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Lac Vert: An Emerald Jewel of the French Alps

Discover Lac Vert in Passy: An emerald alpine lake offering breathtaking Mont Blanc views, serene hikes, and a tranquil escape into the heart of the French Alps.

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Lac Vert, or Green Lake, is a stunning alpine lake nestled near Passy, in the Haute-Savoie region of France. Its mesmerizing emerald waters, surrounded by dense pine forests and the towering Mont Blanc massif, create a picture-postcard setting. The lake's unique color comes from algae and mineral content, offering a captivating visual experience. A protected natural site since 1909, Lac Vert is a haven for hikers, nature lovers, and photographers seeking tranquility and breathtaking views. While swimming is prohibited to preserve its delicate ecosystem, a leisurely stroll around the lake reveals its beauty from every angle. The area is steeped in local legends, adding to the magic of this must-see destination in the Mont Blanc region. Whether you visit in summer for vibrant greenery or in winter for snow-dusted scenery, Lac Vert promises an unforgettable alpine escape. The lake is easily accessible, making it a perfect day trip for families and solo travelers alike.

A brief summary to Lac Vert

  • Passy, FR

Local tips

  • Visit during the shoulder seasons (late spring or early autumn) for fewer crowds and pleasant weather.
  • Wear sturdy hiking shoes as the trails around the lake can be uneven and muddy in places.
  • Bring a picnic to enjoy by the lake, but be sure to pack out all your trash to help preserve the environment.
  • Check the opening hours of the restaurant near the lake if you plan to have a meal there, as it may not be open year-round.
  • Take the free shuttle from Plaine-Joux parking lot during peak season (July and August) to avoid traffic and parking hassles.
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Getting There

  • Driving

    From Passy, follow the D43 towards Plaine-Joux. During the summer (mid-June to mid-September), parking is restricted near Lac Vert to protect the environment. Park at the large Plaine-Joux parking lot. From there, you can either take a free shuttle bus to Lac Vert (available in July and August) or walk for about 30 minutes along a fairly easy trail. Outside of the peak season, it may be possible to drive closer to Lac Vert, but check local restrictions beforehand. Parking at Plaine-Joux costs €3 per day for cars.

  • Public Transport

    From Sallanches or Passy Plaine-Joux, take bus line Y85 to the 'Plaine-Joux' stop. From there, follow the signs for Lac Vert, either taking the free shuttle (July and August) or walking for approximately 30 minutes. Bus fares vary depending on the origin, but expect to pay around €2-€4 for a single trip.

  • Walking

    If you choose to walk from Plaine-Joux parking, follow the well-marked trail towards Lac Vert. The walk is approximately 30 minutes and offers scenic views. Be aware that the path can be uneven in places. In winter, access on foot or snowshoes only, parking at Passy Plaine Joux parking lot compulsory.

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Discover more about Lac Vert

Lac Vert, aptly named for its striking emerald-green waters, is a captivating glacial lake nestled in the French Alps, near the charming town of Passy in the Haute-Savoie department. Situated at an elevation of approximately 1,200 meters, this alpine gem offers a breathtaking panorama of the Mont Blanc massif and the surrounding Rochers des Fiz mountain range. The lake's distinctive color is attributed to a combination of factors, including the presence of blue-green algae (cyanobacteria) and the unique mineral composition of the water, creating a mesmerizing spectacle that changes with the light and seasons. The surrounding dense pine forests provide a stunning contrast to the vibrant green of the lake, while also offering a tranquil and serene atmosphere. Classified as a natural site since 1909, Lac Vert is a protected area, ensuring the preservation of its fragile ecosystem. Swimming is strictly prohibited to maintain the purity of the water and protect its biodiversity. However, visitors can still fully appreciate the lake's beauty by taking a leisurely stroll along the well-maintained path that encircles its perimeter. This path offers various vantage points, each providing a unique perspective of the lake and its stunning surroundings. Lac Vert is not only a visual delight but also a place steeped in history and local legends. Formed possibly during a mountain collapse in 1471, the lake has been a source of fascination for centuries. Local folklore tells tales of a chamois whose tears filled the lake, giving it its unique color. The area has also attracted artists and filmmakers, with scenes from the TV series Kaamelott filmed at the lake. The lake and its surroundings are home to a diverse array of plant and animal species typical of alpine ecosystems. The forests are crisscrossed with little streams and rivers. The clear waters of the lake allow visitors to observe the bottom, with its accumulation of trees and vegetation. Fishing is permitted with a license, adding another dimension to the lake's appeal. For those seeking a more active experience, several hiking trails lead to and around Lac Vert, offering varying levels of difficulty. A popular option is the loop from Plaine-Joux, a family-friendly hike that takes you through forests and past paragliding launch areas, culminating in stunning views of the lake and Mont Blanc. Another option is to hike from the Plateau d'Assy, crossing the Nant Bordon footbridge for panoramic views. In the summer months, Lac Vert is a popular destination for picnics and leisurely walks, while in winter, it transforms into a magical snow-covered landscape, perfect for snowshoeing and winter hikes. The nearby Plaine-Joux ski resort offers additional opportunities for winter sports enthusiasts. Lac Vert is easily accessible by car or bus, making it a convenient day trip from nearby towns and cities. The lake's popularity can lead to crowds during peak season, so it's best to visit early in the morning or during the off-season to fully appreciate its tranquility. The lake is surrounded by high pine trees, which are reflected in its calm surface and offer a shady spot to sit and enjoy the view. There is a cafe at the lake itself, as well as more cafes and restaurants at nearby Plaine Joux. The forest is crisscrossed with little streams and rivers, which are charming but mean that the path can become boggy in places, so wear decent shoes if the weather has been a bit damp lately. Whether you're a nature lover, a hiking enthusiast, or simply seeking a peaceful escape in the heart of the French Alps, Lac Vert is a destination that will leave you spellbound with its beauty and serenity. Its emerald waters, stunning mountain backdrop, and rich history make it a truly unforgettable experience. In 1972, the commune replaced the old chalet by the grand bâtiment de bois actuel, bar-restaurant construit en bordure de forêt, face au Mont-Blanc, dégageant une grande place-parking entre lui et le Lac Vert and tenu par les frères Bottollier-Curtet Roger et Jean-Claude. Lac Vert is a real beauty spot, a little gem of a lake secluded in an enchanting forest, well worth the effort of hiking up. This is a great family walk with plenty to see along the way. Decent hiking boots for the ascent, the first part through Servoz is easy but the forest path can be muddy and steep in places. The scenic plateau of Plaine Joux is about 15 minutes walk from the lake, where you'll find more restaurants as well as parapenting and other activities.

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