Nature Reserve Guide
France is home to more than 100 nature reserves, a network of protected areas safeguarding a wide array of ecosystems. These reserves span the country's diverse geography, from the high alpine peaks and glacial valleys of the Alps to the dense deciduous forests of the Vosges mountains and the coastal wetlands of the Mediterranean. The varied terrain across the nature reserves in France provides extensive opportunities for outdoor activities. The most popular pursuits include hiking, jogging, mountaineering, and mountain biking, with thousands of established trails available.
Komoot features more than 18,000 routes for hiking, cycling, and running within this collection of protected areas. More than 951,000 visitors have shared their experiences, contributing to an average rating of 4.5 out of 5 stars. Among the best nature reserves in France, the Réserve naturelle des Aiguilles rouges offers dozens of hiking and mountaineering routes with views across to the Mont-Blanc massif. In the Vosges Mountains, the Réserve Naturelle du massif du Grand Ventron provides more than 70 hiking trails through its forests and over its rounded summits. Near the Mediterranean coast, the Réserve Naturelle du Bagnas is a coastal wetland with flat terrain ideal for cycling and easy walking routes. These reserves are designated specifically to protect areas of significant ecological, geological, or biological importance, offering a focused experience of France's natural heritage.
18705
Routes
4.5
(82887)
Average rating
966K+
Explored with komoot
Last updated: April 23, 2026

4.5
(1704)
41,133
hikers
Réserve biologique intégrale du Mont Ventoux is a biosphere reserve offering diverse terrain for hiking, cycling, and jogging, where Mediterranean and Alpine habitats meet.
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4.7
(689)
25,918
hikers
Réserve Biologique Dirigée Du Bois Des Ayes features ancient Arolla pine and larch forests, alpine moors, and rocky crests, offering diverse terrain for hiking and cycling routes.
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4.6
(1597)
24,426
hikers
Réserve Naturelle du massif du Grand Ventron is a Vosges Mountains nature reserve offering diverse terrain for road cycling, hiking, and jogging routes.
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4.4
(1084)
22,276
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.
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4.5
(907)
18,731
hikers
Réserve naturelle des Aiguilles rouges offers diverse landscapes opposite Mont-Blanc, with varied terrain for mountain biking, hiking, jogging, and road cycling routes.
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4.6
(1078)
17,536
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.
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4.4
(2301)
17,466
hikers
Réserve Naturelle du Bagnas is a 561-hectare coastal wetland in Occitanie, offering diverse routes for cycling, jogging, and hiking through Mediterranean environments.
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4.4
(1355)
17,415
hikers
Réserve Naturelle De La Forêt De La Massane features an ancient beech forest and diverse terrain for road cycling, mountain biking, running, and hiking routes.
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4.5
(702)
16,327
hikers
Réserve Biologique Dirigée De Luchon is a biosphere reserve in the French Pyrenees, offering diverse terrain for road cycling, hiking, and mountain biking routes.
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4.6
(854)
15,691
hikers
Réserve naturelle de Carlaveyron is a national nature reserve in the Aiguilles Rouges massif, offering diverse alpine landscapes for hiking, cycling, and jogging.
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4.6
(1713)
15,312
hikers
Réserve Biologique Dirigée De Mal-Infernet is a biosphere reserve in France's Esterel massif, offering diverse routes for hiking, cycling, and mountain biking amidst red volcanic rock formations.
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4.5
(797)
15,140
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.
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4.5
(1717)
14,994
hikers
Réserve Naturelle Des Sept-Îles is a national nature reserve off Brittany's coast, offering diverse routes for hiking, cycling, and more, primarily from the mainland.
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Cycling

4.5
(656)
14,548
hikers
Réserve naturelle de la Vallée d’Eyne is a national nature reserve in the Pyrénées-Orientales, offering diverse terrain for hiking, cycling, and other outdoor activities.
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Cycling

4.5
(1574)
14,135
hikers
Réserve Naturelle du Frankenthal-Missheimle is a national nature reserve offering diverse terrain for hiking, cycling, and jogging through alpine-like glacial cirques and forests.
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4.5
(1314)
12,787
hikers
Réserve Biologique Dirigée De Perthus is a biosphere reserve in the Esterel massif, offering diverse terrain for hiking, road cycling, and gravel biking routes.
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4.4
(1229)
12,216
hikers
Réserve naturelle de la vallée de Chaudefour is a glacial valley in the Sancy massif, offering diverse terrain for hiking and cycling routes.
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4.6
(612)
11,479
hikers
Réserve Naturelle du Néouvielle is a French Pyrenees reserve featuring over 70 high-altitude lakes and granite terrain, perfect for hiking and cycling. Its unique microclimate supports diverse flora.
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4.5
(1188)
11,137
hikers
Réserve Naturelle Des Bouches De Bonifacio is a national nature reserve between Corsica and Sardinia, offering diverse terrain for hiking, road cycling, and mountain biking.
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4.5
(1115)
11,073
hikers
Réserve Biologique Dirigée De Housseramont - Noir Rupt is a French biosphere reserve offering diverse routes for cycling, hiking, and jogging through mountainous forests and peat bogs.
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Nature reserves in France are protected areas designated to safeguard significant ecological, geological, or biological heritage. This collection aggregates over 150 such reserves, from high alpine environments to coastal wetlands. These areas provide managed access for human-powered outdoor activities like hiking and cycling.
Notable reserves include the Réserve naturelle des Aiguilles rouges, which offers views of the Mont-Blanc massif. In the Vosges Mountains, the Réserve Naturelle du massif du Grand Ventron features forested trails. Near the Mediterranean, the Réserve Naturelle du Bagnas is a coastal wetland with flat terrain.
The primary activities are hiking, cycling, and mountain biking, with over 18,000 routes available across the reserves. Many areas also offer opportunities for trail running and mountaineering. The specific activities depend on the terrain, which ranges from alpine peaks to flat coastal paths.
While both protect natural areas, nature reserves often focus on smaller, specific habitats or geological features with strict conservation goals. National parks in France typically cover larger territories with a dual mission of conservation and welcoming the public. However, many nature reserves are located within or near national parks.
The Réserve naturelle des Aiguilles rouges offers a wide range of trails opposite the Mont-Blanc massif. There are approximately 70 hiking trails, 20 mountain biking routes, and 19 mountaineering routes. The terrain is alpine, featuring rocky paths, small glacial lakes, and panoramic viewpoints.
Yes, there are several coastal reserves. The Réserve Naturelle du Bagnas in Occitanie is a 561-hectare wetland with flat terrain. It is well-suited for easy walking and cycling, offering routes through a protected Mediterranean environment known for birdwatching.
There are thousands of hiking trails across France's nature reserves, catering to all abilities. For example, the Réserve naturelle du vallon de Bérard in the Alps has around 60 marked hiking routes through glacial landscapes. In the Vosges, the Réserve Naturelle du Frankenthal-Missheimle offers trails through forests and glacial cirques.
Yes, many reserves offer routes for both road cycling and mountain biking. The Réserve biologique intégrale du Mont Ventoux is a popular destination with approximately 30 road cycling routes and nearly 30 mountain bike trails. Flatter reserves like Réserve Naturelle du Bagnas are ideal for more leisurely cycling.
Many reserves contain routes suitable for families and beginners. Reserves with flatter terrain, such as coastal or forest reserves, often have easy walking and cycling paths. It is advisable to check the difficulty rating and elevation profile for specific routes before setting out.
The optimal time for hiking in alpine reserves like the Réserve naturelle des Aiguilles rouges is typically from June to September. During this period, the trails are mostly free of snow and the weather is generally stable. Winter activities like snowshoeing are possible, but require appropriate gear and knowledge of alpine conditions.
Regulations regarding dogs vary significantly between reserves to protect wildlife and sensitive ecosystems. In many national nature reserves and the core zones of national parks, dogs are often not permitted, even on a leash. It is essential to check the specific rules for each reserve before planning a visit with a dog.

