Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: January 14, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 6.60 km for 451 m

After 7.24 km for 62 m

Waypoints

Start point

Parking

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2.74 km

View of the Chartreuse Massif

Highlight • Viewpoint

On the way to Lac du Crozet, don't miss the superb view of the Chartreuse massif on the other side of the Grésivaudan valley.

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4.04 km

Plain below Lac du Crozet

Highlight • Other

a small, invigorating step before the lake and the associated crowds

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4.87 km

Lake Crozet

Highlight • Lake

It is a superb lake, perched at an altitude of 1,974 meters and surrounded by imposing rocky peaks. From there, we have a beautiful view of the Charterhouse.

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6.10 km

Lac du Loup

Highlight • Lake

6.49 km

Col du Loup

Highlight • Mountain Pass

superb viewpoint over the Lac du Loup

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7.62 km

Lac de Sistre

Highlight • Other

Magnificent little lake on the GR738 before reaching the Col de Sistre from Le Crozet, with a view overlooking the valley

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7.89 km

Sitre Pass

Highlight • Other

The Col de la Sitre is located at 2,130 meters above sea level and offers a superb panorama of the Chartreuse. Do not hesitate to walk the 150 meters that …

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9.44 km

Viewpoint

10.2 km

Panoramic View of Grenoble and Surroundings

Highlight • Viewpoint

16.5 km

End point

Parking

Way Types & Surfaces

Way Types

9.53 km

4.52 km

2.36 km

126 m

Surfaces

7.26 km

3.63 km

3.47 km

2.05 km

126 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,350 m)

Lowest point (1,300 m)

Weather

Monday 6 April

22°C

5°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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View of the Chartreuse Massif – Plain below Lac du Crozet loop from Les 4 Chemins

View of the Chartreuse Massif

Plain below Lac du Crozet

Lake Crozet

Lac du Loup

Col du Loup

Lac de Sistre

Sitre Pass

Panoramic View of Grenoble and Surroundings

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