4.6
(162)
1,032
riders
31
rides
Gravel biking around Réserve naturelle des Isles du Drac offers diverse terrain along the Drac river, characterized by a braided riverbed and extensive gravel banks. The landscape includes alluvial forests, dry terraces, and wetlands, providing varied surfaces for riding. These natural features are shaped by both mountainous and Mediterranean climates. The region features a network of trails suitable for off-road cycling.
Last updated: October 6, 2026
5.0
(2)
22
riders
91.7km
06:05
1,510m
1,510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
10
riders
42.5km
03:16
1,100m
1,100m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
63
riders
53.5km
03:57
1,360m
1,360m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
11
riders
36.9km
02:27
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(7)
22
riders
46.0km
03:49
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Réserve naturelle des Isles du Drac
La Grande Traversée du Vercors — In the West of the Alps
Running Trails around Réserve naturelle des Isles du Drac
Road Cycling Routes around Réserve naturelle des Isles du Drac
Cycling around Réserve naturelle des Isles du Drac
Hiking around Réserve naturelle des Isles du Drac
MTB Trails around Réserve naturelle des Isles du Drac

Mountain Hikes around Réserve naturelle des Isles du Drac
Superb gravel track to reach Lans-en-Vercors and Villars-de-Lans.
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Joli chemin avec anciens tunnels et une pente régulière mais en vélo gravel le chemin est plutôt cassant et pas très agréable.
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La ViaVercors, the first mountain greenway, offers a discovery route for tourism and leisure purposes over nearly 55 km. Located in the Vercors Regional Natural Park, it connects the municipalities of the territory to form an inter-municipal link for ecomobility. Engins, Saint-Nizier-du-Moucherotte, Lans-en-Vercors, Villard-de-Lans, Corrençon-en-Vercors, Autrans-Méaudre en Vercors, no municipality is forgotten.
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The Via du Tram route, from Grenoble to Saint-Nizier-du-Moucherotte, follows the historic route of the tramway line built in 1909. This path takes you on a discovery of the region's wonders and its rich history. From the Resistance and its maquisards during World War II to the unique architecture of a former Olympic ski jump, you will visit, through fields, typical hamlets, and wooded valleys, environments with multiple curiosities. The 1,200 meters of elevation gain on the route will lead you to superb viewpoints.
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The Via du Tram trail, from Grenoble to Saint-Nizier-du-Moucherotte, follows the historic route of the tramway line built in 1909. This path takes you on a discovery of the region's wonders and its rich history. From the Resistance and its partisans during World War II to the unique architecture of an old Olympic ski jump, you will visit, through fields, typical hamlets, and wooded valleys, environments with multiple points of interest. The trail's 1,200 meters of elevation gain will lead you to superb viewpoints.
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The Via du Tram route, from Grenoble to Saint-Nizier-du-Moucherotte, follows the historic route of the tramway line built in 1909. This path takes you to discover the wonders of the region and its rich history. From the Resistance and its maquisards during the Second World War to the unique architecture of a former Olympic ski jump, you will visit, through fields, typical hamlets and wooded valleys, environments with multiple curiosities. The 1,200 meters of elevation gain on the route will lead you to superb viewpoints.
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Viewpoint over Seyssens and the Drac valley
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The most direct passage to leave Grenoble by the South following the Drac Decathlon Comboire is just to the south
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There are nearly 60 gravel bike routes available in the Réserve naturelle des Isles du Drac. The komoot community has explored these trails over 1,200 times, with an average rating of 4.6 stars.
The Réserve naturelle des Isles du Drac primarily offers challenging gravel biking experiences. Out of nearly 60 routes, 48 are rated as difficult, with 10 moderate options and no easy trails. This makes it an ideal destination for experienced riders seeking varied terrain and elevation.
Yes, many of the gravel routes in the area are circular. For example, you could try the Nice View – Lake Monteynard loop from Saint-Georges-de-Commiers, which offers significant elevation gain and views towards Lake Monteynard over 34.7 km.
The terrain is highly diverse, characterized by the Drac river's 'braided' riverbed with extensive gravel banks. You'll encounter alluvial forests, dry terraces, and wetlands, providing a mix of surfaces from gravel paths to forested sections. This variety makes for an engaging gravel biking experience.
While specific viewpoints are not always marked, the region offers scenic views of the Drac river and its gravel banks, especially along the Promenade Thiervoz. Routes like the Nice View – Lake Monteynard loop from Saint-Georges-de-Commiers are known for their panoramic vistas towards Lake Monteynard.
The reserve is rich in biodiversity, home to over 700 plant species and nearly 500 animal species. Keep an eye out for protected species like the European beaver and the European nightjar. You might also spot kingfishers, various amphibians, reptiles, and dragonflies amidst the serene natural settings of the river, gravel banks, and alluvial woodlands.
Absolutely. For advanced riders seeking a significant challenge, the Lans-en-Vercors – Old streetcar track loop from Échirolles is an excellent option. This difficult 80.9 km trail leads through the Vercors foothills and typically takes nearly 6 hours to complete.
Public access points like Chasse-Barbier (accessible from Vif and Varces-Allières-et-Risset) and Promenade Thiervoz (accessible from Claix and Varces-Allières-et-Risset) are good starting points. These areas typically offer parking facilities for visitors exploring the reserve.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 160 reviews. Reviewers often praise the diverse terrain, the natural beauty of the Drac river, and the challenging yet rewarding routes that immerse riders in nature.
Yes, if you're looking for a shorter, yet still challenging, ride, consider routes like the Faucherand gallery – Jean Jacques Rousseau desert loop from Seyssinet-Pariset. This difficult trail is about 16.8 km long and can be completed in under two hours, offering significant elevation gain in a compact distance.
The reserve is just a few kilometers from Grenoble, making it relatively accessible. While specific public transport routes directly to trailheads for gravel biking might vary, you can typically reach nearby towns like Vif, Varces-Allières-et-Risset, Claix, or Échirolles via public transport from Grenoble, and then cycle to the reserve's access points.
The region experiences both mountainous and Mediterranean climates. Spring and autumn generally offer pleasant temperatures and stable weather conditions, ideal for gravel biking. Summers can be warm, so early morning or late afternoon rides are recommended. Winters might bring colder temperatures and potentially snow at higher elevations, though the riverine areas are often accessible.


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