Réserve naturelle de Passy, a national nature reserve in the heart of the Mont-Blanc massif in Haute-Savoie, France, offers a diverse landscape for outdoor activities. This area is characterized by a striking geological contrast between the crystalline rocks of Pormenaz and the calcareous cliffs of the Fiz mountain range, creating varied environments from forests and alpine meadows to heathlands and wetlands. Ranging in altitude from approximately 1,347 meters to 2,901 meters, the reserve provides a setting for several sports like…
166
Routes
4.6
(953)
Average rating
15906
People visited

4.8
(43)
741
hikers
19.8km
08:07
1,730m
1,730m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

4.8
(5)
98
hikers
23.5km
11:59
1,970m
1,970m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.6
(118)
874
hikers
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.6
(68)
808
hikers
3.94km
01:12
130m
130m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
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4.0
(11)
375
riders
61.7km
04:25
1,220m
1,220m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.8
(13)
229
riders
35.3km
02:28
140m
140m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.4
(9)
122
riders
25.8km
01:45
120m
120m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

96
riders
110km
07:17
1,510m
1,510m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(2)
29
riders
22.1km
03:18
1,270m
1,270m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

1
riders
11.3km
01:30
580m
580m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.5
(11)
81
riders
22.8km
02:57
1,060m
1,060m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

43
riders
16.6km
02:04
710m
710m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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4.7
(12)
706
riders
68.2km
04:08
1,660m
1,660m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

4.5
(30)
506
riders
33.3km
01:54
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.7
(6)
412
riders
62.0km
03:35
1,340m
1,340m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(2)
218
riders
63.5km
03:34
1,280m
1,280m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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427
runners
24.2km
04:07
1,420m
1,420m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(3)
214
runners
16.9km
02:50
950m
940m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.8
(4)
220
runners
9.07km
01:15
360m
360m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.0
(2)
119
runners
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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4.0
(4)
44
riders
18.8km
01:08
110m
110m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.5
(4)
41
riders
43.8km
03:14
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
riders
15.1km
01:06
170m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
5
riders
9.27km
00:57
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(5)
19
hikers
9.06km
02:56
360m
360m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.0
(3)
19
hikers
17.4km
06:51
980m
980m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

5.0
(1)
17
hikers
9.33km
04:53
880m
880m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(2)
11
hikers
12.3km
05:19
810m
810m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Réserve naturelle de Passy is a national nature reserve situated in the Mont-Blanc massif in Haute-Savoie, France. It covers approximately 1,800 hectares and features altitudes ranging from 4,419 feet (1,347 meters) to 9,518 feet (2,901 meters). The reserve is characterized by its geological diversity, showcasing both crystalline and calcareous rock formations.
Réserve naturelle de Passy offers a variety of outdoor activities, including Hiking, Road cycling, Touring cycling, Mountain biking, Jogging, Gravel biking, and Mountaineering. The reserve's diverse terrain supports routes suitable for different interests and skill levels. More information can be found in guides like Hiking around Réserve naturelle de Passy.
Yes, Réserve naturelle de Passy provides hiking trails ranging from moderate walks to more challenging mountaineering routes. The Lac Vert trail offers an easier option, while the Les Ayères fountain loop is a more demanding route. For family-friendly options, consult the Family-friendly hikes around Réserve naturelle de Passy guide.
The reserve is known for its dramatic geological contrasts, including the calcareous cliffs of the Fiz mountain range and the older siliceous rocks of Pormenaz. Prominent high-altitude lakes include Lac de Pormenaz and Lac Vert, which is recognized for its emerald color. The area also offers panoramic views of the Mont-Blanc massif and the Aiguilles Rouges.
Yes, Plaine-Joux is a notable area for mountain biking within Réserve naturelle de Passy, featuring marked trails through forests and mountains. These trails cater to both technical challenges and more relaxed rides. For detailed routes, refer to the MTB Trails around Réserve naturelle de Passy guide.
The commune of Passy offers a variety of routes for road and touring cyclists, traversing magnificent alpine landscapes. The diverse terrain of mountains and valleys makes it suitable for exploring the region's natural beauty on two wheels. Guides such as Road Cycling Routes around Réserve naturelle de Passy provide specific options.
Réserve naturelle de Passy exhibits exceptional floristic richness, with more than 530 species of flora, including rare varieties like the Saint-Bruno Lily. The fauna is typical of high-mountain areas, featuring chamois, ibex, marmots, and various bird species such as golden eagles. This diversity is supported by the contrast between dry and humid environments and varied slopes.
Réserve naturelle de Passy is a popular destination on komoot, with more than 862,000 visitors sharing their experiences. The routes in the reserve have an average rating of 4.58 out of 5 stars from over 60,500 ratings. There are 5 routes available across various sports.
Yes, Réserve naturelle de Passy offers options suitable for families, including easier hiking trails like the Lac Vert trail. Some mountain biking trails are also designed for more relaxed, family-friendly rides. The Family-friendly hikes around Réserve naturelle de Passy guide provides specific recommendations.
Komoot offers several guides for Réserve naturelle de Passy, covering various activities and interests. Examples include Hiking around Réserve naturelle de Passy, Family-friendly hikes around Réserve naturelle de Passy, and MTB Trails around Réserve naturelle de Passy. These guides provide detailed information on routes and activities.
The Réserve naturelle de Passy is managed by Asters – Conservatoire des espaces naturels de Haute-Savoie. The official website is www.cen-haute-savoie.org. For inquiries, the phone number for the Chalet d'accueil de la réserve naturelle is +33 (0)4 50 90 23 07.

