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Green Lake – Lac de Pormenaz loop from Lac Vert

Routes

Mountain hikes & routes

Green Lake – Lac de Pormenaz loop from Lac Vert

Hard

4.5

(2)

hikers

Green Lake – Lac de Pormenaz loop from Lac Vert

05:06

12.4km

760m

Mountaineering

Hard mountaineering route. 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: April 24, 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 5.18 km for 713 m

After 6.88 km for 713 m

Waypoints

Start point

Bus stop

Get Directions

48 m

Plaine-Joux Parking

Highlight • Parking

Arriving or leaving Plaine-Joux, take a moment in the car to admire the surroundings: the alpine landscape that you have or will travel.

Translated by Google •

Tip by

1.58 km

Green Lake

Highlight • Forest

Very beautiful lake in the forest. Green color, hence the name. Mont Blanc is reflected in it.
Even in winter, when it's frozen over and covered in deep snow, it's simply fantastic!

Translated by Google •

Tip by

6.06 km

Ladders on the Via Ferrata

Highlight • Climb

6.30 km

Lac de Pormenaz

Highlight • Lake

Unfortunately, due to French national park rules, dogs are not allowed to cross the trail - not even if they are on a leash. Camping is also prohibited.

Translated by Google •

Tip by

9.63 km

Châtelet d'Ayères Refuge

Highlight • Mountain Hut

You can eat well there!

Translated by Google •

Tip by

12.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.46 km

3.53 km

2.69 km

501 m

165 m

Surfaces

4.62 km

3.02 km

2.05 km

1.99 km

666 m

Elevation

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

Highest point (1,960 m)

Lowest point (1,270 m)

Weather

Monday 18 May

7°C

-2°C

12 %

Additional weather tips

Max wind speed: 3.0 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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Green Lake – Lac de Pormenaz loop from Lac Vert

Plaine-Joux Parking

Green Lake

Ladders on the Via Ferrata

Lac de Pormenaz

Châtelet d'Ayères Refuge

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