4.3
(1545)
12,353
riders
246
rides
Mountain biking around Les Clefs offers a diverse alpine landscape characterized by significant elevation changes, forested slopes, and river valleys. The region features numerous mountain passes and peaks, providing challenging climbs and scenic descents. Riders can expect a mix of technical singletrack and wider paths through varied terrain, with routes often following natural features like the Fier River.
Last updated: June 20, 2026
4.3
(3)
16
riders
25.4km
03:27
1,330m
1,330m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
2
riders
8.06km
01:20
440m
450m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.1
(9)
97
riders
26.0km
02:44
970m
980m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.5
(12)
58
riders
29.1km
02:08
320m
310m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(14)
61
riders
21.4km
02:29
890m
890m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Nowadays more like a pipeline, but sometimes it still babbles
1
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Church worth seeing and small center.
1
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Nice little center, church, fountain and restaurants
1
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Small church worth seeing, extra climb
1
0
Beautiful, well-marked and safe ascent 😃 for ski touring. Several routes of varying difficulty levels 🤗 Beautiful view of the village of La Clusaz and the Aravis mountain range 👌🏻
0
0
We visited the cheese factory here and also explored the town center with its church, fountain, and arcades. We noticed the stone bridge not far from the church.
1
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Les Clefs offers a wide selection of mountain biking opportunities, with over 250 routes available. These trails cater to various skill levels, from moderate to difficult, ensuring there's something for every rider.
Mountain biking around Les Clefs features a diverse alpine landscape with significant elevation changes, forested slopes, and river valleys. You'll encounter a mix of technical singletrack and wider paths, often following natural features like the Fier River. The region is characterized by numerous mountain passes and peaks, providing challenging climbs and scenic descents.
While many trails in Les Clefs are rated moderate to difficult, there are 49 routes specifically categorized as easy. These trails offer a gentler introduction to mountain biking in the alpine environment, allowing beginners to enjoy the scenery without overly technical challenges.
Yes, many routes in Les Clefs are designed as loops. For example, the Pointe de la Rochette loop offers a challenging ride with notable climbs and descents. Another option is the Fier River banks – Thônes Town Center loop from Les Clefs, a moderate 29.3 km route.
The region around Les Clefs offers several interesting sights. You can ride near the beautiful Lake Annecy and its East Shore, or discover the impressive Angon Waterfall. Mountain passes like Col de la Forclaz also offer stunning views.
Yes, many trails offer scenic viewpoints. The View on Merdassier – Col de la Croix-Fry loop from Manigod is known for leading through mountain passes and scenic vistas. You can also find specific viewpoints like the Bench with a view of Lake Annecy.
The prime season for mountain biking in the French Alps, including Les Clefs, typically runs from late spring through early autumn (May to October). During these months, the weather is generally favorable, and trails are clear of snow. Always check local conditions before heading out, especially in early spring or late autumn.
The mountain bike routes in Les Clefs are highly rated by the komoot community, with an average score of 4.3 stars from over 1400 reviews. Riders often praise the varied terrain, the challenging climbs, and the rewarding descents through the alpine landscape.
Yes, for a longer moderate ride, consider the Col du Marais (843 m) – Plan Bois Pass loop from Col du Marais. This 21.2 km trail takes approximately 2 hours 28 minutes to complete and offers a balanced challenge through mountain passes.
While specific parking details for every trailhead are not always listed, many popular mountain biking areas in the French Alps, including those around Les Clefs, typically offer designated parking facilities near trail access points. It's advisable to check the starting point of your chosen route on komoot for more precise parking information.
Yes, the region features several historical sites. You can find routes that pass near castles such as Château de Duingt or offer views of others like the View of Menthon-Saint-Bernard Castle. These can add a cultural dimension to your ride.


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