4.8
(4)
71
hikers
8
hikes
Mountaineering routes around Lac de Pétichet are situated on the Matheysin plateau in the Isère department, characterized by glacial-origin lakes and surrounding mountains. The region offers demanding routes with significant elevation gains, providing access to the Belledonne and Taillefer massifs. These areas feature mineral landscapes, pastures, and forests, with views of prominent peaks like Obiou and Grand Serre. The terrain includes robust ascents and varied natural features suitable for experienced mountaineers.
Last updated: May 28, 2026
12
hikers
9.18km
04:16
790m
790m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.0
(1)
11
hikers
8.99km
04:04
830m
830m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0
(1)
16
hikers
10.2km
05:52
850m
850m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
hikers
13.3km
06:30
1,060m
1,060m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
6
hikers
15.0km
07:43
1,270m
1,270m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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A high-altitude lake, very quiet and rarely visited. The lake is at an altitude of 2,115 m. It offers breathtaking 360° views.
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An easy pass, away from traffic, in the very heart of the Alpe du Grand Serre Station. From Séchilienne, approx. 15km for D+ 1000m. To do in summer to enjoy the freshness of this shady slope.
2
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The Col de la Morte opens a window onto the Alpine landscapes. A Mecca for cyclists, hikers and trail runners, it is the scene of memorable climbs and outdoor adventures!
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At the heart of the Oisans massif is Lake Brouffier, a high-altitude jewel in Isère. Its shimmering waters reflect the surrounding peaks.
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The Col de la Morte from Sechilienne is 15.3 km long with a total drop of 1003 m. The average gradient is 6.56% with maximum gradients of 9.3%. A very nice climb to do during the summer months because the climb is mostly in the shade. When you get to the top you can go down the other side to La Mure.
3
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Hike from the "waterfall", climb in the forest then following the return path of the via ferrata. Attention passages require to put the hands, cables.
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There are 9 mountaineering routes detailed in this guide around Lac de Pétichet, offering a range of challenging ascents primarily for experienced individuals.
The terrain around Lac de Pétichet is characterized by significant elevation gains, varied mountain landscapes, and glacial-origin features. You'll encounter robust ascents through mineral landscapes, pastures, and forests, particularly in the Belledonne and Taillefer massifs.
Yes, many of the mountaineering routes around Lac de Pétichet are circular. For example, you can explore the challenging Lac Charlet – Le Tabor loop from Villard-Saint-Christophe, which covers 11.9 km and offers expansive mountain vistas.
Mountaineering routes in this region often provide stunning views of prominent peaks like Obiou and Grand Serre. The Matheysin plateau itself, with its glacial-origin lakes, offers picturesque backdrops. You might also discover hidden heritage elements, such as the ruins of the Gothic chapel of Saint-Théoffrey, on some of the broader trails around the lake.
Yes, for those seeking a via ferrata experience, the Via Ferrata du Grand Bec – Lac de Brouffier loop from La Morte is a challenging option. This route spans 10.2 km with 850 meters of elevation, typically taking around 5 hours and 52 minutes.
The region is generally best for mountaineering during the warmer months when trails are clear of snow and ice. However, the Isère department transforms into a winter sports paradise during colder seasons, offering opportunities for snowshoeing and other activities, though specific mountaineering conditions would require careful assessment of avalanche risk, especially in massifs like Taillefer.
The provided information does not indicate specific permits are required for general mountaineering routes around Lac de Pétichet. However, it's always advisable to check local regulations or with the regional tourism office for any specific restrictions or requirements, especially for protected areas or via ferratas.
Many routes, such as those starting from Villard-Saint-Christophe or La Morte, typically have designated parking areas near the trailheads. It's recommended to check the specific route details on komoot for precise parking information before your trip.
While the region is accessible, public transport options directly to all remote trailheads might be limited. It's best to research local bus services or consider carpooling to reach starting points like Villard-Saint-Christophe or La Morte, which serve as common access points for these mountaineering tours.
The mountaineering routes around Lac de Pétichet are highly rated by the komoot community, with an average score of 4.75 stars from over 5 reviews. Mountaineers often praise the varied terrain, significant elevation gains, and the panoramic views of the surrounding mountains and the Matheysin plateau.
While many outdoor areas in France are dog-friendly, specific regulations can vary by trail, especially in protected natural areas. It's always best to check individual route descriptions or local signage for any restrictions regarding dogs, particularly concerning leash requirements or access to certain sections.
Lac de Pétichet itself has a restaurant, 'Le Miradou,' by the water. The nearby villages and towns on the Matheysin plateau, such as Saint-Théoffrey, offer various options for cafes, restaurants, gîtes, hotels, and campsites. These can serve as convenient bases for your mountaineering adventures.
Experienced mountaineers will find several demanding options. The Lac de Prévourey loop from La Morte is a particularly challenging 14.3 km trail with 1,210 meters of elevation, estimated to take 7 hours and 20 minutes, offering a robust test of endurance.


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