4.5
(770)
6,205
hikers
250
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.
Last updated: May 12, 2026
4.4
(30)
149
hikers
11.8km
03:33
230m
230m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.4
(19)
93
hikers
9.97km
03:01
200m
200m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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4.4
(20)
65
hikers
5.76km
01:42
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(3)
39
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(2)
11
hikers
14.8km
04:25
320m
320m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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The little road that goes down from Cholonge is great and on arrival you have a superb view of Lake Lafrey
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The little road that goes down from Cholonge is great, on arrival you have a superb view of the lake
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The turquoise and emerald hues of this lake make it an essential place to swim or enjoy the facilities around the lake. Here you will find water sports, restaurants and wildlife.
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Panorama on the Great Lake of Laffrey 🤩 Many explanatory panels
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A better route to take that avoids the busy main road. There are very nice panoramic views of Lac de Laffrey below.
1
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Very beautiful natural lake. ideal for swimming and water sports.
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.


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