4.4
(716)
62,844
riders
67
rides
Road cycling around Lac Du Verney offers diverse routes set against the backdrop of the Belledonne and Grandes Rousses mountain ranges. This artificial reservoir, situated at 725 meters altitude, serves as a base for routes that feature significant elevation gains and panoramic views. The terrain includes challenging mountain passes, scenic viaducts, and routes that follow the lake's edge. The region is characterized by its mountainous landscape, providing varied cycling experiences from demanding climbs to more moderate loops.
Last updated: May 20, 2026
4.9
(9)
1,509
riders
43.3km
02:22
860m
860m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(10)
1,298
riders
124km
07:54
3,650m
3,650m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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4.3
(4)
121
riders
32.7km
02:02
710m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
145
riders
106km
06:02
2,390m
2,390m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(2)
85
riders
21.5km
01:41
920m
920m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Picnic area and leisure center ...
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Hard but absolutely quiet. Asphalt in moderate condition.
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Very pleasant to ride, as it is rarely steeper than 6-7%
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Hard climb but very idyllic and absolutely little traffic
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From Le Bourg-d'Oisans the pass is very pleasant to drive.
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This was a beautiful, challenging climb. There were hardly any other cyclists or cars. Ideal if you're looking for some peace and quiet and adventure.
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There are over 70 road cycling routes around Lac Du Verney, catering to various skill levels. This includes 27 easy routes, 26 moderate routes, and 23 difficult routes, ensuring options for every cyclist.
The terrain around Lac Du Verney is diverse, featuring challenging mountain passes like the Col de la Croix de Fer, scenic viaducts, and routes that follow the lake's edge. You'll encounter significant elevation gains and panoramic views of the surrounding Belledonne and Grandes Rousses massifs.
Yes, there are 27 easy road cycling routes available. For instance, the Le Bourg-d'Oisans – Viaduct of Lac du Verney loop from Oz is a 20.3-mile (32.6 km) trail with a moderate elevation gain, often completed in about 1 hour 26 minutes. Another option is the Green Cycling Path – Viaduct of Lac du Verney loop from Allemond, which is 15.5 km long.
Absolutely. The region is renowned for its challenging mountain passes. The Col de la Croix de Fer, starting from Allemond, is a notable climb stretching over 29 kilometers. Other demanding routes include the Viaduct of Lac du Verney – Col du Mollard loop from Oz, which features over 3,700 meters of elevation gain.
Many routes offer stunning views and pass by significant landmarks. You can expect to see the impressive Viaduct of Lac du Verney, which provides expansive views of the reservoir. The View of Lake Verney from the Boulangeard also offers panoramic vistas. The famous Col de la Croix de Fer is a major highlight for cyclists.
Yes, the area is rich in natural beauty. You'll cycle alongside the turquoise waters of Lac Du Verney, reflecting the surrounding Belledonne and Grandes Rousses massifs. The routes often provide views of the Verney Dam and the picturesque mountain landscapes that define the region.
Yes, several circular routes are available. For example, the Ornon Pass – Viaduct of Lac du Verney loop from Oz is a popular 48 km circular trail. Another option is the Route du pas de la confession – Viaduct of Lac du Verney loop from Allemond, a difficult 33.2 km loop.
The road cycling routes around Lac Du Verney are highly rated by the komoot community, with an average score of 4.6 stars from over 700 reviews. Cyclists frequently praise the challenging mountain passes, the stunning panoramic views of the massifs, and the diverse terrain that offers something for all abilities.
The best time for road cycling in Lac Du Verney is typically from late spring to early autumn (May to October). During these months, the weather is generally more favorable for tackling the mountain passes and enjoying the scenic routes, with less risk of snow or ice at higher elevations.
While specific parking areas for each route are not detailed, the region around Lac Du Verney, including towns like Allemond and Oz, generally offers parking facilities. The nautical base on the western shore and Parc des Tilleuls in Allemond are known spots for visitors, which may include parking suitable for accessing nearby cycling routes.
Beyond the cycling itself, you can explore the Himalayan footbridge at Lac du Verney, which offers unique views of the lake and mountains. The EDF Hydrelec Museum near the Verney Dam also provides insight into the region's hydroelectric history.


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