Réserve Naturelle de la Grande Sassière, a national nature reserve in the Haute-Tarentaise region of the French Alps, offers a diverse alpine environment for outdoor pursuits. Spanning from 1,798 meters in the gorges of La Daille to 3,747 meters at the Aiguille de la Grande Sassière, its landscape features glaciated cirques, rocky terrain, scree slopes, and the Lac de la Sassière. This varied topography, including quartzites, limestones, and schists, provides a setting for several sports like hiking, road cycling, touring cycling, mountain biking, and more.
Réserve Naturelle de la Grande Sassière is a destination for outdoor activities, with 4 routes available across various sports. More than 109,000 visitors have shared their experiences, resulting in an average rating of 4.68 out of 5 stars. Hiking is a primary activity, with trails ranging from easy, signposted paths around Lac de la Sassière to challenging ascents like the Aiguille de la Grande Sassière Trail, offering significant elevation gains. For those interested in exploring on foot, the Hiking around Réserve Naturelle de la Grande Sassière guide provides further details. Cycling within the reserve is generally restricted, though a carriage road to Lac de la Sassière permits access. Mountain biking on the Aiguille de la Grande Sassière is an extremely challenging endeavor for experienced riders. Discover more options with the MTB Trails around Réserve Naturelle de la Grande Sassière and Road Cycling Routes around Réserve Naturelle de la Grande Sassière guides.
90
Routes
4.7
(356)
Average rating
8527
People visited

4.7
(49)
820
hikers
11.9km
06:21
1,360m
1,360m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

30
hikers
6.84km
02:33
220m
220m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.8
(54)
739
hikers
8.17km
02:58
220m
230m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.8
(26)
285
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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4.9
(10)
855
riders
47.2km
03:28
1,100m
1,100m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.9
(12)
432
riders
79.1km
06:20
2,090m
2,090m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
154
riders
32.1km
02:24
780m
780m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

86
riders
18.6km
01:22
430m
430m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.7
(15)
827
riders
31.8km
01:53
810m
810m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.2
(6)
651
riders
91.9km
05:23
2,280m
2,280m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.8
(9)
313
riders
22.9km
01:29
720m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(3)
484
riders
63.3km
04:07
1,960m
1,960m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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4.7
(9)
111
riders
22.4km
01:59
380m
380m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.0
(1)
97
riders
53.8km
06:53
2,430m
2,420m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

4.4
(5)
63
riders
17.9km
01:29
310m
310m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

5.0
(2)
36
riders
53.1km
05:27
1,740m
1,740m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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97
runners
17.2km
02:10
460m
460m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

37
runners
50.4km
08:43
2,940m
2,940m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

254
runners
10.3km
01:07
150m
150m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

18
runners
22.1km
03:02
640m
640m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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4.5
(2)
10
hikers
8.00km
03:27
610m
610m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

5.0
(1)
8
hikers
10.3km
05:10
710m
710m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(2)
5
hikers
6.65km
03:35
580m
580m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.5
(2)
7
hikers
6.31km
03:10
490m
490m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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The Réserve Naturelle de la Grande Sassière is a national nature reserve located in the Haute-Tarentaise region of the French Alps. It spans from 5,899 feet (1,798 meters) to 12,293 feet (3,747 meters) at the Aiguille de la Grande Sassière. The reserve is characterized by glaciated cirques, diverse geology, and significant biodiversity.
Réserve Naturelle de la Grande Sassière offers a range of outdoor activities including hiking, road cycling, touring cycling, mountain biking, jogging, and mountaineering. The reserve features routes for various skill levels across these sports. More information can be found in guides like Hiking around Réserve Naturelle de la Grande Sassière.
Yes, the reserve offers easy, signposted routes suitable for families and those seeking a tranquil experience. An example is the approximately 4.3-mile (7 km) loop around Lac de la Sassière, which has an elevation gain of about 656 feet (200 meters). For more options, consult the Easy hikes around Réserve Naturelle de la Grande Sassière guide.
Challenging options include the Aiguille de la Grande Sassière Trail, which is a difficult 7.4-mile (11.9 km) hike with 4,462 feet (1,360 meters) of elevation gain. The summit of Aiguille de la Grande Sassière, at 12,293 feet (3,747 meters), is noted as one of the highest hikes in France accessible without specialized mountaineering equipment late in the summer season. Explore more with the Mountain Hikes around Réserve Naturelle de la Grande Sassière guide.
Cycling is generally prohibited within the reserve to protect its natural heritage, with one exception. Cycling is permitted on the carriage road that leads from the parking lot to Lac de la Sassière. The wider region surrounding the reserve offers numerous opportunities for road and touring cyclists.
Mountain biking is permitted on the carriage road to Lac de la Sassière. The Aiguille de la Grande Sassière is considered one of the highest 'ridable' peaks in the Alps for experienced mountain bikers, though it is extremely challenging and often requires carrying the bike. Further details are in the MTB Trails around Réserve Naturelle de la Grande Sassière guide.
The reserve features expansive glaciated cirques, rocky environments, scree slopes, cliffs, and glaciers. Notable natural features include the picturesque Lac de la Sassière and the summit of Aiguille de la Grande Sassière. The area also encompasses natural meadows, pastures, and unique wetland environments.
The reserve is a vital habitat for alpine fauna, including significant populations of Alpine ibex (bouquetin des Alpes), chamois, and marmots. It is also a privileged feeding ground for golden eagles and bearded vultures. Marmot populations have been the subject of scientific studies in the area since the 1990s.
Yes, the reserve offers easy, signposted routes, such as the loop around Lac de la Sassière, which are ideal for families. These paths allow for observation of chamois, ibex, and marmots. Parts of the trails are also accessible for people with reduced mobility during summer. Consult the Family-friendly hikes around Réserve Naturelle de la Grande Sassière guide.
Réserve Naturelle de la Grande Sassière is a popular destination on komoot, with more than 109,000 visitors having shared their experiences. The routes available have an average rating of 4.68 out of 5 stars. This indicates a high level of satisfaction among users.
Information about the reserve can be found on the Réserves Naturelles de France website. More detailed information and contact options are also available through the Parc national de la Vanoise website, which manages the reserve. The general contact number for the Parc national de la Vanoise is 04 79 62 30 54.
The provided information does not specify the exact dog policy for Réserve Naturelle de la Grande Sassière. Visitors should check the official website of the Parc national de la Vanoise or contact them directly for current regulations regarding dogs in the reserve.

