4.8
(4)
65
hikers
7
hikes
Mountaineering routes around Oris-En-Rattier traverse the challenging terrain of the Dauphiné Alps, characterized by high alpine peaks, deep valleys, and glacial lakes. The region offers demanding ascents and technical sections, including via ferrata routes. These trails often lead through rocky landscapes and past impressive natural features. The area is well-suited for experienced mountaineers seeking significant elevation gains and rugged environments.
Last updated: July 6, 2026
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.
12
hikers
9.18km
04:16
790m
790m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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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.
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.
5.0
(1)
7
hikers
3.16km
02:00
240m
240m
Hard mountaineering route. 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
0
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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Mountaineering routes in Oris-En-Rattier are predominantly difficult, designed for experienced mountaineers. The terrain in the Dauphiné Alps features demanding ascents, technical sections, and rocky landscapes. Out of the 8 available routes, 7 are classified as difficult, and 1 as moderate.
The mountaineering routes around Oris-En-Rattier are generally challenging and best suited for experienced individuals due to the high alpine peaks and technical sections. While there is one moderate route, the majority are classified as difficult, so beginners should exercise caution and consider guided options or routes in other regions.
The mountaineering routes in Oris-En-Rattier vary in length and duration. For example, the Via Ferrata du Grand Bec – Lac de Brouffier loop from La Morte is about 10.2 km and takes approximately 6 hours, while the Lac de Prévourey loop from La Morte extends to 14.3 km and can take around 7 hours 20 minutes to complete.
Yes, many of the mountaineering routes in Oris-En-Rattier are designed as loops, offering varied scenery without retracing your steps. Examples include the Lac Charlet – L'Oreille du Loup loop from Villard-Saint-Christophe and the Le Tabor loop from Villard-Saint-Christophe.
Mountaineering routes in Oris-En-Rattier traverse high alpine peaks, deep valleys, and glacial lakes. You'll encounter rocky landscapes, impressive natural features, and potentially via ferrata sections. Many routes offer views of stunning alpine lakes like Lac de Brouffier, Lac Charlet, and Lac de Prévourey.
The mountaineering routes in Oris-En-Rattier are highly rated by the komoot community, with an average score of 4.75 stars from 5 reviews. Mountaineers often praise the challenging terrain, the stunning high alpine landscapes, and the rewarding views of glacial lakes and mountain passes.
The region around Oris-En-Rattier is rich with natural landmarks. You can explore several mountain passes such as Ornon Pass, Plan Collet Pass, and Parquetout Pass. Another interesting natural monument is La Pierre Percée.
Yes, for those seeking an extra challenge, the Via Ferrata du Grand Bec – Lac de Brouffier loop from La Morte specifically includes a via ferrata section, combining mountaineering with this exciting climbing experience.
Given the high alpine nature of the routes, the best season for mountaineering in Oris-En-Rattier is typically from late spring to early autumn (June to September) when snow has largely melted from higher elevations and weather conditions are more stable. Always check local weather forecasts and trail conditions before heading out.
There are 8 distinct mountaineering routes available in the Oris-En-Rattier area, offering a range of challenging experiences for seasoned mountaineers.
Yes, some routes provide opportunities to see multiple alpine lakes. For instance, the Lac Charlet – Le Tabor loop from Villard-Saint-Christophe offers views of Lac Charlet and traverses high mountain terrain.


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