The Wind Rock

The Rocher du Vent is an impressive rock formation offering a bird's eye view of Lake Roselend, near the Cormet de Roselend. The route described here is unusual as it goes through a tunnel and then along a balcony path, so it is only suitable for walkers who are not afraid of heights or claustrophobia! Others can still discover the site by cutting across to the Lauze chalet.

Details

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Creation:
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  • Walking
    Activity: Walking
  • ↔
    Distance: 8.79 km
  • ◔
    Average duration: 4h 15 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 602 m
  • ↘
    Descent: - 607 m

  • ▲
    Highest point: 2,337 m
  • ▼
    Lowest point: 1,809 m

Photos

Description of the walk

Park in the car park near the Refuge du Plan de la Lai.

(S/E) Take the path that leads to the Plan de la Lai chalets, cross the footbridge and quickly return to the crossroads.

(1) Take the path on the left and head towards La Plate. From there, a steep path climbs towards Rocher du Vent.
You will arrive at the Lauze chalet.

(2) Turn onto the path that branches off to the left towards the southern ridge of the Rocher. You will quickly reach the entrance to the tunnel on a small ledge at the foot of the cliff.
Important note: In the tunnel, watch your head as the ceiling is low in places and there is no daylight throughout!
On the other side of the tunnel, you will literally be overlooking the lakes of Roselend and La Gittaz. The trail goes all the way around the Rocher du Vent, almost entirely along a steep ledge.
_This trail may be vertiginous for some people_
Following rockfalls reported in spring 2024, it is advisable to avoid this balcony trail and reach the Rocher du Vent via the descent route from the Chalet de la Lauze

(3). After a few hundred metres, a small path climbs straight up towards a canyon in the cliff. It is interesting but only suitable for very experienced hikers who are not easily impressed.
It is strongly recommended to stay on the normal trail and reach the ridge a little after the cliff, as mentioned on the route map.

(4) Climb up to the right to the pass (2,330 m).

(5) From the pass, stay on the west-facing ridge to visit the "inside" of the Rocher du Vent, as it is crossed by a kind of canyon, and even in the middle of summer there is a large snowfield. If the ridge trail looks daunting, another trail passes lower down to reach the canyon.

(6) Visit the "inside" of the Rocher du Vent, as it is crossed by a kind of canyon, and even in the middle of summer there is a large snowfield (except in August 2022).
Begin the descent to return to the Lauze crossroads.

(7) Turn left and follow a nearly horizontal path to reach the Bel Air chalet.

(8) Take the alpine track on the right that follows theGR®5andGRP® du Tour du Beaufortain trails to return to the initial crossroads below.

(1) Follow the same route as on the way there to return to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,820 m - Parking Map of La Lai - Refuge du Plan de la Lai
  2. 1 : km 0.51 - alt. 1,813 m - Crossroads of the loop
  3. 2 : km 2.39 - alt. 2,163 m - La Lauze
  4. 3 : km 3.02 - alt. 2,209 m - Canyon junction after the tunnel
  5. 4 : km 4.19 - alt. 2,228 m - Crossroads on the ridge
  6. 5 : km 4.62 - alt. 2,329 m
  7. 6 : km 5.11 - alt. 2,316 m
  8. 7 : km 5.66 - alt. 2,179 m
  9. 8 : km 6.44 - alt. 2,147 m - Bel Air
  10. S/E : km 8.78 - alt. 1,820 m - Parking Map of La Lai

Notes

The Rocher du Vent (Wind Rock) lives up to its name, so be sure to bring a good windbreaker, even in the middle of summer when the weather is fine.
Don't forget a headlamp or torch for the tunnel.
At the beginning of the season (June and sometimes early July), the trail is sometimes still a little snowy on the other side of the tunnel, so it is strongly advised not to take it in this case. Turning back is not a failure but a matter of caution!
As the hike is on the edge of the map, take the 3531OT if you have it. It is not essential but may be useful.

Worth a visit

If you have via ferrata equipment, you can treat yourself to a beautiful climb on the Rocher du Vent.
You can also stop at the Chalet du Cormet (just below the Cormet de Roselend), where you will find cheese, charcuterie and other local souvenirs.

Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.7 / 5
Based on 73 reviews

Reliability of the description
4.6 / 5
Ease of following the route
4.7 / 5
Route interest
4.9 / 5
christine R
christine R

Overall rating : 4.3 / 5

Date of your route : Aug 11, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

the difficulty of the balcony trail in dry weather seemed greatly overestimated to me.
Otherwise, no problems

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cpepper
cpepper

Overall rating : 5 / 5

Date of your route : Aug 11, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A beautiful hike with stunning views.
Be careful after the tunnel, as there are a few tricky and potentially slippery sections.

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smashdc
smashdc
• Edited:

Overall rating : 5 / 5

Date of your route : Aug 10, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

This ride is part of my Savoyard epic: 240 km & 15,804 m D+/D- (early return 3 days before, foggy weather and/or rain with falling temperatures)

The weather was average in the region, except at Cormet de Roselend :-o
Cormet: Pass between two mountains.
If it's too cloudy at the Grande Berge lookout in the morning, it's less cloudy in the afternoon at the telephone box lookout and at the Rocher du Vent, which lives up to its name!
A bird's eye view of Lake Roselend from Le Cormet de Roselend!
The climb to the tunnel isn't easy, but the route is generally passable (wide, passable tracks), although there are a few dirt and muddy paths. It's quite a climb considering the distance!

The tunnel is about 200m long and no more than 1.60m high, I'd say, and then there's a balcony path: this is for walkers who are not afraid of heights or who are hardened and used to the terrain. When you come out of the tunnel, it's already a foretaste, as there are quite often landslides.
I saw several people turn back. But there's still a great view of Lac de la Gittaz ;-)
Frankly, I found it quite tricky and very windy... Terrain often slopes in the direction of the slope, not very wide and sometimes unstable. Type: dirt and gravel from a driveway (see video). It's soft!
And it's a long way, especially up to the Col de l'Aup, where there's a steep climb ahead!
But it's still a great hike with tip-top views!
.
9.1 km & 473 m D+/D- && 8.3 km & 573 m D+/D-
September 2024

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Jerome chambery
Jerome chambery

Overall rating : 4.7 / 5

Date of your route : Sep 02, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Superb hike at the end of August. Lots of people on the route despite the difficult sections, particularly at the tunnel exit.
A must-do for the panoramic views of Roselend, Lac de la Guittaz and Mont Blanc.

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JOSETTE25
JOSETTE25

Overall rating : 5 / 5

Date of your route : Aug 22, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Magnificent scenery, with views of the Roselend and Gittaz lakes after the tunnel.
However, following the landslides, some tricky sections between the tunnel and the junction to climb to the pass, but doable.
The view from inside the "Rocher du vent" is breathtaking.

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Faver
Faver

Overall rating : 5 / 5

Date of your route : Aug 05, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Yes, lots of people, no risk of taking the wrong route!
A local hiker advised me not to take the path around the rock, so I didn't take it and didn't see the tunnel. I made do with the canyon, with its névés and its viewpoint, which was very pretty, and on the way back up to the ridge, I got a view of Mont Blanc, which was quite clear that day!
But it was very busy... To be done very early, or out of season!

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kyte
kyte
• Edited:

Overall rating : 4.7 / 5

Date of your route : Aug 21, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

I can confirm the recommendations for caution.
We were alone at the end of the afternoon on the full loop route. The vast majority of hikers go as far as the tunnel exit and then turn back. The part after the tunnel was very, very tricky. The scree after the tunnel was fine. But after that, it was very, very complicated. The path was very deteriorated, sloping and very slippery. Without the miraculous help of William Bon-Mardion (the last winner of the Pierra-Menta) and his colleague from the refuge, we would have been stuck. Thank you to them for helping us over the difficult section.
So, caution to all hikers who want to do the whole loop!
As far as the tunnel exit, however, no worries.

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Gibus01
Gibus01

Overall rating : 4.7 / 5

Date of your route : Aug 19, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

One of the two best views of Lake Roseland from a curiosity: a tunnel dug in the 1920s.

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the_dahut
the_dahut

Overall rating : 5 / 5

Date of your route : Jul 25, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Very popular hike: magnificent panoramic views of the 2 lakes and Mont Blanc.

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kalubot
kalubot

Overall rating : 4.7 / 5

Date of your route : Jul 09, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

I hiked today and I can confirm the previous messages about the path after the tunnel. Despite everything, once you've passed the mini scree slope created by the mudslides just after the tunnel with extreme caution, the rest of the path is easier, even if the mudslides did a lot of damage. It's possible to go through it, but again with extreme caution. We only came across a family of 4 with teenagers. It's worth the effort as it's the most beautiful part with an unbeatable view of the two lakes, but once again, be very careful as the trail is still dangerous for inexperienced hikers. All in all, a very nice hike with a more peaceful return through the mountain pastures and a cold drink at the bar/refuge next to the car park where they're lovely!

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Pierrot
Pierrot ★

Thank you for your comments and your vigilance! It's been a snowy winter and a rainy spring, and many Alpine valleys have suffered major flooding this year, so I'm not surprised that this path has suffered some damage.

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Claude des Mollettes
Claude des Mollettes

Overall rating : 4.7 / 5

Date of your route : Jun 27, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A lovely hike, always appreciated for its views of both Roselend and Gittaz lakes. However, I would like to confirm Stéphanie's comment that between point 3 after the tunnel and point 4, the path is difficult to walk on, due to the snow flows that have erased the path, the presence of snowdrifts and slippery ground. As an alternative, more athletic climbers can go up to the left after the tunnel, along a fairly steep track that quickly leads into the summit canyon. Good footwear is essential. Remains of snow should clear fairly quickly.

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staphaniie_e
staphaniie_e

Overall rating : 4.5 / 5

Date of your route : Jun 27, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : Not used / Not applicable
Very busy route : No

Be careful, we followed the original route, but a few metres after leaving the tunnel, the terrain is uneven (mud slides, landslides, etc.). The path is no longer visible, which makes the walk very dangerous!
It's best to go through the tunnel to admire the view when you come out and then turn around to go to the Rocher du Vent via the south face.
The panorama is majestic over Lac de Roselend and the entire Beaufortain valley.

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Sylvianne
Sylvianne
• Edited:

Overall rating : 3.3 / 5

Date of your route : Aug 23, 2023
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

Hello
Easy walk... not sensational... but I've wanted to do it for a long time!
Now I've done it.
The tunnel is fun... the view of the two dams is superb...

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sandykiki
sandykiki
• Edited:

Overall rating : 5 / 5

Date of your route : Aug 19, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Great route with an early morning start to avoid climbing in the sun as there are no trees at this altitude. But just past the tunnel, Magic had a great view of Lac de Roselend (hello Mr Chamois). However, after the tunnel, the path is very narrow in the scree. Be careful with the children and arriving at the top in the Rocher du vent passage too nice this time if (Mme Chamois).
It's also great to see people on the vertiginous Via Ferrata.
Top
Thank you VISORANDO

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