Highlight • Lake
Lake Roy
Hiking
5.0
(75)
Lac de Roy is a stunning natural freshwater lake nestled in the heart of the mountains of the Praz de Lys-Sommand resort in Haute-Savoie, France. Situated within the commune of Taninges, this picturesque lake rests in the cirque of an ancient glacier, at an elevation of approximately 1,660 to 1,700 metres (5,500 feet) above sea level. Its idyllic setting, suspended high above Le Praz-de-Lys, makes it a cherished natural gem in the French Alps.
Visitors consistently praise Lac de Roy for its crystal-clear waters, which beautifully reflect the surrounding green alpine meadows and dramatic limestone cliffs. From its shores, hikers are treated to magnificent panoramic views stretching across the valley of the Giffre, the expansive meadows of Sommand–Praz de Lys, and prominent peaks such as the Môle and the Aravis. The serene atmosphere and wild beauty of this mountain lake create a truly memorable experience.
Getting to Lac de Roy is notably accessible, making it a popular destination for families and nature lovers. Simple walking paths lead to the lake, with a pleasant 30-minute stroll from Praz de Lys or the Molliettes parking lot being a common approach. While the area is generally easy to navigate, comfortable footwear is always recommended for exploring the surrounding trails. During winter, some access roads may close to cars, so checking local conditions is advisable.
The best time to visit Lac de Roy depends on the desired experience. In summer, it transforms into an ideal spot for relaxing, picnicking, and observing local wildlife, including marmots and grazing cows. From October until May, the lake's surface freezes, offering a magical, snowy landscape perfect for winter activities like snowshoeing, cross-country skiing, and winter hiking. The lake serves as a crossroads for numerous trails, catering to various activity levels.
Hikers often delight in the diverse wildlife found around Lac de Roy, with sightings of marmots being a particular highlight. The purity of the lake's waters and the unspoiled natural environment contribute to a sense of peaceful escape. Whether enjoying a simple circular walk around the lake's edge or embarking on more challenging routes to nearby summits, the views and tranquility are consistently rewarding.
For those eager to explore the stunning landscapes of Haute-Savoie, Lac de Roy offers a fantastic starting point. Numerous trails branch out from the lake, ranging from easy family-friendly hikes to more demanding ascents towards peaks like Pic de Marcelly, Pointe de Perret, and Pointe du Haut Fleury, which promise 360-degree panoramic vistas. You can discover a wide variety of routes and plan your adventure using komoot, ensuring you find the perfect path to experience this beautiful alpine setting.
Tips
June 6, 2025
Hiking
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Nearby routes
Best routes near Lake Roy
4.5
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314
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04:09
560m
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Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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230
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Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Details
Informations
Elevation 1,710 m
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Frequently Asked Questions
How can I reach Lac de Roy using public transport?
While there isn't direct public transport to Lac de Roy itself, you can typically reach the nearby villages of Praz de Lys or Sommand by bus, depending on the season. From these points, the lake is accessible via well-marked hiking trails. It's recommended to check local bus schedules for the Praz de Lys-Sommand area before planning your trip.
Is Lac de Roy suitable for a winter hike or snowshoeing?
Absolutely! During winter, from October until May, the lake's surface freezes, transforming the landscape into a magical, snowy wonderland. It's an ideal spot for activities like snowshoeing, cross-country skiing, and winter hiking. Be aware that some access roads may be closed to cars during this period, so plan accordingly and check local conditions.
Are dogs allowed on the trails around Lac de Roy?
Yes, dogs are generally permitted on the trails around Lac de Roy. However, it's crucial to keep them on a leash, especially due to the presence of grazing livestock (cows) and local wildlife like marmots. Always ensure you clean up after your pet to preserve the natural environment.
What are the parking options available near Lac de Roy?
The most common parking option is the Molliettes parking lot, which is a popular starting point for the relatively easy 30-minute walk to the lake. During peak season, especially in summer, parking can fill up quickly. Arriving early in the morning is highly recommended to secure a spot.
Can I swim in Lac de Roy?
While the crystal-clear waters of Lac de Roy are inviting, it is a natural mountain lake and generally not designated for swimming. The water is often very cold, and there are no supervised swimming areas or facilities. It's best enjoyed for its scenic beauty and as a starting point for hikes.
What kind of wildlife can I expect to see around Lac de Roy?
Lac de Roy is home to diverse alpine wildlife. Hikers frequently report sightings of marmots, which are a particular highlight. You'll also likely see cows grazing in the surrounding alpine pastures during warmer months. Birdwatching is also popular in the area.
Are there any easy, family-friendly hiking routes directly from Lac de Roy?
Yes, Lac de Roy is known for its accessibility and offers several family-friendly options. A simple circular walk around the lake's edge is very popular and suitable for all ages. The path from the Molliettes parking lot is also considered an easy, pleasant stroll, making it ideal for families with young children.
What are some more challenging hikes that start from or pass by Lac de Roy?
For those seeking more challenging adventures, Lac de Roy serves as a crossroads for routes leading to higher summits. Popular options include ascents to Pic de Marcelly, Pointe de Perret, and Pointe du Haut Fleury. These trails offer more significant elevation gain and reward hikers with breathtaking 360-degree panoramic views of the Mont Blanc range and surrounding peaks.
Are there cafes, restaurants, or accommodation options near Lac de Roy?
There are no direct amenities like cafes or restaurants right at Lac de Roy itself, as it's a preserved natural site. However, you'll find various cafes, restaurants, and accommodation options in the nearby villages and resorts of Praz de Lys and Sommand, which are just a short distance away by car or hike.
How crowded does Lac de Roy get, especially during peak season?
Lac de Roy is a popular destination, especially during the summer months and on sunny weekends. While it offers a serene escape, it can get quite busy, particularly the easy paths leading to the lake. To avoid the largest crowds, consider visiting early in the morning or later in the afternoon, or during the shoulder seasons.
What is the best time of year to visit Lac de Roy for photography?
For photography, Lac de Roy offers stunning visuals year-round. Summer provides vibrant green meadows, clear reflections, and dramatic limestone cliffs. Autumn brings beautiful golden hues to the surrounding foliage. Winter transforms the scene into a magical, snow-covered landscape with a frozen lake surface, offering unique opportunities for capturing serene, icy vistas.