Green Lake – Lac de Pormenaz loop from Lac Vert
Green Lake – Lac de Pormenaz loop from Lac Vert
4.5
(2)
13
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: August 3, 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
48 m
Plaine-Joux Parking
Highlight • Parking
Translated by Google •
Tip by
1.58 km
Green Lake
Highlight • Forest
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
Translated by Google •
Tip by
9.63 km
Châtelet d'Ayères Refuge
Highlight • Mountain Hut
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
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Sign up for freeElevation
Highest point (1,960 m)
Lowest point (1,270 m)
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Sign up for freeWeather
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Saturday 10 October
7°C
1°C
0 %
Additional weather tips
Max wind speed: 5.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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