4.5
(27)
301
riders
8
rides
Gravel biking around Lac De Devesset offers diverse landscapes on the Haut-Vivarais plateau, situated at over 1,000 meters altitude in the northern Ardèche. The region features high-altitude fir forests surrounding a 50-hectare artificial lake, providing varied terrain for cyclists. Trails include a mix of wide gravel paths, logging tracks, shaded forested sections, and occasional paved descents. This area is recognized for its ecological importance, ensuring a well-preserved natural environment for exploration.
Last updated: July 3, 2026
5.0
(8)
109
riders
72.0km
05:15
1,440m
1,440m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.8
(4)
31
riders
27.2km
01:51
550m
550m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.7
(3)
22
riders
43.1km
02:53
830m
830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
18
riders
114km
08:17
2,420m
2,420m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(12)
117
riders
43.0km
03:00
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Excellent cuisine! Very friendly service
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A large, refreshing tunnel
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In 10 days we will be back on this beautiful route :-)
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Dolce via Ardèche greenway old railway gravel ride magnificent
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Perfect location, visible from afar
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Even if the greenway no longer passes over the bridge, it bears witness to the work carried out at the time to avoid a scree zone. More than 100 years after its construction and after having seen hundreds of trains pass by, it is still there, and that's so much the better!
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ideal to do in force, if you have little time, or on a stroll for nice views and picturesque panoramas.
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The terrain around Lac de Devesset is quite varied, reflecting its high-altitude setting on the Haut-Vivarais plateau. You'll encounter a mix of wide gravel paths, logging tracks, and shaded forested sections. There are also occasional smooth tarmac descents. The region is known for its diverse landscapes, from fir forests to the shores of the artificial lake, offering a constantly changing surface for gravel biking.
While many of the gravel routes around Lac de Devesset are rated as difficult, requiring good fitness and advanced riding skills, there is at least one route considered easier. The area's trails generally range from moderate to hard, with some sections potentially requiring you to push your bike. For families or beginners, it's advisable to carefully review route details for elevation and distance before setting out.
Many routes incorporate scenic highlights. For instance, you can explore sections of the historic Dolce Via, which often features impressive structures like the Viaduc de Chabranç and various tunnels, such as the Tunnel des Nonnières. The trails also offer extensive views across the high-altitude fir forests and the beautiful Lac de Devesset itself, especially during autumn when the landscape takes on a 'Little Canada' appearance.
The gravel biking experience around Lac de Devesset is highly rated by the komoot community, with an average score of 4.5 stars from over 24 reviews. Cyclists often praise the diverse landscapes, the well-preserved natural environment (as it's a ZNIEFF and Natura 2000 site), and the challenging yet rewarding routes that combine varied surfaces and scenic viewpoints.
Yes, many of the gravel routes around Lac de Devesset are designed as loops. For example, you can ride the Viaduc de Chabranç – Tunnel Du Bon Pas loop from Saint-Agrève, which is a 43.2 km trail through forested areas. Another option is the Viaduc de Chabranç – Viewpoint on the Dolce Via loop from Saint-Agrève, offering different perspectives of the region.
The region around Lac de Devesset, situated at over 1,000 meters altitude, offers distinct seasonal experiences. Autumn is particularly recommended for its 'Little Canada' like scenery as the colors change. While the area is suitable for cycling through much of the year, be mindful of weather conditions, especially at higher elevations. Summer offers pleasant temperatures for outdoor activities, including swimming in the lake.
Yes, Lac de Devesset itself is a hub for water activities. Swimming is permitted and supervised in designated areas during the summer months. Beyond swimming, you can also enjoy windsurfing, catamaran, dinghy sailing, paddleboarding, kayaking, and pedal boat rentals on the lake, making it a great spot to cool off after a ride.
Many of the gravel routes around Lac de Devesset start from Saint-Agrève, which is a common access point for the region's trails. You can typically find parking facilities in and around towns like Saint-Agrève, providing convenient access to the trailheads. It's always a good idea to check specific starting points for parking availability.
One of the most extensive gravel bike routes in the area is the Tunnel des Nonnières – Viewpoint on the Dolce Via loop from Gare de Saint-Agrève. This challenging trail spans approximately 114.1 km and typically takes around 10 hours and 18 minutes to complete, offering extensive views along the Dolce Via.
Absolutely! Lac de Devesset is a prime destination for a variety of outdoor activities. Besides gravel biking, you can enjoy hiking on numerous paths around the lake and in the wider Ardèche area, including an interpretation trail. Water sports like paddleboarding and kayaking are popular on the lake, and there are also options for mountain bike rental, orienteering, and picnic spots under fir trees.
While most routes are rated difficult, the region does offer options for varying abilities. For example, the Tunnel Du Bon Pas – Viaduc de Chabranç loop from Saint-Agrève is a shorter, 27.2 km route. It's still rated difficult, but its shorter distance might make it more manageable for those with good, but not expert, fitness levels. Always check the elevation profile to ensure it matches your comfort level.


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