4.2
(6)
54
hikers
4
hikes
Mountaineering routes around Détrier are characterized by significant elevation changes and diverse alpine terrain. The region features prominent peaks like Grande Montagne d'Arvillard, offering challenging ascents and panoramic views. Mountain lakes such as Lac du Collet are often incorporated into routes, providing scenic focal points. The landscape includes a mix of open alpine areas and forested sections, typical of the French Alps.
Last updated: July 6, 2026
17
hikers
8.01km
03:09
590m
590m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(3)
16
hikers
11.5km
05:39
930m
930m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Sign up for free
3.5
(2)
11
hikers
19.8km
08:35
1,380m
1,380m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
6
hikers
13.9km
05:36
990m
990m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(1)
4
hikers
8.27km
03:03
330m
330m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
And also and especially in good weather on Mont Blanc my dear Chloé 🤪
0
0
Here, you can enjoy a 360° panorama of all the surrounding mountains: Belledonne, Vercors, Chartreuse, Bauges, and even Mont Blanc on a clear day! An orientation table makes it possible to identify the surrounding peaks.
0
0
This passage at 1,868 meters above sea level offers pretty views of the peaks of the Grands Moulins (2,498 meters) and the Grand Miceau (2,631 meters) in particular. 400 meters separate you here from the summit of Grand Collet.
0
0
The Perrière refuge is an unguarded refuge that was renovated in 2018. It is nestled at the foot of the Grands Moulins (2,498 meters above sea level). There you will find 18 beds on mattresses, blankets, a stove, kitchen utensils and water. It is also equipped with solar electricity, which allows its smartphones and GPS devices to be recharged. A beautiful place to spend a night in the mountains!
1
0
The Col de la Perrière is located at an altitude of 2,003 meters. It offers a superb view of the Grand Charnier, the Grands Moulins, the Frêche, the Tête de la Perrière and the Grand Miceau.
0
0
Point of view not easy to access for everyone but very nice!
1
0
The trip there is not always easy. We did it with 3 kids (age 3, 5 and 7). The view at the top is really amazing!
1
0
The mountaineering routes around Détrier are primarily characterized by significant elevation changes and diverse alpine terrain, typical of the French Alps. You'll find a mix of open alpine areas and forested sections. The routes range from moderate to difficult, catering to experienced mountaineers.
Yes, for a moderate challenge, consider the Lac du Collet – Les Plagnes loop from Le Collet d'Allevard. This 5.2-mile (8.4 km) route offers a scenic loop around a mountain lake with varied terrain and typically takes about 3 hours 15 minutes to complete.
For experienced mountaineers seeking a challenge, the region offers several difficult routes. The Les Grands Moulins – Grande Montagne d'Arvillard loop from Parking de Val Pelouse is a difficult 7.4-mile (12.0 km) path featuring substantial climbs through high alpine landscapes. Another demanding option is the Grande Montagne d'Arvillard – Les Grands Moulins loop from Institut Karma Ling, which spans 12.4 miles (19.9 km) and takes over 8 hours.
Many of the mountaineering routes in Détrier are designed as loops, allowing you to start and end at the same point. Examples include the moderate Lac du Collet – Les Plagnes loop from Le Collet d'Allevard, and more difficult options like the Grande Montagne d'Arvillard loop from Institut Karma Ling.
The best time for mountaineering in Détrier is typically during the warmer months, from late spring to early autumn (June to September), when trails are generally free of snow and weather conditions are more stable. Always check local weather forecasts and trail conditions before heading out, as alpine weather can change rapidly.
Mountaineering routes around Détrier offer panoramic views of prominent peaks like Grande Montagne d'Arvillard and often incorporate scenic mountain lakes such as Lac du Collet. The landscape is a mix of open alpine areas and forested sections, providing diverse scenery throughout your ascent.
Yes, the region around Détrier features several natural attractions. You might encounter beautiful lakes such as Lac de la Thuile or Lake Saint-André. The Marocaz Pass is another notable point of interest in the area.
The mountaineering routes in Détrier are highly rated by the komoot community, with an average score of 4.2 stars from over 5 reviews. Mountaineers often praise the varied terrain, challenging ascents, and expansive vistas found in the high alpine landscapes.
The duration of mountaineering routes in Détrier varies significantly based on difficulty and distance. A moderate route like the Lac du Collet – Les Plagnes loop can take around 3 hours 15 minutes, while more difficult and longer routes, such as the Grande Montagne d'Arvillard – Les Grands Moulins loop, may require over 8 hours to complete.
While specific parking details for every trailhead are not provided, many routes, such as the Les Grands Moulins – Grande Montagne d'Arvillard loop, start from designated parking areas like Parking de Val Pelouse. It's advisable to check the individual route details on komoot for precise starting points and parking information.
Yes, the Watch Rock – Lake La Thuile loop from La Thuile is a difficult 5.1-mile (8.2 km) mountaineering route that incorporates Lake La Thuile, offering scenic views of the lake and surrounding landscape.


Browse the best Mountain Hikes & Routes in other regions.