect for those seeking a longer and more demanding run.

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