4.5
(68)
422
riders
29
rides
Gravel biking around Saint-Ismier offers diverse terrain, situated between the Chartreuse massif, the Isère valley (Grésivaudan), and facing the Belledonne mountain range. The landscape features a sub-Alpine edge, with peaks like the Dent de Crolles providing challenging ascents and dramatic backdrops. Riders can explore the picturesque plain of the Isère river for gentler routes or venture into preserved areas like the Bois de la Bâtie, an alluvial forest. This region provides varied gravel bike trails suitable for different skill levels.
…Last updated: July 3, 2026
4.5
(17)
84
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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.

Sign up for free
5.0
(1)
22
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
It is indeed Chartreuse. There is also a "must-see" that presents "a magnificent view" of Chartreuse when it is actually Belledonne!!
0
0
Very pretty, but it's not the Vercors, it's the Chartreuse, Mont St Eynard to be exact.
0
0
The place is fresh and green. You can take a little snack break there.
0
0
there we are finally almost out of the city
0
0
A convenient bridge with a cycle path provides access to the Isle of Love Park.
0
1
A blabla gravel ride between 12 and 2 p.m. exactly 1 hour to recover from excess sports or other activities from the weekend ;)
0
0
No problem easy and pleasant.
0
0
There are over 50 gravel bike trails around Saint-Ismier, offering a wide range of options for different skill levels. These routes are highly rated by the komoot community, with an average score of 4.7 stars.
Yes, Saint-Ismier offers several easy gravel routes, particularly those that follow the picturesque plain of the Isère river. For example, the Gravelroad next to the river loop from Montbonnot-Saint-Martin is an easy 28 km ride with minimal elevation gain.
The terrain around Saint-Ismier is incredibly diverse, ranging from gentle routes along the Isère valley to challenging ascents into the sub-Alpine Chartreuse massif. You'll encounter a mix of paved and unpaved segments, with some routes featuring significant climbs and descents.
Yes, for those looking for longer rides, Saint-Ismier provides access to routes that extend further into the region. The Fort Barraux – Lovely road in the valley loop from Lancey is a moderate 62.8 km route that offers a substantial ride through the valley.
The region boasts stunning natural features. You can ride towards dramatic peaks like the Dent de Crolles or explore sensitive natural areas like the Bois de la Bâtie, an alluvial forest known for its wildlife. Mountain passes such as Col de Porte and Col du Cucheron also offer rewarding views after challenging climbs.
Yes, you can incorporate historical landmarks into your rides. The Fort of Saint-Eynard offers breathtaking 360-degree views and can be a rewarding destination for a challenging ride. The Fort de la Bastille in nearby Grenoble is also an accessible attraction.
The komoot community highly rates the gravel biking experience in Saint-Ismier, with an average score of 4.7 stars. Riders often praise the diverse landscapes, from the serene valley views along the Isère river to the panoramic vistas from the Chartreuse massif, and the variety of routes suitable for different skill levels.
Many of the gravel bike routes around Saint-Ismier are designed as loops, allowing you to start and finish at the same point. An example is the Green track du billard – Isère Bend Near Grenoble loop from Saint-Ismier, a moderate 32.6 km trail.
The region is generally excellent for outdoor activities. While specific data on winter conditions for gravel biking is limited, spring, summer, and autumn typically offer the most favorable weather for exploring the diverse terrain, from valley paths to mountain ascents.
Saint-Ismier is part of the Isère department, which has public transport options. While specific trailheads might require a short ride from a bus stop, the proximity to Grenoble and other towns suggests that some routes could be accessible via public transport, especially those starting from larger villages.
Yes, the easier routes along the Isère valley are generally suitable for families. These routes often feature gentler gradients and scenic paths, providing a pleasant experience for riders of varying ages and abilities. Look for routes categorized as 'easy' or 'moderate' with lower elevation gains.
The region is rich in biodiversity, especially within the Parc Naturel Régional de Chartreuse and sensitive natural areas like the Bois de la Bâtie. Here, you might observe wildlife such as beavers and kingfishers, particularly near water bodies and preserved forests.


Browse the best Gravel rides in other regions.