4.6
(1084)
34,363
riders
10
rides
No traffic road cycling routes around Sonnaz offer access to the diverse landscapes of the Savoie region, characterized by its proximity to Lac du Bourget and the foothills of the French Alps. The terrain features a mix of rolling hills, significant mountain passes, and scenic routes along lake shores. Road cyclists can expect varied elevation profiles, from moderate climbs to challenging ascents, often through forested areas and open countryside.
Last updated: May 5, 2026
4.7
(9)
328
riders
42.9km
02:48
1,310m
1,310m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(12)
155
riders
37.9km
02:36
850m
850m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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2.5
(2)
26
riders
39.6km
02:21
800m
800m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
3.0
(1)
15
riders
43.7km
02:26
810m
810m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(2)
19
riders
26.9km
01:25
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Sonnaz
Beautiful castle at the start of the climb to the Col de Marocaz!
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By turning around, you can have the Granier too!
1
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Course with 9% slopes. Very beautiful landscapes
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Drinking water point in the cemetery
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Very difficult summit, 10% average for 12km from Le Bourget du lac, no respite. The view at the top is worth it and in high season there is a restaurant bar for refueling.
3
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Peaceful lake. With the terrace of the Auberge du Lac to recharge with carbohydrates
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I did this cycle path March on 19th 2024 from the Bourget-du Lac to the end near Chambery. It's a two lane route, however it's abysmal as it's packed with all types. Roadies who pass within centimeters, e-bikes the same, runners hogging the whole path. The French never seem to work as I rode the other side north on a March Wednesday afternoon last year and it was almost impossible to ride. Kids are not at school on Wednesday afternoons, so all the parents take off work and go for a ride / walk around the lake! Hate it for biking around here, although it's obviously very picturesque, but no fun with the packed paths.
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A beautiful section of road on the slopes of Mont du Chat. You meander between the green expanses of the fields, overlooking Lake Bourget.
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There are 11 dedicated no traffic road cycling routes around Sonnaz listed in this guide. These routes offer a range of experiences, from moderate climbs to more challenging ascents, ensuring a quiet and scenic ride.
The routes primarily traverse the beautiful pre-Alpine and Alpine foothills, offering a mix of serene lake views, rolling hills, and challenging mountain passes. You'll encounter picturesque valleys, dense forests, and open countryside, often with stunning vistas of the surrounding peaks. For example, the route to Mont du Chat lookout 🐱 loop from La Motte-Servolex provides panoramic views.
Yes, the routes cater to varying fitness levels. The majority of the no traffic road cycling routes are classified as moderate, making them accessible for regular cyclists. There are also 2 difficult routes for those seeking a greater challenge and more significant climbs.
Many routes offer spectacular views and pass by significant natural features. You might encounter iconic mountain passes like Col du Chat (638 m) or Épine Pass. Other highlights include summits such as Nivolet Cross and Mount Revard, providing breathtaking panoramas of the region.
The best season for road cycling in this region is typically from late spring through early autumn (May to October). During these months, the weather is generally mild, and mountain passes are clear of snow, offering optimal conditions for enjoying the routes. Always check local weather forecasts before heading out, especially for higher elevations.
Yes, several routes are designed as loops, allowing you to start and finish at the same point. Examples include the Mont du Chat lookout 🐱 loop from La Motte-Servolex, the Lac de la Thuile – La Bâtie Castle loop from La Ravoire, and the Marocaz Pass loop from Challes-les-Eaux.
The area is highly rated by the komoot community, with an average score of 4.56 stars. Reviewers often praise the challenging yet rewarding climbs, the stunning natural beauty, and the tranquility of the no traffic roads, which allow for an immersive cycling experience away from vehicle noise.
While the routes are generally quiet and free of heavy traffic, many involve significant elevation gain and are classified as moderate to difficult. Families with younger children or those new to road cycling might find these routes challenging. It's recommended to check the specific route details, including distance and elevation, to determine suitability for your family's experience level.
Many of these routes start from towns and villages such as La Motte-Servolex, La Ravoire, Viviers-du-Lac, Challes-les-Eaux, or Aix-les-Bains. These locations typically offer public parking facilities where you can leave your vehicle before starting your ride. Always look for designated parking areas to ensure convenience and compliance with local regulations.
For those looking for a longer ride, the The assless four! – Allevard loop from Viviers-du-Lac is a challenging option, covering over 100 kilometers with significant elevation gain, offering an extensive exploration of the region's quiet roads.
While the routes themselves focus on no traffic roads, they often pass through or near charming villages and towns where you can find cafes, bakeries, and restaurants. Planning your stops in advance, especially in smaller hamlets, is advisable to ensure you have refreshment options available.


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