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Routes
Hiking trails & Routes
France
Auvergne Rhône Alpes
Bonneville
Passy

Incredibly beautiful view! – Les Ayères fountain loop from Lac Vert

Routes
Hiking trails & Routes
France
Auvergne Rhône Alpes
Bonneville
Passy

Incredibly beautiful view! – Les Ayères fountain loop from Lac Vert

Hard

4.8

(55)

736

hikers

Incredibly beautiful view! – Les Ayères fountain loop from Lac Vert

06:11

16.7km

850m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: July 17, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 11.9 km for 33 m

Waypoints

A

Start point

Bus stop

Get Directions

1

130 m

Departure

Highlight • Other

large car park and motorhome parking, camping and treehouses

Translated by Google •

Tip by

3

1.41 km

Incredibly beautiful view!

Highlight • Other

In my opinion, one of the most beautiful views you can have on Mont Blanc. The turquoise water of the lake and the white and blue Mont Blanc fill me with awe and peace.

Translated by Google •

Tip by

4

4.29 km

Les Ayères fountain

Highlight • Other

Here there is a fountain to cool off in the middle of a hike. The water is not tested, so avoid drinking it. There is an unobstructed view of the Fiz range and the Mont-Blanc massif.

Translated by Google •

Tip by

5

4.89 km

Tête Noire

Highlight • Natural Monument

At the chalet du Souay to go to Pormenaz either go through the Chorde, going down towards the stream below which is more technical with the passage of ropes and …

Translated by Google •

Tip by

8.16 km

Réserve naturelle de Passy

Nature Reserve

7

14.0 km

Châtelet d'Ayères Refuge

Highlight • Mountain Hut

You can eat well there!

Translated by Google •

Tip by

8

14.6 km

Good trail, good walkable

Highlight • Other

9

16.3 km

to the green lake.

Highlight • Mountain Hut

start of the path to the green lake

Translated by Google •

Tip by

B

16.7 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

7.92 km

5.39 km

2.94 km

366 m

< 100 m

Surfaces

8.22 km

4.23 km

2.42 km

1.37 km

435 m

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Elevation

Elevation

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

Highest point (2,040 m)

Lowest point (1,290 m)

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Weather

Powered by Foreca

Today

Tuesday 18 August

23°C

9°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

Comments

September 19, 2024,Boucle Plaine-Joux – Lac de Pormenaz au départ de La Cote
The climb under the lake is steep, but the return is easy.

Showing Translation

Very very nice hike 😍
On the other hand to do by starting by going to Lac Vert then Pormenaz but for the latter take the path furthest to the right.
Climbing the mountain by ladders and chains, much easier going up than going down!
Then go up via the Moëde Anterne refuge and continue on the Col d'Anterne.
We …

Showing Translation

Superb tour. Don't forget to put on good shoes.
Our GPS is a bit screwed up, 880m of elevation displayed on our tour, while it seems that it is more than 720m.

Showing Translation

13.5 km loop nice to discover the lake of Pormenaz from the green lake.
Be careful, ladder passages quite impressive for vertigo and to do rather uphill. The less experienced will choose a return trip via the 4x4 track for a trouble-free journey. Count 3 good hours without any stopping. 5 hours in walk mode (with snack break and photo …

Showing Translation

Today we set off again in the best hiking weather in Plaine-Joux, an ideal starting point for hiking tours at an altitude of around 1250m.
After about 5km past Lac Vert there was a steep climb to Lac de Pormenaz at an altitude of around 1950m.
Just before Lac de Pormenaz we had to pass the first snowfield, and there …

Showing Translation

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