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MTB trails
France
Auvergne Rhône Alpes
Grenoble

Lac des Quirlies

The best MTB trails around Lac des Quirlies

4.6

(83)

1,561

riders

17

rides

Mountain biking around Lac des Quirlies is not permitted in the immediate vicinity of the lake itself, as it is a protected Natura 2000 site within the Grandes Rousses massif of the French Alps. However, the broader Oisans region and Écrins National Park, where the lake is situated, offer extensive mountain bike trails. This area features diverse landscapes, from high-altitude mineral terrain and glacial valleys to alpine forests and green mountain pastures, providing varied riding experiences.

Best mountain bike trails…

Last updated: July 1, 2026

4.9

(8)

221

riders

#1.

The Mégavalanche

22.1km

02:40

90m

2,630m

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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Hard

4.9

(8)

212

riders

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.

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

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

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Popular around Lac des Quirlies

Hiking around Lac des Quirlies

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Cycling around Lac des Quirlies

Running Trails around Lac des Quirlies

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Tips from the Community

Julien Harté
May 5, 2026, Section haute de la Mégavalanche

Shortly after the start of the descent at Pic Blanc, this beautiful section begins at the level of the Sarrenne lake. It gradually leads towards the Tête du Serre before dropping onto the heights of the Alpe d'Huez resort.

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The highest point of the Alpe d’Huez area, the Pic Blanc rises to 3,330 meters altitude and offers a spectacular panorama of the Alps. Accessible by cable car, its summit offers panoramas of glaciers, ridges, and deep valleys.

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The village of Mizoen, located in the Isère department of France (Auvergne-Rhône-Alpes region), is a typical mountain settlement at the entrance to the Écrins National Park, near Le Bourg-d'Oisans. Its history is deeply linked to mountain agriculture, livestock farming, and, more recently, tourism development thanks to its proximity to the renowned Les Deux Alpes ski resort, offering a peaceful and panoramic setting overlooking Lake Chambon.

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Be careful of the clouds so as not to get lost. Very well marked. Be well equipped.

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BiciNómadas
July 31, 2025, Pic Blanc

3300m peak accessible by cable car. If the day is clear, you can see the peaks of the Ecrins, like the Meije,

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Great descent with lots of bends and a magnificent panorama. The climb back up to the plateau is less fun but the descent is well worth it.

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A beautiful green plain with a meandering river through the lowest point. The GR54 trail is relatively busy, while the other paths are quieter. There's a parking lot with a public restroom at the top.

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This link trail connects the Oz 3300 resort and the hamlet of Sardonne. It also serves as a playground for downhill mountain bikers during the Mégavalanche event. Imagine them hurtling down the slope at full speed. In the middle of the forest, it is sometimes possible to observe the lake du Verney.

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Frequently Asked Questions

Can I mountain bike directly around Lac des Quirlies?

No, mountain biking is strictly prohibited in the immediate vicinity of Lac des Quirlies. The lake and its surrounding area are classified as a Natura 2000 site to protect its delicate biodiversity, and regulations explicitly forbid motorized vehicles and mountain bikes on its trails.

Where can I find mountain bike trails near Lac des Quirlies?

While Lac des Quirlies itself is reserved for hiking, the broader Oisans region and Écrins National Park, where the lake is situated, offer extensive mountain biking opportunities. Popular areas include Les 2 Alpes, Le Bourg-d'Oisans, and the Pays des Écrins, all providing a wide array of trails.

What types of mountain bike trails are available in the region surrounding Lac des Quirlies?

The region offers a diverse range of trails suitable for various skill levels. You'll find everything from challenging downhill runs and technical enduro routes to more moderate cross-country paths. The terrain varies from high-altitude mineral landscapes and glacial valleys to alpine forests and green mountain pastures.

Are there trails suitable for beginners or advanced mountain bikers?

Yes, the surrounding region caters to all skill levels. For instance, Les 2 Alpes Bike Park offers 26 trails graded green, blue, red, black, and elite. The Pays des Écrins also provides 220 km of marked trails across 28 circuits, ensuring options for beginners, intermediate, and advanced riders.

What are some notable mountain bike routes in the area?

Popular routes include The Megavalanche — Allemond depuis Pic Blanc, known for its significant descent. Another favorite is the difficult Plateau d'Emparis – Col Naze – 1302 m loop from Besse, offering panoramic views. The High altitude peat bogs – Pont Ferrand Waterfall loop from Besse is also highly regarded, leading past impressive natural features.

Are there any family-friendly mountain bike options near Lac des Quirlies?

Yes, the Pays des Écrins network includes many marked trails suitable for families and e-mountain bikes, traversing larch forests and flowery mountain pastures. While specific 'family-friendly' routes aren't detailed in the guide data, the presence of 2 easy and 6 moderate tours among the 18 total routes suggests suitable options exist for less experienced riders.

What natural features or landmarks can I see while mountain biking in the Oisans region?

While mountain biking, you can encounter diverse landscapes including high-altitude peat bogs and impressive waterfalls like the Pont Ferrand Waterfall, which is part of the High altitude peat bogs – Pont Ferrand Waterfall loop from Besse. The region also offers panoramic views of iconic peaks such as the Aiguilles d'Arves and La Meije, and the expansive Écrins massif.

When is the best time of year for mountain biking in the area?

The summer months are generally the best time for mountain biking in the Oisans region. During this period, ski lifts in areas like Les 2 Alpes are open, providing easy access to high-altitude trails. The weather is typically more stable, and trails are free of snow, offering optimal riding conditions.

Are there circular mountain bike routes available?

Yes, several circular routes are available. For example, the Plateau d'Emparis – Col Naze – 1302 m loop from Besse and the High altitude peat bogs – Pont Ferrand Waterfall loop from Besse are popular loop trails starting from Besse.

What do other mountain bikers enjoy most about mountain biking in the region?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 70 reviews. Mountain bikers often praise the varied terrain, which includes glacial valleys, alpine forests, and high-altitude plateaus, offering diverse and engaging riding experiences for all ability levels.

Where can I find parking or access points for mountain bike trails?

Common starting points for trails include villages like Besse, Clavans-le-Bas, Clavans-le-Haut, and the hamlet of Le Perron. Le Bourg-d'Oisans is a popular hub at the entrance to Écrins National Park, and Les 2 Alpes offers lift-served access to its extensive bike park during summer.

Can I bring my dog on mountain bike trails in the Oisans region?

While the immediate vicinity of Lac des Quirlies is a protected Natura 2000 site with strict rules, many trails in the broader Oisans region and Écrins National Park are generally accessible for dogs, often on a leash. However, it's always best to check specific trail regulations or local signage before heading out, especially within national park boundaries, as rules can vary.

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