4.7
(6)
91
riders
9
rides
Gravel biking around Lac de Roselend offers diverse terrain set high in the French Alps, characterized by majestic mountains, verdant alpine meadows, and the captivating turquoise waters of the artificial reservoir. The landscape features prominent peaks such as Roc du Vent and La Pierra Menta, alongside rolling mountain pastures. Routes often include a mix of paved and unpaved roads, providing challenging climbs and scenic descents through this high-altitude environment.
Last updated: September 30, 2026
5.0
(2)
39
riders
86.7km
07:06
3,010m
3,000m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
19
riders
27.5km
02:29
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

20
riders
41.7km
03:33
1,460m
1,460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
7
riders
28.1km
02:25
1,110m
1,110m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
62.9km
05:16
2,050m
2,050m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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On the route from Col du Pre to Roselend
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A shame that the end of this magnificent pass is not better signposted.
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Always beautiful view of the reservoir and the mountains.
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(Non-electric mountain bike with baby carrier) The start is on a paved road, with some steep climbs, up to the restaurant (closed in summer). Then it's a fairly smooth ride before tackling the climb to Mont Clocher. Be careful, it's very steady but requires a significant effort. The descent is gentle; you can finish with the green DH trail for the more adventurous!
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The Roselend Dam is located in the commune of Beaufort-sur-Doron, in the Beaufortain region of Savoie, between the Col du Pré and the Cormet de Roselend, near the Arêches-Beaufort ski resort. The surrounding mountains reach an altitude of around 2,800 meters. It is part of the Roselend La Bâthie hydroelectric complex, which includes the Roselend Dam and two satellite dams: La Gittaz and Saint-Guérin. This complex is managed by EDF's Alpes Production Unit. The Roselend La Bâthie hydroelectric complex produces the equivalent of the domestic energy consumption of 450,000 residents, thus avoiding the emission of 890,000 tons of CO2 per year. The Roselend Dam is a double-curved arch dam with buttresses. Height = 150 meters Crest length = 804 meters Water reservoir [of the hydroelectric complex] = 187 million m3 The Roselend - La Bâthie development is supplied by the Roselend dam itself, as well as by two satellite dams, La Gittaz and Saint-Guérin. The total storage capacity of these three reservoirs, connected by a system of galleries, is 213 million m3. The water collected at Roselend crosses the massif through a 12.5 km long gallery to flow at an altitude of 1,400 m into the Isère Valley, in the Tarentaise region. It is then transported to the underground plant at La Bâthie via a 2,500 m long penstock, with a drop of 1,200 m. The power plant is equipped with six Pelton-type generating units with a total capacity of 550 MW. Since 2013, EDF has been replacing the main components of each generating unit (turbine, generator, transformer, and energy evacuation cables) to achieve a total capacity of 600 MW by the end of 2018. https://youtu.be/G0Ss9v6wxQQ
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Originally, there was a Romanesque chapel in the hamlet of Roselend. It was dedicated to Saint Mary Magdalene. A 13th-century document mentions a chapel that could be this one. More precise sources indicate that the bell was cast in 1608 or that donations were made in 1710, 1757, and 1760. In 1794, it hosted four émigré priests from the valley for their first mass after their return from exile, including the future Archbishop of Chambéry, Antoine Martinet. Submerged when the dam was filled on May 6, 1960, a chapel was rebuilt two years later near the road overlooking the lake, in a more modern style.
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The gravel bike trails in the Lac de Roselend area offer a diverse mix of surfaces. You'll encounter both paved and unpaved roads, often with challenging climbs and scenic descents. The landscape features majestic mountains, verdant alpine meadows, and the captivating turquoise waters of the reservoir, providing a true high-alpine gravel biking experience.
Yes, while many routes are challenging, there are options for moderate fitness levels. For example, the Beaufort – Beaufort loop from Arêches is a moderate 13.5 km (8.4 miles) route with around 424 meters (1,391 feet) of elevation gain, offering a less strenuous ride through the beautiful alpine scenery.
The region is rich in natural and man-made attractions. You can ride past the impressive Roselend Dam, an engineering marvel offering panoramic views. Many routes also pass by the rebuilt Roselend Chapel, a poignant historical site. The area also features iconic mountain passes like the Cormet de Roselend and the Col du Pré, known for their challenging climbs and spectacular vistas.
Yes, many of the gravel bike routes around Lac de Roselend are designed as loops. For instance, the challenging Serpentine Route – Roselend Chapel loop from La Gittaz is a popular circular option, covering 65.9 km (40.9 miles) with significant elevation gain. Another loop is the Beaufort – Beaufort loop from Le Chantel, which offers substantial climbs and descents.
The best time for gravel biking around Lac de Roselend is typically from late spring to early autumn (June to September). During these months, the snow has usually melted from higher elevations, and the weather is generally more stable, offering pleasant conditions for riding. Always check local weather and trail conditions before heading out, as high-alpine environments can be unpredictable.
Gravel bike trails around Lac de Roselend are known for significant elevation gains, reflecting the high-alpine environment. Difficult routes can feature over 1,900 meters (6,200 feet) of ascent, such as the Serpentine Route – Roselend Chapel loop from La Gittaz. Even moderate routes will include substantial climbing, like the Beaufort – Beaufort loop from Arêches with its 424 meters (1,391 feet) of climbing.
The gravel biking routes in Lac de Roselend are highly regarded by the komoot community, boasting an average score of 5.0 stars from several reviews. Riders often praise the breathtaking alpine scenery, the challenging yet rewarding climbs, and the unique experience of riding through such a majestic mountain landscape.
Yes, some routes in the region allow you to explore other beautiful bodies of water. The Arêches Village Center – Fairy Lake loop from Beaufort, for example, takes you past Fairy Lake, which is part of the same hydroelectric system as Lac de Roselend and Lac de Saint-Guérin. Lac de Saint-Guérin is also notable for its spectacular Himalayan footbridge.
The charming town of Beaufort serves as a common starting point for many routes and offers amenities such as cafes and restaurants where you can refuel. Additionally, the Chalet de Roselend, situated with a panoramic view of the lake, provides a place to relax and enjoy local specialties or a refreshing drink.
While many routes in the region are challenging, there are some shorter and less strenuous options that might be suitable for families with older, experienced children. The Beaufort – Beaufort loop from Arêches is rated as moderate and could be a good starting point for families looking for a less demanding ride. Always consider the elevation gain and distance when planning a family outing.
The Lac de Roselend area is known for its difficult gravel routes. The Serpentine Route – Roselend Chapel loop from La Gittaz is a particularly challenging option, spanning 65.9 km (40.9 miles) with over 1,900 meters (6,200 feet) of elevation gain. Another demanding route is the Arêches Ski Resort – Plan Villard loop from Beaufort, which covers 26.0 km (16.1 miles) with nearly 950 meters (3,100 feet) of climbing.


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