4.6
(104)
4,733
riders
19
rides
Road cycling around Lac de Saint-Guérin offers routes through the Beaufortain region, characterized by its emerald blue lake waters and surrounding mountain pastures. The area features significant hydroelectric infrastructure, including the Saint-Guérin dam, and challenging natural features. Cyclists navigate roads that wind through valleys and ascend towards passes, providing diverse terrain. The landscape includes both paved roads and potential unpaved segments, catering to various road cycling preferences.
Last updated: July 5, 2026
3.0
(2)
43
riders
25.5km
01:49
940m
940m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(4)
259
riders
63.5km
04:18
2,100m
2,100m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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4.9
(45)
1,788
riders
58.0km
03:41
1,700m
1,700m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
143
riders
23.4km
01:43
920m
920m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
68
riders
171km
10:37
4,830m
4,830m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Lac de Saint-Guérin
very beautiful view of Mont Blanc
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A shame that the end of this magnificent pass is not better signposted.
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Very tough climb with several kilometers averaging over 9%. As you ascend, the views of the valley are wonderful.
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It allows you to go from Bourg Saint-Maurice to Moutiers away from the road except for two points.
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Cycle path along the Isere.
2
0
Unfortunately closed, but water source and dry toilet available.
2
0
Grandiose landscape, a dream as a descent.
2
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The Lac de Saint-Guérin area offers nearly 20 road cycling routes. These routes cater to various skill levels, with a good mix of moderate and difficult options to explore the stunning Beaufortain region.
The best time for road cycling around Lac de Saint-Guérin is typically during the warmer months, from late spring through early autumn. During this period, the mountain passes are generally clear of snow, and the weather is ideal for enjoying the scenic landscapes and challenging climbs. Winter conditions can make many routes inaccessible or hazardous.
While cycling, you'll encounter several impressive sights. The Lake Saint-Guérin itself, with its emerald blue waters, is a constant highlight. You can also see the impressive Saint-Guérin Dam. For panoramic views, routes often pass by viewpoints offering vistas of the surrounding mountain pastures and peaks like Roc du Vent and La Pierra Menta.
Yes, a unique attraction is the Himalayan footbridge, an 80-meter-long suspended walkway spanning over 20 meters above Lac de Saint-Guérin. It's accessible to everyone and offers a different perspective of the lake. Additionally, Lac Marcôt provides a leisure center with picnicking spots and a grassy beach.
The road cycling routes around Lac de Saint-Guérin are highly rated by the komoot community, with an average score of 4.6 stars from over 70 reviews. Cyclists often praise the challenging ascents, the stunning alpine scenery, and the diverse terrain that includes both paved roads and some unpaved segments, offering a true mountain cycling experience.
While many routes in the region are challenging, there are shorter, mostly paved rides of up to two hours with around 150 meters of elevation gain that are suitable for various fitness levels, including families. The area around the lake also offers comfortable, family-friendly walks, though some sections may have deteriorated.
Parking is generally available at key starting points for routes around Lac de Saint-Guérin, particularly near popular villages like Arêches and Beaufort, and close to the dam itself. Specific parking information can often be found in the detailed route descriptions on komoot.
Yes, the region features several excellent loop routes. For instance, the challenging Arêches Village Center – Vers le col du Pré loop from Arêches is a popular choice, offering significant elevation gain. Another option is the Vers le col du Pré – Lacets vers le col du Pré loop from Arêches, known for its challenging ascents.
Road cycling around Lac de Saint-Guérin is characterized by diverse terrain, ranging from winding valley roads to significant mountain ascents. You can expect substantial elevation gains, with many routes featuring over 900 meters of climbing. Some segments may include unpaved sections, adding to the challenge and requiring good fitness.
Absolutely. The region is renowned for its challenging climbs and has even hosted major cycling competitions like the Tour de France. Routes such as the Hauteluce – Vers le col du Pré loop from Arêches offer extensive climbs and are considered difficult. The Cormet d'Arêches (2107m) also presents a demanding ascent.
Yes, the villages surrounding Lac de Saint-Guérin, such as Arêches and Beaufort, offer various amenities including cafes, restaurants, and accommodation options. These spots are ideal for refueling or resting after a long ride, and many are conveniently located near popular route starting points.
Yes, the region is a significant destination for cycling. It has hosted stages of major events like the Tour de France and the Critérium du Dauphiné. Additionally, the area is part of the famous Route des Grandes Alpes, featuring iconic climbs like the Cormet de Roselend and Col des Saisies.
For experienced cyclists looking for a significant challenge, routes like the Col des Saisies – Beaufort loop from Arêches stand out. This route covers approximately 169 kilometers with nearly 4800 meters of elevation gain, requiring substantial endurance and fitness.


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