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Routes
Running trails & routes
France
Auvergne Rhône Alpes
Bonneville
Le Petit-Bornand-Les-Glières

Lessy lake – Col de la Forclaz loop from Glières-Val-de-Borne

Routes
Running trails & routes
France
Auvergne Rhône Alpes
Bonneville
Le Petit-Bornand-Les-Glières

Lessy lake – Col de la Forclaz loop from Glières-Val-de-Borne

Hard

26

runners

Lessy lake – Col de la Forclaz loop from Glières-Val-de-Borne

02:26

13.1km

1,000m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Last updated: April 16, 2026

Waypoints

A

Start point

Get Directions

1

6.16 km

Lessy Refuge

Highlight • Mountain Hut

The Lessy refuge is located in a true natural setting, surrounded by the Aiguille Verte and the Jalouvre peak. You can eat and spend the night there. It's a pretty incredible spot to rest after a good day of hiking!

Translated by Google •

Tip by

2

6.58 km

Le Buclon

Highlight • Summit

3

6.68 km

Lessy lake

Highlight • Lake

It is a superb alpine lake, located at an altitude of 1,730 meters at the foot of the Aiguille Verte. A peaceful corner in the heart of the Aravis massif.

Translated by Google •

Tip by

4

7.75 km

Col de la Forclaz

Highlight • Mountain Pass

The Col de la Forclaz is located at an altitude of 1,844 meters. From there, we have an incredible view of Lake Lessy and the surrounding peaks.

Translated by Google •

Tip by

B

13.1 km

End point

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Way Types & Surfaces

Way Types

10.7 km

1.46 km

829 m

< 100 m

Surfaces

9.02 km

3.18 km

708 m

121 m

< 100 m

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Elevation

Elevation

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Weather

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Thursday 9 July

29°C

16°C

-- %

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