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France

Auvergne Rhône Alpes

Grenoble

Saint-Pierre-De-Chartreuse

Dent de Crolles – Ayes Pass loop from Cascade de Rajas

Routes

Hiking trails & Routes

France

Auvergne Rhône Alpes

Grenoble

Saint-Pierre-De-Chartreuse

Dent de Crolles – Ayes Pass loop from Cascade de Rajas

Hard

4.9

(9)

hikers

Dent de Crolles – Ayes Pass loop from Cascade de Rajas

08:09

17.0km

1,340m

Hiking

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: July 26, 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 9.52 km for 390 m

After 11.4 km for 412 m

Waypoints

Start point

Parking

Get Directions

3.64 km

Saulce Pass

Highlight • Mountain Pass

Nestled between the summits of the Scia and the southern Lance of Malissard, this small green pass is located just above the forest area where the terrain clears out as you gain altitude.

Translated by Google •

Tip by

9.50 km

Not of the eye

Highlight • Mountain Pass

Warning!
the dogs are poorly trained, so stay calm and wait for the sheep to reorganize.

Translated by Google •

Tip by

9.75 km

At the top of the Dent de Crolles (2,062 meters), the view emerges over the entire Grésivaudan valley. Second highest summit of the Chartreuse massif after Chamechaude at 2082 meters, its ascent is however more technical.

Translated by Google •

Tip by

11.4 km

Narrow Passage with Balanced Boulder

Highlight • Natural Monument

On the way up or down, this passage can be scary but is in fact not at all dangerous or exposed. However, it is better not to have too big a bag!

Translated by Google •

Tip by

11.5 km

Trou du Glaz

Highlight • Other

The Trou du Glaz is a unique place where fallen rocks seem to be suspended in the air. The entrance to the caves is worth a brief exploration and perhaps a brief respite from the sun on a hot day?

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Tip by

12.9 km

Ayes Pass

Highlight • Mountain Pass

Superb view of snow-capped mountains. Fairly frequented place, to do out of season.

Translated by Google •

Tip by

17.0 km

End point

Parking

Way Types & Surfaces

Way Types

10.1 km

3.40 km

3.10 km

376 m

Surfaces

11.6 km

5.01 km

376 m

Elevation

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

Highest point (2,020 m)

Lowest point (970 m)

Weather

Sunday 26 July

24°C

14°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

Comments

October 17, 2021,Lancés de malissard Piton de bellefond

A very beautiful day hike that allows you to afford two magnificent lookouts. Please note that access to the South Lance (T4-T5) is reserved for experienced hikers, requires the use of a rope with beginners. Access therefore at your own risk. Access to the peak is easier (T2) on the return trip. You can continue crossing the ridge to the …

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Dent de Crolles – Ayes Pass loop from Cascade de Rajas

Saulce Pass

Not of the eye

Dent de Crolles

Narrow Passage with Balanced Boulder

Trou du Glaz

Ayes Pass

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