4.7
(5)
87
hikers
6
hikes
Mountaineering around Feissons-Sur-Isère offers access to the diverse terrain of the Savoie department in the Auvergne-Rhône-Alpes region. The area is characterized by significant mountain peaks, high-altitude passes, and alpine lakes, providing a challenging environment for mountaineers. Prominent features include the Beaufortain range, views of Mont Blanc, and proximity to the Vanoise National Park. The landscape features rocky summits, steep mountainsides, and alpine pastures.
Last updated: October 13, 2026
5.0
(2)
23
hikers
10.9km
04:45
970m
970m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(2)
8
hikers
16.3km
07:48
1,150m
1,150m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

9
hikers
16.4km
07:38
1,430m
1,430m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5
hikers
15.5km
06:44
1,230m
1,220m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
8
hikers
12.3km
04:31
570m
560m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Beautiful view towards Mount Bellacha and the Grand Arc.
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beautiful and peaceful lake, great to have a lunch break with a view
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Beautiful alpine lake worth visiting.
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Easy walk from Lake Saint-Guérin. Also accessible by bike (gravel).
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The site is a destination in itself. From the lake, access to various classic hikes: towards the Col de la Louze, towards the Lac des Fées...
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The Saint-Guérin road allows you to see the dam from the bottom, then access it at the edge of the reservoir.
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A magnificent site, easily accessible from Arêches on foot or by bike.
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View of the lake on an August morning, from the south bank.
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Mountaineering around Feissons-sur-Isère is primarily suited for experienced mountaineers. Out of the 10 available routes, 8 are classified as difficult, offering challenging ascents and significant elevation gains through varied mountain terrain. There are 2 moderate routes for those seeking a slightly less demanding, but still engaging, experience.
While most routes are difficult, there are a couple of moderate options available for those with some experience looking for a less intense climb. These routes still offer a good challenge and beautiful scenery without the extreme demands of the most difficult ascents.
The region is rich in stunning natural features. You can expect to encounter significant mountain peaks like Le Grand Mont, high-altitude passes such as Col de la Bâthie and Cormet d'Arêches, and picturesque alpine lakes like Lake Saint-Guérin. Many routes also offer panoramic views of the Beaufortain range, the Vanoise National Park, and the iconic Mont Blanc.
Several routes provide breathtaking views. The ascent to Le Grand Mont (2,686 meters) offers expansive views of the Beaufortain range and Mont Blanc. Similarly, the Lac de Saint-Guérin – Le Grand Mont loop from Barrage de Saint-Guérin will lead you towards these vistas. From Mont Bellachat, you can enjoy 360° views including the Vanoise glaciers and Mont Blanc. The Cormet d'Arêches also provides spectacular views towards the high Vanoise, which is often snow-covered year-round.
Yes, the area features several beautiful mountain lakes. The Lac de Saint-Guérin – Le Grand Mont loop from Barrage de Saint-Guérin takes you past the stunning turquoise waters of Lake Saint-Guérin. Another excellent option is the Lac de Lavouet – Lac Sans Fond loop from Le Planay, which leads through high alpine landscapes and past multiple mountain lakes. The Lakes Pass is also surrounded by charming small lakes.
Yes, many of the mountaineering routes in the area are designed as loops, allowing you to start and end at the same point. Examples include the Pointe de la Grande Combe loop from Le Bois, the Lac de Saint-Guérin – Le Grand Mont loop from Barrage de Saint-Guérin, and the Lac de Lavouet – Lac Sans Fond loop from Le Planay.
The duration of mountaineering routes varies depending on their length and difficulty. For example, the Pointe de la Grande Combe loop from Le Bois typically takes around 4 hours 32 minutes, while the longer Lac de Lavouet – Lac Sans Fond loop from Le Planay can take approximately 7 hours 27 minutes. Most difficult routes will require a full day or a significant portion of it.
The komoot community highly rates the mountaineering experience in Feissons-sur-Isère, with an average score of 4.5 stars from over 5 reviews. Mountaineers often praise the challenging mountain peaks, the stunning panoramic views of Mont Blanc and the Vanoise, and the diverse alpine landscapes that include rocky summits, steep mountainsides, and picturesque lakes.
Yes, mountain huts are an integral part of the mountaineering experience in this region. Refuge Les Arolles, located at 1,890 meters, is a notable example that offers food and lodging. These refuges provide essential support for longer expeditions and allow visitors to fully immerse themselves in the high-alpine environment.
The best time for mountaineering in Feissons-sur-Isère is typically during the warmer months, from late spring to early autumn (June to September), when the snow has largely melted from higher elevations and weather conditions are generally more stable. Always check local weather forecasts and trail conditions before heading out, as alpine weather can change rapidly.
The mountainous terrain and alpine pastures around Feissons-sur-Isère are home to various wildlife species. While specific sightings are never guaranteed, you might encounter chamois, ibex, marmots, and various bird species adapted to high-altitude environments. Maintaining a respectful distance and quiet observation increases your chances of a sighting.
Absolutely. Reaching the summit of Le Grand Mont (2,686 meters) is highly rewarding, offering a rocky, moonscape environment and expansive views. Passes like Col des Lacs and Cormet d'Arêches also provide stunning vistas and a sense of achievement amidst rugged alpine beauty.


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