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Routes
Running Trails
France
Auvergne Rhône Alpes
Chambéry

Ontex

The best running trails around Ontex

4.6

(174)

10,324

runners

278

runs

Jogging around Ontex offers routes through varied terrain, characterized by hills, forests, and proximity to lakes such as Lac du Bourget and Lac de Saint-Jean-de-Chevelu. The region features significant elevation changes, with routes ascending to viewpoints like Mont Charvaz and Col du Chat. These running paths provide opportunities to explore the natural landscape, ranging from moderate trails to more challenging mountain ascents.

Best jogging routes around Ontex

  • The most popular jogging route is Mont Charvaz loop from Billième, a…

Last updated: May 20, 2026

5.0

(1)

29

runners

#1.

La Charvaz Viewpoint – Mount Charvaz loop from Billième

10.3km

01:39

710m

710m

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.

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Hard

Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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4.5

(2)

16

runners

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

Moderate

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.

Hard
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Tips from the Community

Laurent Reymond
September 17, 2025, Col du Chat (638 m)

It's a must-see place with a magnificent view of Lake Bourget.

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for fit hikers

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if not high season, nice spot to camp

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A very nice and quiet rest area in the countryside - with an interesting viewpoint next to it

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I go there very often and never tire of the viewpoints, for mountain bikers a beautiful passage to go towards Ontex, the Col de la Charvaz via the Cretêt passage... we then fall back on the vines of Jongieux le Haut , beautiful walks

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4

0

cg
April 25, 2022, Col du Chat (638 m)

superb tour side of the lake very wild small climb to the col du chat a very beautiful tour

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2

1

CamilleD
February 6, 2022, Col du Chat (638 m)

Pretty little pass on the edge of Lac du Bourget with breathtaking views. Very few cars and some beautiful laces that make you want to go dancing. Please note that the start is 500m below the tunnel.

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1

1

Jesko
April 28, 2021, Col du Chat (638 m)

The ascent of Col du Chat on the east side offers a fantastic view of the lake below. Enjoy the view during the ascent because once at the top, the environment will be wooded. The pass culminates at 638 meters above sea level.

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1

Frequently Asked Questions

How many running routes are available around Ontex?

There are over 260 jogging routes available around Ontex, offering a wide variety of options for different skill levels and preferences. This includes 17 easy routes, 144 moderate routes, and 108 difficult routes.

What kind of terrain can I expect on jogging routes near Ontex?

Jogging routes near Ontex are characterized by varied terrain, including hills, forests, and paths close to lakes such as Lake Bourget and Lac de Saint-Jean-de-Chevelu. You can expect significant elevation changes, with some routes ascending to viewpoints like Mont Charvaz and Col du Chat (638 m).

Are there running routes suitable for beginners in Ontex?

Yes, Ontex offers 17 easy jogging routes, perfect for beginners or those looking for a less strenuous run. Additionally, there are 144 moderate routes that provide a good balance of challenge and accessibility.

What natural features or landmarks can I see while running around Ontex?

Many running routes in Ontex offer scenic views and pass by notable natural features. You can enjoy views of Lake Bourget and Lac de Saint-Jean-de-Chevelu. Some trails also lead to viewpoints like Mont Charvaz and the Mont du Chat lookout (1504 m), offering expansive panoramas.

What do other runners enjoy the most about jogging in Ontex?

The running trails in Ontex are highly rated by the komoot community, with an average score of 4.7 stars from over 200 reviews. Runners often praise the varied terrain, the challenging ascents, and the beautiful lake views, particularly around Lake Bourget.

Are there any loop running trails in Ontex?

Yes, many of the running routes around Ontex are loops. For example, the Lac de Saint-Jean-de-Chevelu loop from Billième is a moderate 8.4 km trail, and the Mont Charvaz loop from Ontex is a more difficult 8.4 km option.

What is the typical length and duration of running trails in the Ontex area?

Running trails in Ontex vary significantly in length and duration. You can find shorter routes like the Col du Chat (638 m) – Shaded rest area loop from Lac du Bourget, which is about 10.7 km and takes around 1 hour 30 minutes. Longer, more challenging routes, such as the Mont Charvaz – Les Grands Champs loop from Lac du Bourget, can be up to 16.5 km and take over 2 hours 30 minutes.

Are there any running routes with significant elevation gain?

Yes, Ontex is known for its hilly terrain and routes with substantial elevation gain. The Mont Charvaz loop from Billième, for instance, features over 700 meters of elevation gain, making it a challenging option for experienced runners.

Can I find running routes that pass by mountain passes?

Absolutely. The region around Ontex includes several mountain passes. The Col du Chat (638 m) – Shaded rest area loop from Lac du Bourget is a popular running trail that incorporates the Col du Chat (638 m), offering a unique running experience through hilly terrain.

Are there any running trails that offer views of multiple lakes?

While specific routes might focus on one lake, the region's proximity to both Lake Bourget and Lac de Saint-Jean-de-Chevelu means you can find routes that provide glimpses of both or combine sections near each. Many trails, especially those ascending to viewpoints, offer broad vistas that may include multiple bodies of water.

How popular are the running trails in Ontex?

The running trails in Ontex are quite popular among the komoot community. Over 14,000 runners have used komoot to explore the varied terrain, and the routes collectively hold an average rating of 4.7 stars, indicating high satisfaction among users.

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