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MTB trails
France
Auvergne Rhône Alpes
Grenoble

Saint-Ismier

The best MTB trails around Saint-Ismier

4.3

(320)

2,212

riders

15

rides

Mountain biking around Saint-Ismier offers diverse landscapes and challenging terrain within the Isère department. The region is characterized by significant elevation changes, proximity to the Chartreuse massif, and a mix of paved and unpaved segments. Riders can expect varied scenery, including garrigues, vineyards, and woods, providing a robust environment for mountain biking enthusiasts.

Best mountain bike trails around Saint-Ismier

  • The most popular mountain bike trail is Vtt1 loop from Saint-Ismier, a 22.0 miles (35.4 km) moderate trail that takes…

Last updated: July 1, 2026

3.7

(3)

20

riders

#1.

Manival Forest Refuge – Col du Coq loop from Saint-Ismier

38.9km

04:09

1,460m

1,460m

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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Hard

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

3.7

(3)

25

riders

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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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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Hiking around Saint-Ismier

Mountain Hikes around Saint-Ismier

Gravel biking around Saint-Ismier

Other adventures around Saint-Ismier

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

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Tips from the Community

Gilles DUCOL
July 18, 2025, Col du Coq

Exceptional site at the foot of the Dent de Crolle with access via a wild forest road

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2

0

Imposing rock that offers numerous routes to climbers of all levels

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0

0

Nicolas Vergnaud
September 17, 2024, Col du Coq

Perched at 1,434 meters, the Col du Coq is accessible after a twelve-kilometer climb regardless of the direction of the road taken. It offers a beautiful view of the Dent de Crolles.

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0

Mercure
April 28, 2024, Col du Coq

A pass with little crowds (end of April 2024). The road is open despite the signs (no snow removal). The bitumen is correct, average in places (mounted in Gravel). A few very steep slopes with a small flat area which allows you to breathe on the Charteuse side. No infrastructure at the top. Road and bitumen in good condition on the St-Pacrasse side.

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2

1

is it really worth the name "must-see"... given that the useful must-see is 5 minutes away (Col de l'Emeindras).... in my opinion, too many must-sees risk making you less You can spot the real must-haves, right? Good walks to all

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0

0

Nice cool lake. La Gelinotte restaurant is also worth a stop.

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1

1

Nice little descent to learn how to position the front wheel correctly, while being careful on certain sections to ensure that the child does not pick up too much speed or panic (risk of falling on the left of around 3m at certain locations).

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0

0

Romain
March 18, 2023, Belle descente

Nice first section, before the sequence of the next three

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0

Frequently Asked Questions

What kind of terrain can I expect on mountain bike trails around Saint-Ismier?

Mountain biking around Saint-Ismier offers diverse landscapes and challenging terrain. You'll encounter significant elevation changes, a mix of paved and unpaved segments, and varied scenery including garrigues, vineyards, and woods. The region is also characterized by its proximity to the rugged Chartreuse massif.

What are the difficulty levels of mountain bike trails in Saint-Ismier?

The trails around Saint-Ismier primarily cater to experienced riders, with 13 out of 14 routes rated as difficult. There is one moderate route available for those seeking a less strenuous ride. For example, Vtt1 loop from Saint-Ismier is a moderate trail featuring varied terrain.

Are there challenging mountain bike trails for experienced riders?

Yes, Saint-Ismier is an excellent destination for experienced mountain bikers. Most trails are rated as difficult, featuring significant elevation gains and technical sections. Routes like Manival Forest Refuge – Belle descente loop from Saint-Ismier include notable descents, while Arces Tower loop from Saint-Ismier leads through varied, demanding landscapes.

What natural features or landmarks can I see while mountain biking?

The region around Saint-Ismier is rich in natural beauty and landmarks. You can encounter impressive mountain passes like Col de Porte (1326 m) and Col du Cucheron, or majestic summits such as Chamechaude and Dent de Crolles. There's also Lake Crozet and the historic Fort of Saint-Eynard to explore.

Which trails offer the best views?

Many trails in the Saint-Ismier area offer stunning panoramic views, especially those that ascend to higher elevations. The region is known for its mountain passes and peaks, such as Chamechaude and Mont Jalla, which provide exceptional vistas of the Chartreuse massif and surrounding valleys. While specific routes aren't highlighted for views, trails like Mont Jalla's ridges loop from Saint-Nazaire-les-Eymes are likely to offer scenic points.

Are there many loop trails for mountain biking around Saint-Ismier?

Yes, many mountain bike routes in Saint-Ismier are designed as loops, offering a convenient way to start and end your ride in the same location. Examples include the moderate Vtt1 loop from Saint-Ismier, the difficult Manival Forest Refuge – Belle descente loop from Saint-Ismier, and the Arces Tower loop from Saint-Ismier.

What do other mountain bikers enjoy the most about mountain biking in Saint-Ismier?

The area is highly rated by the komoot community, with an average score of 4.3 stars from over 280 reviews. Reviewers often praise the diverse landscapes, the challenging terrain, and the significant elevation changes that make for a robust and engaging mountain biking experience.

Are there family-friendly mountain bike trails?

While most trails in Saint-Ismier are rated as difficult, there is one moderate route available: Vtt1 loop from Saint-Ismier. This 35.4 km trail with 168m of elevation gain might be suitable for families with older, more experienced children. For younger families, it's advisable to check the specific route details carefully.

Can I bring my dog on the mountain bike trails?

Generally, dogs are permitted on trails in the Saint-Ismier region, especially in natural areas like the Chartreuse massif. However, it's always best to keep your dog on a leash, especially in areas with wildlife or other trail users, and to check for any specific local regulations or restrictions on individual trails or within protected areas.

When is the best time of year for mountain biking in Saint-Ismier?

The best time for mountain biking in Saint-Ismier is typically from spring through autumn, when the weather is milder and trails are clear of snow. The region's significant elevation changes mean that higher altitude trails might be inaccessible in winter. Always check local weather conditions and trail status before heading out.

Where can I park when mountain biking in Saint-Ismier?

Parking availability varies by trailhead. Many routes, especially those starting from Saint-Ismier itself, will have designated parking areas nearby. For routes that begin in smaller villages or more remote locations, street parking might be an option. It's recommended to check the starting point of your chosen route on komoot for specific parking suggestions.

Is it possible to rent mountain bikes in Saint-Ismier?

While specific rental shops in Saint-Ismier are not listed, the Grenoble metropolitan area, being a hub for outdoor activities, likely offers several options for mountain bike rentals. It would be advisable to check in Grenoble or larger towns nearby for rental services if you don't have your own bike.

What are some longer mountain bike routes in the area?

For those looking for longer rides, the Saint-Ismier region offers several options. The Vtt1 loop from Saint-Ismier covers 35.4 km, while the Mont Jalla's ridges loop from Saint-Nazaire-les-Eymes extends to 27.9 km, providing a substantial challenge.

Most popular routes around Saint-Ismier

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