4.8
(32)
194
riders
12
rides
Gravel biking around Saint-Nazaire-Les-Eymes offers diverse terrain within the Isère department, situated between 219 and 1736 meters altitude. The region is characterized by the confluence of the Vercors, Chartreuse, and Belledonne massifs, providing varied landscapes from river valleys to mountain foothills. Cyclists can navigate a mix of forest paths, unpaved tracks, and dedicated no traffic gravel bike trails. The Isère river valleys offer flatter options, while the massifs present routes with significant elevation gain.
Last updated: July 3, 2026
4.7
(3)
28
riders
50.8km
02:34
130m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(3)
28
riders
38.6km
01:51
100m
100m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(4)
16
riders
42.1km
02:00
80m
80m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
10
riders
28.1km
01:28
110m
110m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
12
riders
34.7km
01:45
120m
120m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Saint-Nazaire-Les-Eymes
new paved sections, a treat
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It is indeed Chartreuse. There is also a "must-see" that presents "a magnificent view" of Chartreuse when it is actually Belledonne!!
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Very pretty, but it's not the Vercors, it's the Chartreuse, Mont St Eynard to be exact.
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there we are finally almost out of the city
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No problem easy and pleasant.
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It is wonderful to drive along here. It is not far to Grenoble when your legs can finally rest
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There are 5 dedicated no traffic gravel bike trails detailed in this guide, offering a variety of experiences for different skill levels. These routes are carefully selected to ensure a peaceful ride away from vehicular traffic.
The region offers a diverse range of terrain. You'll find routes along the Isère river valleys with flatter, accessible green tracks, as well as more challenging paths with significant elevation gain as you venture towards the Vercors, Chartreuse, and Belledonne massifs. Expect a mix of forest paths, unpaved tracks, and quiet paved sections.
Yes, there are several easy options perfect for beginners or families looking for a relaxed ride. Routes like the Alte Kapelle – Gravel Isere loop from Bernin and the Gravelroad next to the river loop from Montbonnot-Saint-Martin offer gentle gradients and pleasant scenery, ideal for those new to gravel biking or riding with children.
The no traffic gravel routes in this guide vary in length, generally ranging from approximately 25 km to over 50 km. For instance, the Saint-Pierre-de-Chartreuse loop from Saint-Pierre-de-Chartreuse is about 25 km, while the Flat gravel path – Isère Bend Near Grenoble loop from Bernin extends to over 50 km, offering options for various endurance levels.
Many routes offer stunning views of the surrounding massifs like Vercors, Chartreuse, and Belledonne. You might pass by significant natural features such as Chamechaude or Dent de Crolles. Some trails also provide panoramic views over the Grenoble area. For historical interest, you could explore near the Fort of Saint-Eynard.
Yes, all the no traffic gravel routes featured in this guide are circular, meaning you will start and finish at the same point. This makes planning your ride and transportation much more convenient. Examples include the Flat gravel path loop from Froges and the Flat gravel path – Isère Bend Near Grenoble loop from Bernin.
The spring and autumn months generally offer the most pleasant conditions for gravel biking, with milder temperatures and beautiful scenery. Summer can also be enjoyable, especially on shaded forest paths, but be prepared for warmer weather. Winter riding is possible, particularly on lower elevation routes, but higher trails in the massifs may be affected by snow or ice.
Parking availability varies by trailhead. Many routes start from villages like Bernin, Montbonnot-Saint-Martin, or Froges, where public parking is typically available. It's advisable to check the specific tour details on komoot for recommended starting points and parking information for each route.
Generally, dogs are welcome on many outdoor trails in the region, especially on forest paths and gravel tracks, provided they are kept under control, ideally on a leash, and you clean up after them. However, specific rules can vary within protected natural areas like the Vercors or Chartreuse Regional Nature Parks, so always check local signage.
The no traffic gravel routes in this area are highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the peacefulness of the trails, the stunning mountain backdrops, and the variety of terrain that caters to different skill levels, making for a truly enjoyable and traffic-free cycling experience.
Saint-Nazaire-Les-Eymes and surrounding towns are generally well-connected by local bus services from Grenoble. While direct access to every trailhead by public transport might require some planning, it is often possible to reach starting points in villages like Bernin or Montbonnot-Saint-Martin, which serve as excellent gateways to these routes. Always check current bus schedules and bike transport policies.
Yes, the region benefits from its proximity to the Vercors and Chartreuse massifs, which offer extensive networks of forest paths and unpaved tracks perfect for no traffic gravel biking. While some routes might involve initial climbs on quiet roads, the core experience within these massifs is often away from vehicular traffic, providing immersive natural rides. The Saint-Pierre-de-Chartreuse loop from Saint-Pierre-de-Chartreuse is a great example of a route venturing into the Chartreuse massif.


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