Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Bonneville
Arâches-La-Frasse

Lac de Gron Loop from Les Carroz

Moderate

1

riders

Lac de Gron Loop from Les Carroz

01:30

11.2km

670m

Mountain biking

This moderate 7.0-mile (11.2 km) mountain bike loop from Les Carroz takes you to Lac de Gron, offering alpine views and historic sights.

Last updated: February 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 2.26 km for 224 m

Waypoints

A

Start point

Parking

Get Directions

1

494 m

Les Carroz

Highlight • Settlement

Carroz means "crossroads", "crossroads" or "scree", "stony place" (of Celtic origin kaer), stone, rock (pre-Indo-European Mediterranean root: kal/kar)[ref. desired]. The inhabitants of the commune are given funny nicknames: “Catelus” for …

Translated by Google •

Tip by

2

1.13 km

Pernant Chapel

Highlight • Religious Site

This small chapel is located in the old hamlet of Pernant. It dates from 1733 and is dedicated to Saint Mary Magdalene

Translated by Google •

Tip by

3

6.52 km

Lac de Gron

Highlight • Lake

Collinear reservoir for the winter, A view of the Tronchets chalets, a panoramic view, … In short, the mountain in all its splendor

Translated by Google •

Tip by

B

11.2 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

5.37 km

2.84 km

1.57 km

1.43 km

Surfaces

3.67 km

2.70 km

2.14 km

2.07 km

626 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Friday 10 July

28°C

17°C

68 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

Comments

guide_signup

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Frequently Asked Questions

Is this mountain bike trail suitable for beginners?

While the Komoot difficulty rating for this loop is 'moderate', indicating good physical fitness is required, it is also noted as suitable for 'all skill levels'. This suggests that while the physical exertion might be moderate due to the elevation changes, the technical demands are generally manageable for less experienced riders.

Where can I park and access the trailhead for this route?

The trail is a loop that starts and ends in Les Carroz. You can find parking options within the village, which serves as the primary access point for this mountain bike adventure.

What kind of terrain can I expect on this mountain bike loop?

The route features varied terrain, including approximately 5.37 km of path, 2.84 km of street, 1.57 km of road, and 1.43 km of dedicated trail. While specific surface details vary, the broader Les Carroz area is known for diverse mountain biking options, including sections with loam and roots.

What are the best times of year to ride this trail?

The Les Carroz area is a popular summer destination for mountain activities. Therefore, the best time to ride this loop is typically during the warmer months, from late spring through early autumn, when the trails are clear of snow and weather conditions are most favorable for mountain biking.

Are there any notable landmarks or scenic views along the way?

Yes, the route offers picturesque alpine scenery. You'll enjoy beautiful views of the mountain pastures of Tronchets and the Arve valley. A significant point of interest is the Pernant Chapel, a small religious site from 1733. The highlight of the ride is reaching Lac de Gron, set within a stunning alpine environment.

Is this trail dog-friendly?

Generally, dogs are allowed on trails in the Les Carroz area, but it's always recommended to keep them on a leash, especially in areas with livestock or other trail users, and to clean up after them. Always check local signage for specific regulations.

Do I need any permits or pay an entrance fee to ride this trail or in the Grand Massif area?

Typically, there are no specific permits or entrance fees required to access this particular mountain bike trail or the general trail network within the Grand Massif area. However, if you plan to use any ski lifts or bike park facilities in Les Carroz, those would have associated costs.

Does this route intersect with other well-known mountain bike trails?

Yes, this route incorporates sections of other trails. Approximately 6% of the loop follows the 'Boucle des Alpages', 9% is part of 'La Forestière', and 3% runs along the 'Chemin de la Sarbotte'.

Are there any rest stops or water sources available on the trail?

The trail passes through varied terrain, including sections on roads and near Les Carroz. While there might not be designated water fountains directly on the trail, you can find amenities in the village before or after your ride. It's always advisable to carry sufficient water for the duration of your trip.

What should I pack for mountain biking this loop?

Given the moderate difficulty and significant elevation changes, it's recommended to bring appropriate mountain biking gear, including a helmet, gloves, and comfortable clothing. Carry enough water, snacks, a basic repair kit, and a first-aid kit. Sun protection and layers are also advisable due to the alpine environment.

Is this a loop trail or an out-and-back route?

This is a loop trail, meaning you will start and finish your ride in the same location, Les Carroz, without having to retrace your steps.

Nearby routes

Hard

4.6

341

Mont Lachat de Châtillon Loop

02:59h

26.7km

1,080m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy