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Gravel rides
France
Auvergne Rhône Alpes
Grenoble

Saint-Ismier

The best gravel rides around Saint-Ismier

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

#1.

Isère Bend Near Grenoble – green track du billard loop from Montbonnot-Saint-Martin

41.8km

02:06

100m

100m

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Popular around Saint-Ismier

Follow the Huguenots — from Grenoble to Geneva on the GR 965

Road Cycling Routes around Saint-Ismier

Cycling around Saint-Ismier

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Follow the Huguenots — from Grenoble to Geneva on the GR 965

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Tips from the Community

DavidR
April 30, 2026, View of the Isère River and the Vercors Mountains

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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The trail this year is asphalted

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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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The place is fresh and green. You can take a little snack break there.

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there we are finally almost out of the city

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A convenient bridge with a cycle path provides access to the Isle of Love Park.

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A blabla gravel ride between 12 and 2 p.m. exactly 1 hour to recover from excess sports or other activities from the weekend ;)

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No problem easy and pleasant.

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Frequently Asked Questions

How many gravel bike trails are there in Saint-Ismier?

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.

Are there gravel routes suitable for beginners in Saint-Ismier?

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.

What kind of terrain can I expect on gravel bike trails in Saint-Ismier?

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.

Are there any long-distance gravel biking options near Saint-Ismier?

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.

What are some notable natural features or attractions I can see while gravel biking?

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.

Are there any historical landmarks accessible by gravel bike?

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.

What do other gravel bikers enjoy most about the trails in Saint-Ismier?

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.

Are there any circular gravel bike routes available?

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.

What is the best season for gravel biking in Saint-Ismier?

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.

Can I access gravel bike trails using public transport?

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.

Are there family-friendly gravel biking options in Saint-Ismier?

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.

What kind of wildlife might I encounter on the trails?

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.

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