5.0
(2)
13
hikers
2
hikes
Mountaineering routes around Lac de Bissorte are set within a high-alpine environment characterized by majestic peaks and dense forests. The centerpiece is the artificial Lac de Bissorte, fed by crystalline glacial waters, which contributes to the region's distinct alpine character. The area features challenging terrain with significant elevation gains, typical of the French Alps. This landscape offers a true high-mountain experience for experienced mountaineers.
Last updated: May 4, 2026
3
hikers
12.9km
05:34
850m
850m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
2
hikers
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5
hikers
15.6km
07:08
1,010m
1,010m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(2)
3
hikers
16.1km
07:42
1,170m
1,170m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.
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In high season, the refuge can accommodate up to 70 people. It also offers a catering service, and hikers passing through can stop simply for a drink. You will also find a drinking water point, toilets and PRM access.
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This photo looks up at the descent on the west side of Mt. Thabor. The first part of the descent contains (very) dangerous segments for inexperienced hikers. Steep sections with snow, hardly any path. Lots of loose sand and gravel. Poles and experience essential. After the first steep descent you go down the other side of the mountain. Here follows a less dangerous, but still challenging 'path' over loose rocks. Also parts through snow but fairly flat. The photo shows the rock descent.
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0
Superb hike with magnificent views but long and steep.
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0
Currently, there are 4 highly-rated mountaineering routes detailed in this guide for the Lac de Bissorte area. These routes are specifically curated to offer challenging alpine experiences.
The komoot community highly rates the mountaineering experiences around Lac de Bissorte, with an average score of 5.0 stars. Reviewers often praise the stunning high-alpine environment, the majestic peaks, and the challenging nature of the trails, which provide a true high-mountain experience.
Mountaineering routes around Lac de Bissorte feature a diverse high-alpine environment. You can expect challenging terrain with significant elevation gains, dense forests, and paths traversing high-mountain landscapes, often above 2500 meters. Sure-footedness and sturdy shoes are essential.
The centerpiece is the artificial Lac de Bissorte itself, known for its breathtaking turquoise glacial waters. You'll also encounter the impressive Bissorte Dam, which offers panoramic views. Other notable features include dense forests, crystal-clear streams, and the possibility of extending your hike to the more secluded Lac des Bataillères. The historic Saint Bartholomew's Chapel is also in the vicinity.
Yes, the Bissorte Dam provides incredible panoramic views after about an hour's walk from the access point. Additionally, some challenging routes, such as an ascent of Mont Coburne, offer views of the entire lake and surrounding mountains.
The best time to visit for mountaineering and alpine trekking around Lac de Bissorte is generally between May and October. During these months, weather conditions in the high mountains are more favorable, making the trails more accessible and enjoyable.
Yes, access to Lac de Bissorte is possible via an accessible forest track that leads to the Prec car park. From there, trails ascend towards the lake and the various mountaineering routes.
While the region is well-known for its outdoor activities, direct public transport options to the immediate vicinity of Lac de Bissorte for accessing mountaineering routes are limited. It is generally recommended to travel by car to reach the starting points like the Prec car park.
Yes, the region offers several circular routes. For instance, the Mountaineering loop from Valmeinier is a challenging circular trail. Another option is the Chapelle Notre-Dame-des-Neiges – Partie Lake loop from Mont d'Ambin Base Tunnel, which also forms a loop through alpine valleys.
Yes, Lac de Bissorte can serve as a starting point or a segment for more demanding multi-day routes. The Mont Thabor loop from Communauté de communes Maurienne-Galibier is an extensive route that traverses high-mountain landscapes, providing panoramic views and significant elevation gain, often undertaken as a multi-day trek.
While popular routes like the circuit around Lac de Bissorte can see visitors, exploring trails that venture further into the high-alpine environment, such as the Panorama of the Dent Parachée – Col de la Masse loop from Mont d'Ambin Base Tunnel, might offer a more secluded experience. The area's challenging nature naturally filters for more experienced mountaineers, contributing to a less crowded feel on some of the more demanding paths.
The mountaineering routes highlighted in this guide are generally classified as 'difficult' and require very good fitness, sure-footedness, and alpine experience. This makes them less suitable for young children or families seeking easy walks. For dogs, regulations vary, and the challenging terrain, potential for wildlife encounters, and high-altitude conditions mean these routes might not be ideal for all dogs. Always check local regulations regarding dogs on trails.


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