4.7
(10)
78
riders
18
rides
Gravel biking around Les Adrets offers diverse terrain, characterized by significant elevation changes, river valleys, and mountain passes. The region features routes that traverse both flat sections along waterways and challenging climbs through hilly landscapes. Gravel bike trails in Les Adrets often provide views of the surrounding French Alps and the Isère valley. The area's varied topography supports a range of gravel biking experiences, from gentle riverside paths to demanding ascents.
Last updated: May 22, 2026
4.7
(3)
28
riders
50.8km
02:34
130m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
12
riders
19.2km
01:39
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
18
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
16
riders
42.1km
02:00
80m
80m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
14
riders
51.6km
03:29
910m
910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Les Adrets
It is indeed Chartreuse. There is also a "must-see" that presents "a magnificent view" of Chartreuse when it is actually Belledonne!!
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quiet route, away from the main road
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Very pretty, but it's not the Vercors, it's the Chartreuse, Mont St Eynard to be exact.
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Gravel section with 40mm tires. (Caracal Hutchinson) In a very dry period (end of June), nothing to complain about in the St Hilaire/Col de Marcieu direction.
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Conditionally recommended: Definitely recommended on a mountain bike. Relatively bumpy on a gravel bike. But doable with 45-inch tires and 2.5 bar pressure. There are few views along the trail, however, as it leads through dense forest.
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Beautiful pass. Relatively steep climbs from the valley. There are rest stops at the top.
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there we are finally almost out of the city
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There are over 35 gravel bike trails around Les Adrets, offering a wide range of experiences. The komoot community has explored these routes over 190 times, providing an average rating of 4.8 stars.
Yes, Les Adrets offers several easy gravel bike routes. For a relatively flat experience along the Isère River, consider the Alte Kapelle – Gravel Isere loop from Bernin, which is 18.2 miles (29.2 km) long and generally takes less than two hours to complete. There are 5 easy routes in total.
For experienced gravel bikers seeking a challenge, Les Adrets features numerous difficult routes. A notable option is the Saint-Hilaire-du-Touvet – Saint-Pancrasse loop from Lumbin, a demanding 36.2 miles (58.3 km) trail with significant elevation changes. Another difficult route is the View of the Combe de Savoie – Chartreuse loop from La Terrasse, covering 50.2 miles (80.8 km) with substantial climbs. In total, there are 26 difficult routes.
Many of the gravel bike routes around Les Adrets are designed as loops, allowing you to start and finish at the same point. For example, the popular Flat gravel path – Isère Bend Near Grenoble loop from Bernin is a circular route, as is the more challenging Marcieu Pass – Saint-Hilaire-du-Touvet loop from Saint-Hilaire-du-Touvet.
The terrain around Les Adrets is diverse, characterized by significant elevation changes, river valleys, and mountain passes. You'll find routes that traverse flat sections along waterways, like the Isère River, as well as challenging climbs through hilly landscapes. The varied topography supports a range of gravel biking experiences.
Given its location near the French Alps, spring and autumn generally offer the most pleasant conditions for gravel biking in Les Adrets, with milder temperatures and beautiful scenery. Summer can be warm, especially in the valleys, while winter may bring snow to higher elevations, making some routes inaccessible.
Yes, many routes offer panoramic views of the surrounding French Alps and the Isère valley. For example, the Marcieu Pass – Saint-Hilaire-du-Touvet loop from Saint-Hilaire-du-Touvet includes significant climbs that provide expansive vistas. You can also find highlights like Dent de Crolles or Col du Coq, which are popular viewpoints in the region.
The region around Les Adrets is rich in natural beauty. You can find several lakes, such as Lake Crozet and Lake Crop, which are popular spots. The routes also often follow riverine landscapes, offering scenic views of waterways like The Rivier of Allemont.
While specific parking areas are not detailed for every trailhead, many gravel bike routes in Les Adrets start from or pass through local villages and towns like Bernin, Saint-Hilaire-du-Touvet, or Lumbin. These locations typically offer public parking facilities, making them convenient starting points for your rides.
Many gravel bike routes in Les Adrets pass through or near villages and small towns. While specific cafes are not listed for every trail, you can often find local bakeries, small shops, or cafes in these settlements to refuel and refresh during your ride. Planning your route to include a village stop is recommended.
The komoot community highly rates the gravel biking experience in Les Adrets, with an average score of 4.8 stars from over 20 reviews. Riders often praise the diverse terrain, from flat riverside paths to challenging mountain climbs, and the panoramic views of the French Alps and Isère valley.


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