Best attractions and places to see around Lac de Saint-Guérin include a blend of natural beauty and impressive engineering in the Beaufortain region. This artificial reservoir, situated at an altitude of 1557 meters, is known for its clear, turquoise waters set within a preserved alpine environment. The area offers panoramic views of surrounding mountains and serves as a starting point for various outdoor activities. It plays a role in regional hydroelectric energy production.
Last updated: May 27, 2026
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Popular around Lac de Saint-Guérin
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Beautiful alpine lake worth visiting.
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The site is a destination in itself. From the lake, access to various classic hikes: towards the Col de la Louze, towards the Lac des Fées...
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The Saint-Guérin road allows you to see the dam from the bottom, then access it at the edge of the reservoir.
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A magnificent site, easily accessible from Arêches on foot or by bike.
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View of the lake on an August morning, from the south bank.
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Beautiful lake, superb mountains, heavenly place.
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Beautiful dam overlooking the superb lake of the same name.
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Beautiful lake with splendid mountains in the background, a heavenly place.
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Lac de Saint-Guérin is renowned for its crystal-clear, turquoise waters set within a wild alpine environment at 1557 meters altitude. You'll find privileged views of surrounding mountain pastures and peaks like Roc du Vent. The lake is bordered by dense forests, offering a serene escape. You can experience these views from various points, including the View of Lac de Saint-Guérin.
Yes, the area features two notable engineering marvels. The Saint-Guérin Dam is an imposing arch dam, 250 meters long, constructed between 1957 and 1961 as part of a hydroelectric complex. You can walk freely on the dam. Additionally, the Himalayan Footbridge (Passerelle Himalayenne), an 83-meter long bridge spanning over 20 meters above the lake, offers thrilling panoramic views of the lake and surrounding mountains.
Lac de Saint-Guérin serves as a starting point for numerous hikes, ranging from family-friendly walks to more challenging routes. A popular option is an 8.4 km path around the lake, which includes crossing the Himalayan footbridge. More demanding trails lead to destinations like Lac des Fées, Col de la Louze, and Le Grand Mont. For detailed routes and difficulties, you can explore the Hiking around Lac de Saint-Guérin guide.
While swimming is prohibited in Lac de Saint-Guérin, you can enjoy various non-motorized water sports. Activities such as paddleboarding, canoeing, and kayaking are often available for rent. These activities are typically regulated and may require supervision by specific structures like Mountain Sup, as mentioned for Lac de Saint-Guérin.
Absolutely! The area is very family-friendly. The walk across the Himalayan Footbridge is considered accessible for families, and there's a popular 8.4 km walking path around the lake suitable for all ages. Two interactive educational routes introduced in 2015 help younger visitors understand the water cycle and the dam's construction. Picnic areas are also available along the lake's paths.
The best time to visit Lac de Saint-Guérin for outdoor activities like hiking and water sports is generally during the warmer months, from late spring to early autumn (June to September). During this period, the weather is pleasant, trails are clear, and facilities like the buvette (snack bar) are open. The lake's turquoise waters and surrounding alpine scenery are at their most vibrant.
The lake's name is linked to Saint Guérin, the patron saint of flocks, who, according to local tradition, lived as a hermit in the region in the 7th century. The area was historically used for mountain pastures before the construction of the dam. The dam itself, built between 1957 and 1961, represents a significant piece of regional engineering history, contributing to hydroelectric energy production.
Yes, the region offers mountain biking trails for various skill levels. You can find several routes, including challenging loops like the 'Fairy Lake – Fairy Lake loop' or 'Lake Saint-Guérin – Col du Pré (1703m) loop'. For more details on these and other MTB trails, refer to the MTB Trails around Lac de Saint-Guérin guide.
Around the lake, you'll find picnic tables along the walking paths for outdoor dining. There is also a buvette selling drinks and snacks between June and September, and public toilets on the lake shore, particularly near the car parking around the north-western edge of the lake.
Visitors consistently praise the Lake Saint-Guérin for its stunning turquoise waters and wild, preserved setting, making it a popular spot for hikers of all ages. The imposing Saint-Guérin Dam is also appreciated for its views, and the overall magnificent site with splendid mountains in the background is frequently highlighted.
While specific public transport details are not provided, the area is generally accessible by car. There is car parking available, particularly around the north-western edge of the lake, which serves as a convenient access point for many trail running and hiking tours in the area. It's advisable to check local transport options if you plan to rely on public services.
The region is generally welcoming to outdoor enthusiasts, including those with dogs. Many hiking trails around Lac de Saint-Guérin are suitable for dogs, but it's always recommended to keep them on a leash, especially in areas with grazing livestock or protected wildlife. Always ensure you clean up after your pet to maintain the pristine alpine environment.


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