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Routes
Gravel rides
France
Auvergne Rhône Alpes
Grenoble

Treffort

The best gravel rides around Treffort

4.6

(18)

66

riders

17

rides

Gravel biking around Treffort offers routes through a landscape characterized by significant elevation changes, mountain passes, and scenic water features. The region's diverse terrain includes varied surfaces suitable for gravel bikes, from compacted earth to gravel tracks. Cyclists can expect challenging climbs and descents, often traversing cols and old mountain roads. Treffort's proximity to the Vercors Regional Natural Park provides a vast network of trails for exploration.

Best gravel bike trails around Treffort

  • The most popular gravel bike trail is…

Last updated: May 21, 2026

5.0

(3)

10

riders

#1.

Trézanne – Fau Pass loop from Monestier-de-Clermont

39.0km

03:09

980m

980m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

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

Moderate
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

unvara
March 10, 2026, Col de l'Allimas

From Saint-Michel-les-Portes, it's about 7 km at an average gradient of 8%. The last few kilometers often reach double digits. A cruel climb if it's the last one of your day...

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A small village in the southern Vercors, ideal for starting a hike

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Hervé
January 25, 2026, Col de l'Allimas

Beautiful view and nice place with a table

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magnificent little walk to do

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Stan296
August 13, 2025, Col du Fau

It is beautiful here

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Darphin
August 3, 2025, Col de l'Arzelier

small pass with very little traffic

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Beautiful chapel with Mont Aiguille in the background.

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Catoche
July 2, 2025, Col des Deux

The Col des Deux is not located in the Bauges Massif but in the Vercors between the Col de l’Arzelier and the Col de l’Allimas. This trilogy is well known to cyclists in the Grenoble metropolitan area.

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Frequently Asked Questions

How many gravel bike trails are available around Treffort?

There are 19 gravel bike routes around Treffort listed on komoot. These trails offer a variety of experiences, predominantly featuring significant elevation changes and mountain passes.

Are there any easy or family-friendly gravel bike routes in the Treffort area?

While most gravel bike routes around Treffort are considered difficult due to substantial ascents and descents, there is one moderate trail suitable for those looking for a less strenuous ride. The View of Lac du Sautet – Ebron Footbridge loop from Treffort is a 6.4-mile (10.3 km) route that offers scenic views without the extreme challenges of other trails.

What kind of elevation gain can I expect on gravel bike trails near Treffort?

Gravel biking around Treffort is characterized by significant elevation changes. For example, the Col de l'Allimas – Fau Pass loop from Clelles-Mens involves over 3,800 feet (1,168 m) of ascent, while the Vieille Route de Grimone – Col de Grimone (1318 m) loop from Clelles-Mens features over 6,600 feet (2,019 m) of climbing. Be prepared for challenging mountain passes.

Are there circular gravel bike routes available in Treffort?

Yes, many of the gravel bike routes in the Treffort region are circular, allowing you to start and end at the same point. Examples include the Col de l'Arzelier – East Balcony of the Vercors loop from Miribel-Lanchâtre and the Col de l'Arzelier – Col de l'Allimas loop from Miribel-Lanchâtre, both offering extensive loops through the mountainous terrain.

What are some notable viewpoints or attractions along the gravel bike routes?

The region offers stunning views, particularly of its lakes and mountain passes. Along the trails, you can find highlights such as the Ebron Footbridge, various viewpoints overlooking Lac du Sautet and Lake Monteynard, and the impressive La Pierre Percée natural monument.

What do other gravel bikers enjoy most about the Treffort area?

The gravel biking routes around Treffort are highly rated by the komoot community, with an average score of 4.5 stars from over 14 reviews. Riders frequently praise the challenging mountain passes, the varied terrain, and the spectacular lake views, particularly those of Lac du Sautet.

What is the best time of year for gravel biking in Treffort?

Given the region's mountainous terrain and significant elevation, late spring through early autumn generally offers the most favorable conditions for gravel biking in Treffort. During these months, trails are typically clear of snow, and the weather is more stable for tackling the challenging ascents and descents.

Are there any routes that pass through mountain passes?

Yes, mountain passes are a defining feature of gravel biking in Treffort. Routes like the Col de l'Allimas – Fau Pass loop from Clelles-Mens and the Vieille Route de Grimone – Col de Grimone (1318 m) loop from Clelles-Mens specifically navigate through these challenging and scenic high points.

Can I find routes that include old mountain roads?

Many of the gravel routes in Treffort utilize old mountain roads, providing a unique riding experience. The Vieille Route de Grimone – Col de Grimone (1318 m) loop from Clelles-Mens is a prime example, leading you along historic paths through the mountains.

Are there any routes that offer views of Lac du Sautet?

Absolutely. The View of Lac du Sautet – Ebron Footbridge loop from Treffort is specifically designed to showcase the beautiful Lac du Sautet, offering picturesque views throughout the ride.

What kind of surfaces can I expect on the gravel bike trails?

The terrain around Treffort is varied, suitable for gravel bikes. You can expect a mix of compacted earth, gravel tracks, and old mountain roads. These surfaces contribute to the challenging and diverse nature of the rides.

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