Mountain passes around Les Adrets are located in the Isère department, northeast of Grenoble, within the Belledonne, Chartreuse, and Oisans mountain ranges. This area provides access to a network of passes known for their diverse terrain and mountain environments. The region offers opportunities for exploring high-altitude landscapes and scenic routes.
Last updated: April 28, 2026
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Popular around Les Adrets
Great e-bike routes in Isère, France
Grenoble’s Belledonne mountain range – hike the 7 Laux Lakes Tour
Hiking around Les Adrets
Running Trails around Les Adrets
Road Cycling Routes around Les Adrets

Mountain Hikes around Les Adrets
MTB Trails around Les Adrets
Cycling around Les Adrets
Gravel biking around Les Adrets
Enjoy the pass to admire Grenoble. Breathe, you are at 2500m
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Only 500 meters of elevation gain from the Lakes... On paper. A very physically demanding pass, both on the ascent and descent. Pay attention to the markings. Requires a minimum of mountaineering experience. You have been warned...
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Exceptional site at the foot of the Dent de Crolle with access via a wild forest road
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Climb to the Col du Barioz via Les Fontaines and Le Charpieux. A technical climb after Les Perrins requires vigilance and some pushing. Please note: Passage after Les Perrins may be blocked during the summer by an electric sheep fence.
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Beautiful rock formation. Here is one of the steepest sections
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Perched at 1,434 meters, the Col du Coq is accessible after a twelve-kilometer climb regardless of the direction of the road taken. It offers a beautiful view of the Dent de Crolles.
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Warning! the dogs are poorly trained, so stay calm and wait for the sheep to reorganize.
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The region around Les Adrets, nestled within the Belledonne, Chartreuse, and Oisans mountain ranges, offers several scenic passes. Notable ones include Col du Coq, the highest pass in the Chartreuse massif, offering magnificent views of the Dent de Crolles. Another is Bellefont Pass, located at 1,902 meters, which provides breathtaking views of Mont Blanc and the highest peaks of the Chartreuse massif.
Yes, for experienced hikers seeking challenging terrain, the Col de la Vache (Vache Pass) is a wild and rugged option at 2,535 meters. It involves climbing rocks and snowfields, offering superb views of the surrounding peaks. Another challenging route is to Not of the eye, which gives access to the top of the Dent de Crolles as part of a unique hike.
The area around Les Adrets is excellent for various outdoor activities. You can find numerous mountain hikes, including challenging loops like the Le Habert d'Aiguebelle Refuge – Cime de la Jasse. For cyclists, there are routes such as the Col des Ayes (944 m) – Col du Barrioz loop. Gravel biking is also popular, with routes like the Flat gravel path – Isère Bend Near Grenoble loop. You can explore more options on the dedicated guides for Mountain Hikes around Les Adrets, Cycling around Les Adrets, and Gravel biking around Les Adrets.
Cyclists will find several passes around Les Adrets appealing. The Col du Barrioz in the Belledonne region offers a satisfying climb and is suitable for both road and mountain bikes. The Col du Coq is another option, though parts of its road can be in poor condition, making it more suitable for gravel bikes in some sections. There are also various cycling routes that incorporate these and other passes, as detailed in the Cycling around Les Adrets guide.
The mountain passes around Les Adrets are set within stunning natural environments. You can expect to see high-altitude landscapes, panoramic viewpoints, and diverse mountain flora. Passes like Bellefont Pass offer views of iconic peaks like Mont Blanc. The region is characterized by the rugged beauty of the Belledonne, Chartreuse, and Oisans massifs, with opportunities to encounter mineral environments and alpine lakes.
Yes, the Bellefont Pass is recognized as a natural monument. Situated at an elevation of 1,902 meters, it's not only a significant geographical feature but also offers exceptional views of Mont Blanc and the highest peaks of the Chartreuse massif, making it a noteworthy natural landmark.
Visitors appreciate the diverse terrain and stunning mountain environments. Many highlight the challenging climbs and panoramic viewpoints. For instance, the Col du Coq is praised for its magnificent view of the Dent de Crolles, despite being very frequented by cars on weekends. The Bellefont Pass is noted for its 'breathtaking view' of Mont Blanc and the Chartreuse massif.
The highest pass in the Chartreuse massif is Col du Coq. It offers impressive views of the Dent de Crolles and is a popular destination, though cyclists should be aware that some sections of the road can be quite rough.
Yes, the Col du Barrioz in the Belledonne region is known for accommodating both road and mountain bike enthusiasts. It offers a satisfying climb and high-quality routes for different cycling styles, allowing both types of riders to coexist peacefully.
When visiting, especially for passes like Col du Coq, be aware that it can be very frequented by cars on weekends. For challenging passes like Col de la Vache, be prepared for technical terrain, including rocks and potential snowfields, and ensure you have sure footing and appropriate gear. If hiking to Not of the eye, be mindful of poorly trained dogs and wait for sheep to reorganize.
The highest mountain pass mentioned in the region is Col de la Vache (Vache Pass), located at an altitude of 2,535 meters. Another high pass is Bellefont Pass, which sits at 1,902 meters above sea level.
Yes, the nearby guides for outdoor activities around Les Adrets feature several circular routes. For mountaineering, you can find challenging loops like the Le Habert d'Aiguebelle Refuge – Cime de la Jasse loop or the Lac du Pas de la Coche – Grand lac du Vénétier loop. Cycling and gravel biking guides also offer various circular routes that incorporate the region's passes. You can explore these options in the Mountain Hikes around Les Adrets and Cycling around Les Adrets guides.


See even more epic mountain passes by checking out these guides around Les Adrets: