Lakes around Saint-Oyen are found in the surrounding Aosta Valley, a region known for its alpine lakes nestled amidst mountains. While Saint-Oyen itself is a small village, the nearby area offers numerous accessible lakes. These natural and artificial basins provide diverse outdoor experiences and scenic views of the Mont Blanc massif and other peaks.
Last updated: June 30, 2026
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The highest road pass in the Aosta Valley and a place that has always fascinated the writer for its thousand-year history, the austere Mauritian hospice and the profound beauty of the landscape.
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The Lacs de Fenêtre can be reached from the Val Ferret or from the Col du St. Grand Bernard via the 2,698-meter-high Fenêtre de Ferret mountain pass. The scenery, with the heart-shaped lake and the imposing peaks of the Mont Blanc massif, is indescribably beautiful.
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Hotel Italia is highly recommended
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Luckily, the lakes are in Switzerland and not Italy, so you can swim in them.
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The austere buildings of the Hospice of Great St. Bernard are situated in a rocky pass through which an icy wind almost always blows, on the edge of a lake that is frozen for an average of 265 days a year and where winter lasts almost eight months. For nine centuries, the Canons Regular of the Order of St. Augustine, who settled here at the instigation of St. Bernard of Menthon, have maintained a tradition of helpfulness and hospitality. Travellers who wish to relax for a while in this peaceful place are welcome all year round.
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Just get a little bit higher up the valley so you get the full view of all the three lakes.
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A wonderful sight after a long climb - in early summer, when the lake is just waking up from hibernation, you can sometimes see very beautiful pictures of melting ice, snow marbled with Sahara dust and blue water.
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Drive past and enjoy, definitely too cold for swimming
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Visitors frequently enjoy Fenetre Lakes for its incredible views of the Mont Blanc massif and Val Ferret. Another favorite is Lac de Grand Saint Bernard, a mountain lake split between Italy and Switzerland, offering a unique cross-border experience. Lago delle Rane is also popular for its scenic beauty, though it requires surefootedness for its steep descent.
Yes, Lake Maen (also known as Lake Maen) in the Valtournenche valley is an excellent choice for families. It features a large picnic area and a flat, accessible route along its banks, suitable for all ages. Similarly, the easy route along Place Moulin Lake is suitable for families with children and leads to a small village with an alpine hut and restaurant.
For breathtaking views of the Mont Blanc massif, you should visit Fenetre Lakes, known for its heart-shaped lake and imposing peaks. Lake Arpy also offers stunning views of the Mont Blanc massif, making it ideal for nature lovers. Additionally, Lake Chamolé provides a wonderful panoramic view of Mont Blanc, the Great Saint Bernard valley, and the Gran Combin.
Yes, Lake Verney, the largest glacial lake in the La Thuile area, is known for its crystal-clear waters and rich aquatic life, making it perfect for fishing enthusiasts. It also offers a beautiful setting for summer picnics.
The best time to visit the lakes around Saint-Oyen is generally from June to October. During these months, the weather is milder, and many lakes, like Lake Verney, are accessible by car. The alpine meadows are vibrant, and the trails are typically clear for hiking, allowing for the best enjoyment of the scenery.
Absolutely. While Place Moulin Lake offers an easy route, dedicated hikers can undertake a more challenging and steep ascent to Lac Long (2725 meters) and Lac Mort (2844 meters). These higher-altitude lakes provide amazing views and a more secluded experience amidst the mountains and alpine meadows.
The Blue Lake (Lago Blu) is famed for its intense, vivid blue color. On clear days, it provides an iconic reflection of Mount Cervino (the Matterhorn), creating a spectacular photographic opportunity. It's surrounded by centuries-old larch trees, adding to its charm.
The region around Saint-Oyen offers a variety of outdoor activities. You can find numerous hiking trails, from moderate to difficult, such as the 'Tour of Mont Fallère - Third Stage' or the 'Alpine trail to Col de Flassin'. For road cycling, routes like the 'Great St Bernard Hospice – Émile Chanoux Square loop' are available. You can explore more options on the Hiking around Saint-Oyen or Road Cycling Routes around Saint-Oyen guide pages.
Lac de Grand Saint Bernard is a mountain lake located at 2,447 meters above sea level, uniquely split between Switzerland and Italy, forming a historical crossroads between the two countries. Nearby, the Great St Bernard Hospice has maintained a tradition of hospitality for nine centuries.
Accessibility varies by lake. Some, like Lake Verney, are accessible by car from June to October. Lake Maen offers a flat, accessible route along its banks. For others, like Lake Arpy, you can reach it via a well-marked trail starting from Morgex. Parking availability will depend on the specific lake and trailhead, but many popular spots have designated areas.
Visitors frequently highlight the stunning natural beauty, the tranquility, and the diverse outdoor experiences. The incredible views of the Mont Blanc massif and other peaks, the picturesque landscapes, and the opportunities for hiking and photography are often mentioned. The komoot community has shown appreciation with over 170 upvotes and more than 80 photos shared for these lakes.
Yes, the Blue Lake (Lago Blu) is exceptional for photography, especially on clear days when it offers an iconic reflection of Mount Cervino (the Matterhorn) in its vivid blue waters. Fenetre Lakes also provides an indescribably beautiful scene with its heart-shaped lake and imposing Mont Blanc massif peaks, perfect for capturing stunning alpine landscapes.


Still not found your perfect lake around Saint-Oyen? Check out the guides of these regions to see even more beautiful places.