The best traffic-free bike rides around Lac du Bourget

There are over a dozen dedicated no-traffic road cycling routes around Lac du Bourget, offering a variety of distances and elevations. Most of these routes are rated as moderate, with a few challenging options for experienced cyclists.

The region offers diverse terrain, from relatively flat, dedicated bike lanes along the eastern shore of the lake to more challenging ascents on the western side and into the surrounding mountains. You'll find routes through wetlands, alluvial forests, alpine meadows, and vineyards, all designed to minimize traffic exposure.

While many routes are moderate, some sections along the eastern lakeside offer flatter, dedicated paths ideal for a more relaxed ride. For a moderate loop with less elevation, consider the Le Bourget Town Hall – Lake Bourget loop from Le Bourget-du-Lac, which is around 20 km with manageable climbs.

For experienced riders seeking a challenge, the region offers routes with significant climbs. The The assless four! – Allevard loop from Viviers-du-Lac is a difficult route covering over 100 km with more than 1100 meters of elevation gain. Other areas like the Col du Chat and Mont du Chat, while not entirely traffic-free, offer formidable ascents that can be incorporated into longer tours.

Lac du Bourget is excellent for cycling from spring through autumn. Summer offers warm temperatures, with lake waters reaching up to 28°C, making it ideal for combining cycling with a swim. Spring and autumn provide cooler, pleasant weather and often fewer crowds, perfect for longer rides.

Many routes offer stunning views of Lake Bourget and the surrounding mountains. You might pass by charming lakeside villages, vineyards, and natural reserves. Notable viewpoints like La Chambotte and Le Revard offer panoramic vistas. You can also explore attractions like the historic Hautecombe Abbey or the Grand port d'Aix-les-Bains.

Yes, many of the routes are designed as loops, allowing you to start and finish in the same location. Examples include the Chindrieux – Col du Sapenay loop from Chindrieux and the Chindrieux – Col du Clergeon loop from Chindrieux, both offering moderate challenges and scenic views.

The area is highly rated by the komoot community, with an average score of 4.5 stars from nearly a thousand reviews. Cyclists often praise the stunning lake and mountain views, the variety of terrain from flat paths to challenging climbs, and the opportunity to discover picturesque villages and natural beauty away from heavy traffic.

Absolutely. Lac du Bourget itself is France's largest natural lake, a UNESCO biosphere reserve. You'll encounter dramatic mountain backdrops from the Massif de l'Epine, Mont du Chat, and Bauges Mountains. Keep an eye out for the lake's reed beds, which are natural reserves for various bird species. The Lovely view of Lake Bourget is a highlight not to be missed.

Aix-les-Bains, a major town on the lake's shore, is a common starting point for many cycling routes and is well-connected by public transport. Parking is generally available in towns and villages around the lake, especially near popular starting points for cycling tours. It's advisable to check specific parking options for your chosen route's starting location.