Best lakes around Saint-Rhémy-En-Bosses are situated in the Aosta Valley, a region known for its alpine environment and proximity to the Italian-Swiss border. The area features high-altitude lakes and historical mountain passes. Its natural landscape provides diverse opportunities for outdoor exploration. This region offers a variety of lakes to see and explore, from those nestled in alpine passes to those within nature reserves.
Last updated: October 16, 2026
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The By basin extends over a wide plateau in the lower part of which lies the small By lake, surrounded by an amphitheater of peaks reaching almost 3,000 meters. Once inhabited year-round for the cultivation of rye and wheat, the basin today preserves traces of the ancient village, numerous pastures linked to summer transhumance, and the historic Casa Farinet, which hosted President Luigi Einaudi during his escape to Switzerland in the fascist period.
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Stunning landscape, very gusty winds
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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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https://youtu.be/mZBwtho5OI4 Flat plain that bypasses the Alpine Road via a dirt road
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Hotel Italia is highly recommended
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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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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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Cycle path that connects Morgex to La Salle within the Marais Nature Reserve. The route follows a stretch of Dora Baltea crossing its alluvial plain, where there are lakes, marshes and hygrophilous woods. It is almost 4 kilometers long and allows you to avoid the Aosta state road which can be busy at peak times.
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The region is characterized by its alpine environment and high-altitude lakes. You can see the green-blue waters of the Great St. Bernard Lake, which is bisected by the Italian-Swiss border, offering stunning mountain reflections. The Fenetre Lakes provide spectacular views, including the impressive Grand Golliat massif and the Mont Blanc massif. Additionally, the Marais Nature Reserve features a unique landscape with lakes, marshes, and hygrophilous woods.
Yes, the Great St. Bernard Pass, where the Great St. Bernard Lake is located, is an ancient transit route between northern and southern Europe. Near the lake, you can visit the Great St Bernard Hospice and museum, which offer insight into the region's rich history and tradition of hospitality dating back centuries.
The road leading to the Great St. Bernard Lake from Saint-Rhémy-en-Bosses is typically open from June to October, making this the most accessible period. During these months, the alpine environment is most welcoming for hiking and enjoying the lake scenery.
Yes, the Great St Bernard Hospice area is considered family-friendly, offering a peaceful place to relax with great views. The Marais Nature Reserve also features a cycle path that is suitable for families, allowing you to explore its unique landscape of lakes and woods.
You'll find a variety of hiking trails. The Fenetre Lakes are primarily accessible via challenging and scenic hiking routes from the Col du Grand St-Bernard, ideal for experienced hikers seeking breathtaking panoramas. For those looking for mountain hikes, routes like the 'Hospice du Grand-Saint-Bernard – Lac du Grand-Saint-Bernard loop' are available. You can find more details on these trails in the Mountain Hikes around Saint-Rhémy-En-Bosses guide.
Yes, Lac des Toules, while technically in Switzerland, is part of the Val d'Entremont which connects to the Aosta Valley. This artificial reservoir is notable for being home to the world's first high-altitude floating solar power plant, showcasing a blend of natural mountain scenery with cutting-edge sustainable technology.
Visitors appreciate the stunning views, especially the reflections of the surrounding mountains in the clear waters of lakes like the Great St. Bernard Lake. The Fenetre Lakes are praised for their indescribably beautiful scenery, including views of the Mont Blanc massif. The historical significance of the Great St. Bernard Pass also adds to the appeal.
Yes, the region offers opportunities for both cycling and gravel biking. The Marais Nature Reserve has a cycle path. For more extensive routes, you can explore options like the 'Great St Bernard Hospice – Col du Grand Saint-Bernard loop' for cycling, or various gravel biking routes. Detailed guides are available for Cycling around Saint-Rhémy-En-Bosses and Gravel biking around Saint-Rhémy-En-Bosses.
Yes, accessing Lago delle Rane involves a trail with some steep sections, requiring surefootedness. It is described as a scenic highlight, particularly for those with experience.
Yes, the Great St. Bernard Lake is unique in that it is bisected by the Italian-Swiss border, making it a privileged crossroads between the two countries.
The Great St. Bernard Lake is situated at an altitude of 2447 meters above sea level, right in the heart of the Alps.
Yes, the Marais Nature Reserve is located nearby. It features a stretch of the Dora Baltea river, crossing an alluvial plain where you can find lakes, marshes, and hygrophilous woods, offering a diverse natural environment.


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