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Routes
MTB trails
France
Auvergne Rhône Alpes
Nantua

Groissiat

The best MTB trails around Groissiat

4.3

(124)

685

riders

106

rides

Mountain biking around Groissiat offers access to the diverse and challenging terrains of the Jura massif in the Haut-Bugey region of France. The area features varied topography with accessible relief, including unexpected cliffs and peaks, providing dynamic environments for mountain biking. Routes often wind through significant forested areas, such as the Meyriat forest, and along valleys, with several beautiful lakes like Nantua, Genin, and Sylans dotting the landscape. This combination creates varied route profiles, from gentle forest paths to more…

Last updated: May 15, 2026

4.5

(8)

50

riders

#1.

Lake Nantua – Lac de Nantua loop from Oyonnax

39.5km

02:13

200m

200m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

4.2

(5)

13

riders

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Tips from the Community

Nicolas Vergnaud
May 11, 2026, Lac de Nantua

The Lac de Nantua is a superb body of water of 141 hectares. In the heart of the Jura, it offers an ideal setting for practicing a multitude of sports. It is even possible to swim in its waters.

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You think of a castle but only stones - but still a fantastic view

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You think castle but only stones - But fantastic view

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Arian Hoti
September 8, 2025, Lac Genin

Pretty little lake in the heart of the small Jura mountains

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Lucie
August 27, 2025, Lac de Nantua

Beautiful, simple, easy walk; lots of traffic noise on the "road" section, a bit of a shame, but the color of the water is magical

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There is a monument there commemorating the local resistance fighters, who used this meadow to parachute in equipment for the British secret services during the Second World War.

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Yann
April 5, 2025, Au fil de l’eau

nice trail

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From the ruins of Oliferne Castle, perched on a rocky spur in the Jura Mountains, you can enjoy breathtaking views of the Ain Valley and beyond. Once a medieval fortress, its ruined walls and towers now blend into the rugged landscape. Its strategic position allowed it to control access to the region, making it a must-see when hiking the Pic d'Oliferne.

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Frequently Asked Questions

How many mountain bike trails are available around Groissiat?

There are over 100 mountain bike trails around Groissiat listed on komoot, offering a wide range of options for different skill levels and preferences.

What kind of terrain can I expect on mountain bike trails around Groissiat?

The trails around Groissiat traverse the diverse mountainous terrain of the Jura massif. You can expect varied topography, including accessible relief with unexpected cliffs and peaks, significant forested areas like the Meyriat forest, and routes winding through valleys. This creates a dynamic environment with a mix of inclines, descents, and varied surfaces.

Are there mountain bike trails suitable for beginners or families in Groissiat?

Yes, Groissiat offers trails suitable for beginners and families. While the region is known for its varied terrain, there are 12 easy routes available. These often include gentle forest paths that are less technical, providing a pleasant experience for those new to mountain biking or riding with family.

Are there challenging mountain bike trails for experienced riders in Groissiat?

Absolutely. For experienced riders seeking a challenge, there are 28 difficult mountain bike routes around Groissiat. These trails often feature more technical sections, significant elevation changes, and demanding terrain, typical of the Jura massif's more rugged areas. An example of a challenging route is As the water flows – Lac Genin loop from Oyonnax, which covers over 51 km with substantial elevation gain.

Can I find mountain bike trails that offer scenic views or pass by natural landmarks?

Many mountain bike trails around Groissiat offer superb landscapes and panoramic views. Routes often lead past beautiful lakes such as Lake Nantua and Lake Genin. You can also find viewpoints like the View over Lake Nantua. The Lake Nantua – Lake Nantua loop from Oyonnax is a popular choice for scenic views around the lake.

Are there any trails that pass by waterfalls?

Yes, the region around Groissiat features natural attractions including waterfalls. You can find trails that lead near the Cascade de la Pisse Vache, offering a refreshing stop during your ride. The local Cascade de Groissiat is also easily accessible and a perfect spot for relaxation.

Are there any circular mountain bike routes around Groissiat?

Yes, many mountain bike routes around Groissiat are designed as loops, allowing you to start and finish at the same point. Examples include the popular Lake Nantua – Lake Nantua loop from Oyonnax and the more challenging As the water flows – Lac Genin loop from Oyonnax.

What do other mountain bikers say about the trails in Groissiat?

The mountain bike trails around Groissiat are highly rated by the komoot community, with an average score of 4.3 stars from over 100 reviews. More than 700 mountain bikers have used komoot to explore the varied terrain, often praising the superb landscapes and the immersion in the mid-mountain environment.

Is there a good time of year to go mountain biking in Groissiat?

The Haut-Bugey region, where Groissiat is located, offers a pleasant environment for mountain biking across multiple seasons. While specific seasonal considerations can vary, the diverse terrain and extensive trail network mean you can find suitable routes for much of the year. Spring and autumn often provide comfortable temperatures and vibrant scenery, while summer offers longer daylight hours.

Are there specific mountain biking facilities or stations in the region?

Yes, the Jura massif, which encompasses Groissiat, features a 'Trail Haut Bugey Station'. This indicates a well-developed area for outdoor activities, including mountain biking, with trails tailored to various difficulties. The Ain department, where Groissiat is located, also boasts an impressive 1500 km of marked trails and over 100 routes, alongside specialized enduro tracks.

Where can I find more information about mountain biking in the Ain department?

For additional information about mountain biking opportunities and infrastructure in the broader Ain department, you can visit the official tourism website: ain-tourisme.com.

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