4.3
(1548)
14,779
riders
307
rides
Mountain biking around Réserve Naturelle de Sixt-Passy offers diverse landscapes and challenging terrain within Haute-Savoie, France. The region features a "limestone universe" with distinctive fissures, glacial cirques, and numerous waterfalls. Elevation changes from 699 to 2992 meters provide varied routes and views of Alpine summits. The reserve encompasses sub-alpine, alpine, and nival habitats, including forests, cliffs, and grassy areas.
Last updated: October 10, 2026
7
riders
23.5km
03:49
1,670m
1,670m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.6
(38)
325
riders
26.6km
02:03
380m
380m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

4.6
(5)
35
riders
20.5km
01:52
350m
350m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.4
(7)
35
riders
9.68km
00:58
180m
180m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(8)
21
riders
15.2km
01:06
270m
270m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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The views of the ravine from this bridge are impressive.
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Impressive ravine, it's worth reaching the bridge to see it from above.
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Do not throw boulders into the water; boats regularly pass through for this purpose.
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Easily accessible from the road. The most beautiful way to experience the gorge is by whitewater boat.
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Beautiful hike through the gorge.
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Intersection point Carrefour du Frénalay Altitude 951m
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Nant des Joathons intersection point Altitude 940m
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Buvette and restaurant on the outskirts of Sixt-Fer-à-Cheval, offering food and drinks in a beautiful alpine setting. A great place to have a coffee before a long mountain walk or a cold beer afterwards.
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The Réserve Naturelle de Sixt-Passy and its surroundings offer a significant network of trails, with over 290 mountain bike routes available for exploration. This includes a diverse range of paths suitable for various skill levels.
Yes, the region caters to all abilities. You'll find 31 easy routes, 75 moderate routes, and 191 difficult routes, ensuring options for beginners, intermediate riders, and experienced mountain bikers seeking a challenge.
The Réserve Naturelle de Sixt-Passy is renowned for its dramatic 'limestone universe' sculpted by erosion. You can expect to encounter impressive glacial cirques like Fer à Cheval, numerous spectacular waterfalls such as the Vogealle Waterfall, and picturesque natural lakes like Lake Anterne. The trails also offer panoramic views of Alpine summits, with the Mont Blanc massif often visible.
While many trails in the reserve are challenging, there are easier options available. For a moderate experience that could be suitable for families with some biking experience, consider the Carrefour du Frénalay – Bridge Over the Giffre loop from Sixt-Fer-à-Cheval. This route is 15.1 km long with less elevation gain compared to more difficult trails.
The Réserve Naturelle de Sixt-Passy is a protected area. While some trails outside the core reserve might permit dogs, it's crucial to check specific regulations for each trail and always keep dogs on a leash to protect wildlife and ensure their safety, especially given the presence of ibex, chamois, and other animals.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 1,200 reviews. Mountain bikers often praise the diverse landscapes, the challenging terrain, and the breathtaking panoramic views of the Alpine summits. The unique limestone formations and numerous waterfalls are frequently highlighted as memorable features.
Yes, there are several circular routes. A notable one is the Pormenaz Loop Trail, which is a difficult 22.1 km route offering significant elevation changes and stunning scenery around Lac de Pormenaz.
The best time to visit for mountain biking is typically from late spring to early autumn (May to October), when the snow has melted from higher elevations and the weather is generally more stable. Always check local conditions and forecasts, as mountain weather can change rapidly.
Absolutely. The region is well-known for its challenging terrain. For experienced riders, the Tines Gorge – Tines Gorge loop from P2 is a difficult 26.5 km path that winds through varied terrain, including the notable Tines Gorge. Another demanding option is the "Gateway" to Mont Blanc – Chamonix loop from La Cote, a 97.2 km trail leading through high Alpine landscapes.
The reserve's diverse habitats support a wide array of wildlife. You might spot ibex, chamois, marmots, deer, and mountain hares. Birdwatchers could also see bearded vultures, rock ptarmigans, and royal eagles. Maintaining a respectful distance and staying on marked trails helps protect these species.
Yes, for multi-day adventures, several mountain refuges are available within the reserve and its surroundings. Notable refuges include Refuge de Sales, Refuge de Platé, and Refuge d'Anterne Alfred Wills, which offer accommodation and allow visitors to extend their exploration of the wild landscapes.
Beyond the natural features, you can reach several impressive viewpoints and landmarks. The Sixt Fer à Cheval circus is a stunning natural amphitheater. Trails also lead to various summits like Boret Chalet and Mont Buet, offering expansive views of the Alpine landscape.


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