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Road cycling routes
France
Auvergne Rhône Alpes
Grenoble

Lac du Verney

The best road cycling routes around Lac du Verney

4.6

(1112)

87,579

riders

65

rides

Road cycling around Lac du Verney offers routes set against the backdrop of the Belledonne and Grandes Rousses massifs in the Isère region. The artificial reservoir is situated at an altitude of 725 meters, providing a base for various road cycling experiences. The terrain includes challenging ascents to iconic mountain passes and less strenuous loops around the lake, traversing the Eau d'Olle valley. This area is characterized by its alpine landscape, with routes that often feature significant elevation gains.

Best road cycling routes around Lac du Verney

  • The most popular road cycling route is Ornon Pass – Viaduct of Lac du Verney loop from Oz, a 29.8 miles (48.0 km) trail that takes 2 hours 37 minutes to complete. This difficult route features significant elevation gain through mountain passes.
  • Another top favourite among local road cyclists is Route du pas de la confession – Viaduct of Lac du Verney loop from Allemond, a difficult 20.6 miles (33.2 km) path. This route includes challenging gradients and scenic views towards the Confession Pass.
  • Local road cyclists also love the Le Bourg-d'Oisans – Viaduct of Lac du Verney loop from Oz, a 20.3 miles (32.6 km) trail leading through the Eau d'Olle valley, often completed in about 1 hour 26 minutes.
  • Road cycling around Lac du Verney is defined by the surrounding Belledonne and Grandes Rousses massifs, the Eau d'Olle valley, and iconic mountain climbs. The network offers options for easy, moderate, and difficult routes, catering to different ability levels.
  • The routes in Lac du Verney are highly rated by the komoot community with an average score of 4.6 stars from over 700 reviews. More than 70,000 road cyclists have used komoot to explore Lac du Verney's varied terrain.

Last updated: August 25, 2026

4.9

(13)

1,416

riders

#1.

Viaduct of Lac du Verney – Mollard Pass loop from Allemond

128km

08:05

3,670m

3,670m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Tips from the Community

Michael Rieger
June 22, 2026, Col du Mollard – Paradis des virages en lacet

Attention (!). As of June 2026, almost the entire route (except for the curves themselves) is gravel! It's small gravel and can be ridden with a road bike, but anyone who doesn't want to risk anything shouldn't go this way. Definitely don't ride downhill here.

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2

0

Nice ascent D80, little traffic, partially newly gravelled road. Unfortunately, the nice signs about the pass regarding km and gradient are missing.

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Unfortunately there is nothing along the way. The bar in the village is currently permanently closed. Fountain helpful

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Picnic spot and fishing pond, bivouac?

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Grandiose ascent on the D110, great view at the pass.

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2

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Great road and wonderful views.

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2

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Picnic area and leisure center ...

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lol

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Frequently Asked Questions

How many road cycling routes are available around Lac du Verney?

There are over 70 road cycling routes around Lac du Verney, catering to various skill levels. You'll find a good mix of easy, moderate, and difficult options to explore the region's diverse terrain.

What kind of terrain can I expect on road cycling routes near Lac du Verney?

The terrain around Lac du Verney is characterized by its alpine landscape, nestled between the Belledonne and Grandes Rousses massifs. Routes often feature significant elevation gains, including challenging ascents to iconic mountain passes like Col de la Croix de Fer and Col du Glandon. However, there are also less strenuous loops around the lake and through the Eau d'Olle valley.

Are there any easy road cycling routes suitable for beginners around Lac du Verney?

Yes, there are several easier options. For instance, the Le Bourg-d'Oisans – Viaduct of Lac du Verney loop from Oz is an easy 32.6 km trail with moderate elevation. Another accessible route is the Green Cycling Path – Viaduct of Lac du Verney loop from Allemond, which is 15.5 km long and also considered easy.

What are some challenging road cycling climbs near Lac du Verney?

The region is famous for its demanding climbs. Cyclists can tackle ascents to the renowned Col de la Croix de Fer and Col du Glandon. A particularly challenging route is the Viaduct of Lac du Verney – Col du Mollard loop from Oz, which covers 126.5 km with nearly 3,700 meters of elevation gain.

What landmarks or viewpoints can I see while road cycling around Lac du Verney?

You'll encounter stunning natural features and man-made structures. Notable highlights include the Viaduct of Lac du Verney, the impressive Himalayan footbridge at Lac du Verney, and the iconic Col de la Croix de Fer. For panoramic views, consider the View of Lake Verney from the Boulangeard, offering superb vistas of the lake and surrounding mountains.

Are there any circular road cycling routes around Lac du Verney?

Yes, the area offers several circular routes. A popular option is the Ornon Pass – Viaduct of Lac du Verney loop from Oz, a 48 km route. Another is the Route du pas de la confession – Viaduct of Lac du Verney loop from Allemond, which offers scenic views towards the Confession Pass.

What is the best time of year for road cycling around Lac du Verney?

The best time for road cycling around Lac du Verney is typically from late spring to early autumn (May to October). During these months, the weather is generally more favorable, and mountain passes are usually clear of snow, allowing access to the most iconic climbs. Summer offers warmer temperatures, while spring and autumn provide cooler rides and beautiful seasonal colors.

What do other road cyclists enjoy most about road cycling in Lac du Verney?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 700 reviews. Reviewers often praise the stunning alpine scenery, the variety of routes from challenging mountain passes to gentle lake loops, and the well-maintained roads that make for an excellent cycling experience.

Are there any family-friendly road cycling options near Lac du Verney?

While many routes involve significant climbs, some sections are suitable for families. The 'Voie Verte de l'Oisans' (Green Cycling Path) offers a less strenuous experience. The circular route directly around Lac du Verney itself is also generally considered more accessible and offers enchanting scenery of the Eau d'Olle valley.

Where can I find amenities like cafes or accommodation near the cycling routes?

The charming villages of Allemond and Oz, located near Lac du Verney, provide amenities such as local markets, restaurants, and accommodation options. These villages serve as excellent starting points or refreshment stops for your cycling adventures.

Is there public transport access to Lac du Verney for cyclists?

While specific public transport details for cyclists might vary, the region is generally accessible. For detailed information on bus services or other transport options that can accommodate bicycles, it's advisable to check local transport schedules for the Isère region or consult the official tourism website for the area, such as Auvergne-Rhône-Alpes Tourisme.

Are there any waterfalls or water features along the road cycling routes?

While road cycling routes primarily focus on mountain passes and scenic roads, the area around Lac du Verney is rich in water features. A walk along the lake's shores can lead you past a refreshing waterfall near the dam. The lake itself, with its clear waters, is a constant scenic companion on many routes.

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