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Mountain Hikes
France
Auvergne Rhône Alpes
Chambéry

Détrier

The best mountain hikes around Détrier

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.

Best mountaineering routes around Détrier

  • The most popular mountaineering route is Lac du Collet – Les Plagnes loop…

Last updated: July 6, 2026

17

hikers

#1.

Occiput Pass – Les Plagnes loop from Le Collet d'Allevard

8.01km

03:09

590m

590m

Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Hard
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Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Hard

Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

Hard

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

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Popular around Détrier

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Tips from the Community

Jean Pierre
January 19, 2023, Col de l'Occiput

And also and especially in good weather on Mont Blanc my dear Chloé 🤪

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Chloé Perceval
February 14, 2022, Les Plagnes

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.

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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.

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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!

Translated by Google

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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.

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Arnaud -P-
September 16, 2021, Col de l'Occiput

Collet d'Allevard station

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1

Point of view not easy to access for everyone but very nice!

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1

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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!

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Frequently Asked Questions

What types of mountaineering routes can I find around Détrier?

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.

Are there any moderate mountaineering routes suitable for those looking for a less strenuous challenge?

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.

What are some of the more challenging mountaineering routes in the Détrier area?

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.

Are there any circular mountaineering routes around Détrier?

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.

What is the best time of year for mountaineering in Détrier?

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.

What kind of views and natural features can I expect on these routes?

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.

Are there any interesting landmarks or natural attractions near the mountaineering routes?

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.

What do other mountaineers say about the routes in Détrier?

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.

How long do the mountaineering routes typically take to complete?

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.

Is there parking available at the trailheads for these mountaineering routes?

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.

Are there any mountaineering routes that pass by Lake La Thuile?

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.

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