4.4
(7)
60
hikers
4
hikes
Mountaineering routes around Les Mollettes traverse varied alpine terrain, characterized by significant elevation changes and mountain passes. The region features a mix of high mountain trails, forested sections, and open slopes. These routes often lead to panoramic viewpoints and alpine lakes, providing diverse challenges for mountaineers.
Last updated: May 25, 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.

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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)
6
hikers
5.40km
02:36
390m
390m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
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As you climb up to the Col de l'Alpe, you will find a summit cross dating from the early 20th century. Erected in 1926, it was built to commemorate local climbers and hikers who lost their lives in the Alps.
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Perched at an altitude of 1,799 meters under the rocks of Belles Ombres, the pass is one of the gateways to the Hauts de Chartreuse nature reserve. A few meters from the pass is the cross of the same name.
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And also and especially in good weather on Mont Blanc my dear Chloé 🤪
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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!
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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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For those new to mountaineering, the Lac du Collet – Les Plagnes loop from Le Collet d'Allevard is a moderate option. It covers 5.2 miles (8.4 km) with an elevation gain of about 600 meters, typically taking around 3 hours 16 minutes to complete.
Les Mollettes offers several demanding routes for experienced mountaineers. Consider the Les Grands Moulins – Grande Montagne d'Arvillard loop from Parking de Val Pelouse, a difficult 7.4 miles (12.0 km) trail with significant elevation gain. Another challenging option is the Grande Montagne d'Arvillard – Les Grands Moulins loop from Institut Karma Ling, which spans nearly 12.4 miles (19.9 km) and involves substantial ascents.
Yes, many of the mountaineering routes around Les Mollettes are circular. Examples include the moderate Lac du Collet – Les Plagnes loop from Le Collet d'Allevard, and more difficult options like the Les Grands Moulins – Grande Montagne d'Arvillard loop from Parking de Val Pelouse and the Grande Montagne d'Arvillard loop from Institut Karma Ling.
The best time for mountaineering in Les Mollettes is typically from late spring to early autumn (June to September) when the weather is generally more stable, and trails are free of snow at lower to mid-altitudes. Always check local weather forecasts and trail conditions before heading out, as alpine weather can change rapidly.
While most mountaineering routes in Les Mollettes are rated moderate to difficult due to significant elevation changes and alpine terrain, the Lac du Collet – Les Plagnes loop from Le Collet d'Allevard is the most accessible option. For families with younger children or those seeking less strenuous walks, consider exploring easier hiking trails in the broader region.
Mountaineering routes in Les Mollettes often lead to panoramic viewpoints and alpine lakes. You might encounter natural features like Lake Saint-André or Lac de Sainte Hélène. The region also features mountain passes such as Granier Pass and Marocaz Pass, offering stunning vistas.
Yes, the region offers natural wonders beyond the main trails. You can find the picturesque Pichut Waterfall and the intriguing La Balme Cave in Collomb, which are worth exploring if you're in the area.
The mountaineering routes in Les Mollettes are highly regarded by the komoot community, holding an average rating of 4.4 stars from over 7 reviews. Users frequently praise the challenging ascents, the beauty of the alpine lakes, and the extensive mountain passes that define the region's diverse terrain.
Yes, several routes indicate specific starting points with parking. For example, the Les Grands Moulins – Grande Montagne d'Arvillard loop starts from Parking de Val Pelouse, and other routes begin from locations like Le Collet d'Allevard, Institut Karma Ling, and Sainte-Marie-du-Mont, which typically have designated parking areas.
Based on available information, there are no specific permits required for general mountaineering on the listed routes around Les Mollettes. However, it's always advisable to check with local authorities or tourist information centers for any updated regulations, especially if you plan to venture into protected areas or undertake more technical climbs.
The alpine environment around Les Mollettes provides opportunities for wildlife spotting. Keep an eye out for typical mountain fauna such as chamois, ibex, marmots, and various bird species. Early mornings or late afternoons are often the best times for wildlife observation.
Absolutely. Many routes are designed to showcase the region's natural beauty. The Watch Rock is a notable viewpoint in the vicinity, offering expansive vistas. Additionally, the mountain passes and high-altitude sections of routes like the Pas de Belles Ombres loop from Sainte-Marie-du-Mont provide stunning panoramic views of the surrounding alpine landscape.


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