4.6
(14)
128
hikers
7
hikes
Mountaineering routes around Herbeys provide access to the diverse and challenging terrain of the Vercors, Chartreuse, and Belledonne massifs. The region is characterized by dramatic limestone cliffs, deep forests, and rugged crystalline peaks. These areas offer a range of alpine experiences, from technical climbs to high-altitude traverses, with significant elevation gains.
Last updated: August 25, 2026
5.0
(2)
9
hikers
17.8km
08:00
1,120m
1,120m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
9
hikers
11.0km
04:02
470m
470m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4.7
(3)
9
hikers
12.1km
05:21
800m
800m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
8
hikers
15.9km
06:06
870m
870m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
4
hikers
13.2km
05:12
640m
640m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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This spot offers a wider view of the Chartreuse mountains. Although still accessible, the trails begin to resemble those found in the Chartreuse mountains once you pass the Bastille.
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The appeal of climbing Rachais lies in these ridges. They offer views of the Chartreuse mountains and invite you to venture further into the massif.
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Beautiful view of the city, both day and night. Drinking water available.
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The Robert Lakes are very beautiful, and the mountain range surrounding them creates a magnificent setting. The spot seems popular with campers (arrive early for the best spot). The GR trail between Chamrousse Le Recoin and the Robert Lakes, which passes by Lac des Prouettes, is quite difficult (steep) on the Robert Lakes side. The trail higher up the mountain is easier (beware of the scree slopes for those with short legs).
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One of the most beautiful lake spots in the Belledonne massif
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There are 7 challenging mountaineering routes detailed in this guide, providing access to the diverse terrain of the Vercors, Chartreuse, and Belledonne massifs.
All the mountaineering routes listed in this guide are classified as difficult. They are designed for experienced mountaineers seeking significant ascents and alpine environments, often featuring considerable elevation gains and rugged terrain.
Yes, several routes are circular. For instance, the Lake Bernard – La Pra Refuge loop from La Gafe is a challenging 17.8 km route, and the Chamrousse – Lake Pourettes loop from Chamrousse offers a 10.7 km difficult path with views of glacial lakes.
The terrain around Herbeys is incredibly varied, encompassing the dramatic limestone cliffs of the Vercors, the sheer cliffs and forested landscapes of the Chartreuse, and the rugged crystalline peaks and glacial lakes of the Belledonne Massif. You'll encounter everything from alpine ridges to deep forests and high plateaus.
Mountaineering routes in the region offer access to stunning natural features. You might encounter beautiful glacial lakes like Lake Achard, or reach impressive summits such as Izon Cross and La Croix de Chamrousse Summit. The region also features unique geological formations like the Coup de Sabre Gorge.
Absolutely. The Mon Jalla loop from Grenoble, for example, leads through forested slopes and provides panoramic viewpoints over the surrounding landscape. Many routes in the Belledonne Massif, with its numerous peaks, offer spectacular vistas.
The mountaineering routes around Herbeys are highly rated by the komoot community, with an average score of 4.9 stars from over 23 reviews. Mountaineers often praise the challenging nature of the trails, the stunning alpine scenery, and the sense of immersion in wild landscapes.
The best time for mountaineering typically depends on the specific route and conditions. Generally, late spring to early autumn offers the most favorable weather for high-altitude routes, avoiding heavy snow and ice. However, the region also offers opportunities for winter mountaineering for those with appropriate experience and gear.
The routes listed in this guide are all classified as difficult and are generally suited for experienced mountaineers. While Herbeys offers easier hiking trails, the mountaineering routes specifically require good fitness, sure-footedness, and often alpine experience due to significant elevation gains and rugged terrain.
Yes, mountain guides are available in the Chartreuse Massif to help you explore its rich fauna and flora safely, and to tackle more technical ascents. You can find more information on mountain guides through Chartreuse Tourisme.
Yes, the Lake Pourettes – Lake Achard loop from Chamrousse is a great option, allowing you to experience two beautiful glacial lakes. Another route, the Lake Achard – Little wonderful lakes loop from Chamrousse, also takes you past multiple stunning water features.


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