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Description
Map
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Hiking route : Lac de Portette trail

View of Lac de Portette
View of Lac de Portette
Lac de Portette, La Plagne Valley
Hiking route : Lac de Portette trail
Credit : Audrey Husianycia

IGN cards

Description

A beautiful hike to a high-altitude lake with a view of the Vanoise massif

Along the way, discover the Chalet du Mont Rosset, a mountain chalet where they make the "Prince" of Gruyère cheeses: Beaufort cheese!

Technical Information

Walking
Difficulty
Medium
Duration
5h
Dist.
10 km
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Altimetric profile

Starting point

Chapelle St Guérin Foran La Côte d'Aime , 73210   La Plagne Tarentaise
Lat : 45.605843Lng : 6.674118

Points of interest

Additional information

Environments

Riverside
Mountain view
Mountain location
Close to GR footpath
Waterside

Updated by

Office de Tourisme de la Grande Plagne - 06/08/2025
www.la-plagne.com
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Open period

From 01/06 to 15/10 daily.
Subject to weather conditions.

Type of land

Rock
Stone
Ground
Not suitable for strollers

Contact

Email : si.lacotedaime@free.fr

Reception complements

Safety rules
• Check the weather forecast before you leave.
• Avoid going alone. Tell someone that you are leaving and your planned route.
• Don't forget to drink, eat and take breaks during the hike.
Equipment
• Wear good shoes and clothes that are suitable for the mountains.
• Take with you: sun cream, hat, sunglasses, warm clothes and rain gear, a mobile phone in case of problems.
• Take a map with you. This map is given as an indication, it does not replace the IGN maps.
Good conduct
• Stay on the marked paths and avoid the hayfields.
• Respect the environment.
• Watch out for herds of animals, keep your dog on a lead.
• Please take your litter with you.

In case of accident: 112 or 18
Weather: 32 50

Guidebook with maps/step-by-step

0/ Set off from St Guérin chapel
1/ Go towards the Chalet du Mont Rosset
2/ Fork towards the lake 15 minutes after passing the Chalet du Rosset on your left.
3/ Follow the path towards the lake.
4/ You can continue to climb to Col de la Charbonnière in 30 mins for an additional 150m of elevation gain.

Animals

Yes

Data author

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Caution!
We have no information on the difficulty of this circuit. You may encounter some surprises along the way. Before you go, please feel free to inquire more and take all necessary precautions. Have a good trip! 🌳🥾