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France
Auvergne Rhône Alpes
Grenoble

Grand Lac de Laffrey

The best walks and hikes around Grand Lac de Laffrey

4.5

(824)

6,602

hikers

258

hikes

Hiking around Grand Lac de Laffrey, located on the Matheysine plateau south of Grenoble, offers diverse landscapes characterized by glacial lakes, dense forests, and expansive pastures. The region features several "sapphire lakes" such as Grand Lac de Laffrey, Pierre-Châtel, Pétichet, and Lac Mort, remnants of the Ice Age. Trails traverse environments ranging from lush woodlands of beech and fir to mineral landscapes, providing varied terrain for hikers. Panoramic views of surrounding mountain ranges like Chartreuse, Vercors, and Belledonne are common from many viewpoints.

Best hiking trails around Grand Lac de Laffrey

  • The most popular hiking route is Around the grand lac de Laffrey and lac Mort, a 7.4 miles (11.8 km) trail that takes 3 hours 33 minutes to complete. This route offers views of both Grand Lac de Laffrey and Lac Mort.
  • Another top favourite among local hikers is Lac Mort loop from Laffrey, an easy 3.6 miles (5.8 km) path. This trail provides a gentle walk around Lac Mort, suitable for a shorter outing.
  • Local hikers also love the Lac de Laffrey – View of Lac de Petichet loop from Saint-Théoffrey, a 4.8 miles (7.7 km) trail leading through varied terrain with views of Lac de Petichet, often completed in about 2 hours 18 minutes.
  • Hiking around Grand Lac de Laffrey is defined by glacial lakes, dense forests, and panoramic mountain views. The network offers options for all ability levels, from easy lakeside strolls to more challenging routes with significant elevation gain.
  • The routes in Grand Lac de Laffrey are highly rated by the komoot community with an average score of 4.5 stars from over 800 reviews. More than 6000 hikers have used komoot to explore Grand Lac de Laffrey's varied terrain.

Last updated: June 25, 2026

4.4

(36)

169

hikers

#1.

Around the grand lac de Laffrey and lac Mort

11.8km

03:33

230m

230m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

4.4

(20)

70

hikers

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate
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Popular around Grand Lac de Laffrey

The Alps trail – UT4M off

Great e-bike routes in Isère, France

Running Trails around Grand Lac de Laffrey

Road Cycling Routes around Grand Lac de Laffrey

Cycling around Grand Lac de Laffrey

MTB Trails around Grand Lac de Laffrey

Mountain Hikes around Grand Lac de Laffrey

Gravel biking around Grand Lac de Laffrey

Other adventures around Grand Lac de Laffrey

The Alps trail – UT4M off

Running Collection by

Fred Urrutia

Tips from the Community

Bernard Juanola
August 23, 2025, Vue sur le lac

Original route modified when arriving on the road, cross and take the path opposite 1200m further in the very nice forest

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Very beautiful panorama once you arrive at the Pierre Percée!

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I did it on gravel, climbing via the Aveillans hill (west), it was fine. Direct descent to Putteville, very limited at the beginning on gravel, much steeper but it was fine.

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Carole
November 4, 2024, La Pierre Percée

1st part very smooth and very pleasant, 2nd part much more technical with a nice climb on a very greasy muddy path, steep slopes and quite technical descents. The final does not take the greenway recently set up and which allows you to avoid the road.

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ericE
October 6, 2024, La Pierre Percée

beautiful course, technical, D+ beautiful singles

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Vette
August 10, 2024, La Pierre Percée

Very nice walk. Beautiful site.

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Jd38
April 12, 2023, La Pierre Percée

Magnificent view and pretty paths

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Nice campsite

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Frequently Asked Questions

How many hiking trails are available around Grand Lac de Laffrey?

There are over 250 hiking trails around Grand Lac de Laffrey, offering a wide variety of options for all skill levels. The komoot community has rated these routes highly, with an average score of 4.5 stars from over 800 reviews.

Are there easy hiking trails suitable for families or beginners?

Yes, Grand Lac de Laffrey offers many easy trails perfect for families and beginners. For example, the Lac Mort loop from Laffrey is an easy 3.6-mile (5.8 km) path, providing a gentle walk around Lac Mort. The region features 60 easy routes in total, many of which are lakeside strolls.

What kind of landscapes can I expect to see while hiking around Grand Lac de Laffrey?

Hikers can experience diverse landscapes, from lush green surroundings and dense forests of beech, fir, and ash trees to more mineral landscapes and expansive pastures. The area is characterized by its stunning glacial lakes, including Grand Lac de Laffrey, Pierre-Châtel, Pétichet, and Lac Mort, which create picturesque scenery.

Are there any circular hiking routes around the lakes?

Yes, there are several circular routes. A popular option is Around the grand lac de Laffrey and lac Mort, a 7.4-mile (11.8 km) trail that takes about 3 hours 30 minutes and offers views of both lakes. Another is the Lac Mort – Grand Lake of Laffrey loop from Saint-Théoffrey, which is a longer 14.4 km route.

What are the best viewpoints or panoramic spots along the trails?

Many trails provide remarkable viewpoints. The Olivier Messiaen Panorama offers expansive vistas of the lake and surrounding mountains. Hikers can also find paths leading to areas with views of Grenoble, the Vercors plateau, Rocher de l'Ours, and Roc Cornafion. The Olivier Messiaen Panorama – View of Lac de Petichet loop from Saint-Théoffrey is a great route to experience these views.

Can I bring my dog on the hiking trails around Grand Lac de Laffrey?

Generally, dogs are welcome on many trails around Grand Lac de Laffrey, but it's always recommended to keep them on a leash, especially in natural reserves or areas with livestock. Specific regulations may apply in certain protected zones, so it's advisable to check local signage.

What is the best time of year to go hiking in this region?

The Grand Lac de Laffrey region is beautiful for hiking from spring through autumn. Spring brings lush greenery and blooming wildflowers, while summer offers pleasant temperatures for lakeside walks and water activities. Autumn provides stunning foliage. Winter hiking is possible, but some higher trails may be challenging due to snow and ice.

Are there any historical sites or attractions to see while hiking?

Yes, the lakes lie along the historic Route Napoléon. The Prairie de la Rencontre on the shores of Grand Lac de Laffrey features an equestrian statue commemorating a pivotal moment in Napoleon's return from exile, offering a glimpse into the region's past.

What other activities are available besides hiking around Grand Lac de Laffrey?

Beyond hiking, the clear, cool waters of the lake are perfect for swimming, paddleboarding, windsurfing, canoeing, and rowing, with rentals often available. The area also has pebble beaches, restaurants serving local lake fish, and camping facilities.

Where can I find parking for the trailheads?

Parking is generally available near the main trailheads and villages surrounding Grand Lac de Laffrey, such as Laffrey and Saint-Théoffrey. Specific parking information for individual routes can often be found on the respective komoot tour pages.

What wildlife might I encounter on the trails?

The diverse ecosystems around Grand Lac de Laffrey offer opportunities for wildlife observation. The Pivodière marsh is a notable natural feature, particularly for observing rare dragonflies. In the nearby Vercors mountains, accessible from the area, you might even spot ibex.

Are there options for longer, more challenging hikes?

Yes, while there are many easy options, the region also caters to more experienced hikers with challenging, multi-hour treks. The area features 149 moderate and 44 difficult routes, some with significant elevation gain, leading to higher viewpoints and through varied mountain terrain.

Most popular routes around Grand Lac de Laffrey

Family-friendly hikes around Grand Lac de Laffrey

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