Nature Reserves in Bonneville
Nature Reserves in Bonneville
Nature Reserve Guide
The Arrondissement of Bonneville is home to 6 national nature reserves located within the Haute-Savoie department of the French Alps. These protected areas encompass high-alpine environments, including glaciers, forests, and dramatic mountain landscapes in massifs like Mont-Blanc and the Aiguilles Rouges. The terrain offers a wide range of human-powered outdoor activities, with a focus on hiking, mountaineering, and various forms of cycling. More than 900 routes are available across these reserves, providing options for different skill levels and interests.
922
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4.5
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Average rating
92K+
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Last updated: April 23, 2026

4.4
(1062)
21,008
hikers
Réserve naturelle du vallon de Bérard is a national nature reserve in the French Alps, offering hiking and jogging routes amidst dramatic glacial landscapes.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling

4.5
(855)
17,691
hikers
Réserve naturelle des Aiguilles rouges offers diverse landscapes opposite Mont-Blanc, with varied terrain for mountain biking, hiking, jogging, and road cycling routes.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling

4.6
(1008)
17,451
hikers
Réserve naturelle de Passy offers diverse landscapes in the Mont-Blanc massif for hiking and cycling, with varied terrain from forests to alpine meadows.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling

4.5
(838)
15,035
hikers
Réserve naturelle de Carlaveyron is a national nature reserve in the Aiguilles Rouges massif, offering diverse alpine landscapes for hiking, cycling, and jogging.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling

4.5
(762)
13,860
hikers
Réserve Naturelle de Sixt-Passy is a national nature reserve in Haute-Savoie, France, offering diverse terrain for hiking, mountain biking, and road cycling routes.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling

4.5
(366)
7,247
hikers
Réserve Naturelle des Contamines-Montjoie is France's highest nature reserve, offering diverse terrain from glaciers to forests for hiking, biking, and mountaineering.
Hiking
Running
Mountaineering
Mountain biking
Gravel riding
Road cycling
Cycling
The nature reserves in the Arrondissement of Bonneville are six designated national nature reserves located in the Haute-Savoie department of the French Alps. These protected areas, such as the Réserve naturelle des Aiguilles rouges, safeguard high-alpine environments including glaciers, forests, and mountain landscapes. They are managed to protect rare species and significant geology while providing opportunities for outdoor recreation.
The primary activities are human-powered outdoor sports. Across the six reserves, there are nearly 1,000 routes available for hiking, mountain biking, and road cycling. Mountaineering and trail running are also common activities within the alpine terrain.
The collection includes six French national nature reserves. These are the Réserve naturelle des Aiguilles rouges, Réserve Naturelle de Sixt-Passy, Réserve Naturelle des Contamines-Montjoie, Réserve naturelle du vallon de Bérard, Réserve naturelle de Carlaveyron, and Réserve naturelle de Passy.
There are hundreds of hiking trails across the reserves, ranging from easy walks to challenging mountain hikes. For example, the Réserve naturelle de Carlaveyron contains over 70 hiking routes. The terrain varies from forested paths and alpine meadows to rocky, high-altitude trails with significant elevation gain.
Yes, mountain biking is a popular activity in the region's reserves. The Réserve Naturelle de Sixt-Passy offers a selection of mountain bike trails through its expansive landscape. Routes are available for various skill levels, including options for both cross-country and gravel biking.
The trails in Bonneville's nature reserves vary widely in difficulty, from beginner-friendly paths to expert-level mountaineering routes. The terrain is mountainous, featuring steep ascents, rocky sections, and high altitudes. Trail conditions are subject to weather and can include snow and ice, particularly at higher elevations outside of the summer season.
Yes, while many routes are challenging, there are options suitable for families and beginners. Lower-elevation trails in reserves like the Réserve naturelle de Passy often feature less strenuous paths through forests and meadows. It is advisable to check the specific difficulty, distance, and elevation profile of a route before starting.
The prime season for hiking and cycling is typically from late spring to early autumn, when most trails are free of snow. Summer offers the most access to high-altitude routes. Winter is the main season for snow sports, and many hiking trails will be inaccessible or require specialized equipment.
Regulations regarding dogs can vary significantly between French national nature reserves to protect wildlife. In many reserves, dogs are not permitted, even on a leash. It is essential to check the specific rules for each reserve, such as the Réserve Naturelle des Contamines-Montjoie, before planning a visit with a pet.
The protected alpine ecosystems are home to a variety of wildlife. Species commonly found in the Haute-Savoie region include chamois, ibex, marmots, and golden eagles. Wildlife spotting is a common activity, but it is important to observe animals from a distance and not disturb their natural habitat.
Visitors must adhere to strict regulations designed to protect the natural environment. These rules typically prohibit picking flowers, disturbing wildlife, camping, and making fires. Drones are also generally forbidden. Visitors should stay on marked trails to minimize their impact.

