4.3
(374)
2,772
riders
224
rides
Mountain biking around Saint-Nazaire-Les-Eymes offers diverse terrain within the Isère department of the Auvergne-Rhône-Alpes region. The area features a varied relief, ranging from plains along the Isère river to the heights of the Bec Charvet summit at 1773 meters. This topography includes parts of the Chartreuse Regional Natural Park, with significant peaks like Dent de Crolles (2062 meters), and the distinctive Manival torrent with its steep cliffs. The landscape transitions from deciduous forests at higher elevations to agricultural fields in…
Last updated: May 20, 2026
4.0
(2)
47
riders
18.5km
01:57
570m
570m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.2
(6)
44
riders
29.2km
03:31
1,140m
1,140m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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10
riders
38.6km
05:00
1,910m
1,910m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(5)
17
riders
22.1km
01:23
110m
110m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(2)
15
riders
20.7km
02:07
640m
640m
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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Popular around Saint-Nazaire-Les-Eymes
Always pleasant. Steep path that allows you to pick up speed
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Exceptional site at the foot of the Dent de Crolle with access via a wild forest road
2
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Nice single track on the hillsides of Chartreuse between Bernin and Crolles with the two waterfalls in sight
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Imposing rock that offers numerous routes to climbers of all levels
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Be careful when crossing, otherwise take the footbridge 50m further upstream
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There are over 190 mountain bike trails in the Saint-Nazaire-Les-Eymes area, offering a wide range of options for riders.
The trails around Saint-Nazaire-Les-Eymes cater to various skill levels. While the majority, over 140, are classified as difficult, there are also around 30 moderate trails and 16 easy routes suitable for less experienced riders or those seeking a more relaxed ride. The region's varied topography, from river plains to mountain peaks, contributes to this diversity.
You can expect highly varied terrain, ranging from plains along the Isère river to the heights of the Bec Charvet summit. The area includes parts of the Chartreuse Regional Natural Park, featuring significant peaks and the distinctive Manival torrent with its steep cliffs. You'll ride through deciduous forests at higher elevations and agricultural fields in lower areas, all set within the scenic Grésivaudan valley.
Yes, there are 16 easy mountain bike trails in the area that are generally suitable for families or beginners. These routes typically feature less challenging climbs and descents, often traversing agricultural lands or less steep forested sections.
The mountain bike trails around Saint-Nazaire-Les-Eymes are highly rated by the komoot community, with an average score of 4.2 stars from over 300 reviews. Riders often praise the varied relief of the Chartreuse Massif and the Grésivaudan Valley, as well as the diverse network of trails that cater to different ability levels.
Yes, many of the trails in the area are designed as loops. For example, the Arces Tower loop from Saint-Ismier is a popular 21.9 km route, and the Mont Jalla's ridges loop from Saint-Nazaire-les-Eymes offers a more challenging 27.9 km ride with significant elevation changes.
The region offers stunning natural features and viewpoints. You might encounter the impressive torrential cirque of the Manival torrent, or enjoy panoramic views from various points within the Chartreuse Massif. Notable highlights include the Dent de Crolles summit and the Revollat Cross viewpoint. The View of the Grésivaudan Valley – Heats the brakes loop from Lancey specifically offers great vistas.
Yes, the Chartreuse Massif features several mountain passes. You can explore routes that include passes like Col de Porte (1326 m), Col du Cucheron, and Col du Coq, offering challenging climbs and rewarding descents.
Experienced mountain bikers seeking a challenge might enjoy the Le Chemin du Mûrier – This mountain is Chamechaude loop from Lancey. This difficult route spans 47.5 km with over 1000 meters of elevation gain, traversing demanding terrain within the Chartreuse Massif.
The region is generally best for mountain biking from spring through autumn. During these seasons, the weather is typically more favorable, and trails are clear of snow, especially in the higher elevations of the Chartreuse Massif. The varied landscape, from forests to agricultural fields, offers changing scenery throughout these months.
Yes, some routes, particularly in the lower parts of the commune, pass through agricultural fields. The Vtt1 – Corn & mosquitos loop from Bernin is an example of a trail that leads through agricultural lands and forested sections, offering a different riding experience.


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