Best lakes around Grimentz are found in a landscape featuring several mountain lakes, each offering distinct attractions. This Swiss Alpine region is characterized by its high-altitude reservoirs and natural lakes. The area provides opportunities for exploring diverse aquatic environments. Grimentz is situated in the Valais Alps, known for its prominent peaks and glacial features.
Last updated: May 3, 2026
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Mountain Hikes around Grimentz
I did this hike in early May 2024, just a few days after the ski season was over and the slopes had closed. The valley was completely deserted and it felt magical! The peaks were still covered in snow, but the first signs of spring were beckoning. On the final stretch to Lac d'Arpitetta, I was wading through snow up to my knees. Without proper gear I couldn’t get any farther than the small lake. The view on that crystal-clear spring day was absolutely fantastic! Check the picture I uploaded with all the peak names added.
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An easy and accessible hiking destination in a spectacular setting.
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You can walk along the dam wall, but bicycles are not allowed. Wonderful views along the wall into the landscape and to the unique turquoise colored water which is flowing from above :)
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The climb to the village of Villa is very beautiful; you pass many historic residential buildings. Overall, it's a manageable distance for the day's walk from Moiry Dam and return via this location.
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Lake Arpitettaz is a small mountain lake on the road to Cabane d’Arpitettaz. If you don't want to go to the Cabin, you can also make a loop to return to Zinal via the Roc de la Vache from the Lake. However, there is a trick to getting to Lac d’Arpitettaz from Zinal. If you stay on the right bank of the river, you will have to take a difficult and steep passage called “Pas du Chasseur” where you will have to hang on to chains for part of the way. This is not ideal, especially if you have young children. Instead, stay on the left bank of the river towards the Cabane du Petit Mountet and from there follow the direction of Lac d'Arpitettaz. You will cross the river on a pretty modern bridge. This will add an extra 10 minutes to your hike but above all you will have peace of mind and be able to see the Zinal Waterfall. It's really worth the detour.
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The reservoir was completed in 1958. It has an arched wall with a length of 610 m and a height of 148 m. The volume of the barrier is 815,000 m3, the storage volume is 78 million m3 and the surface of the lake is 140 hectares. and a length of 2.4 km. In conjunction with the other reservoirs in the region, the lake is used exclusively to generate electricity. (Source: Viking Voyage)
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Among the many beautiful lakes, Lake Moiry stands out for its intense turquoise-blue waters and impressive dam. Visitors also highly recommend Blue Lake for its stunning blue shining waters, and Lac d'Arpitettaz, known for reflections of the Turtmann glacier.
Yes, several lakes around Grimentz are suitable for families. Lake Moiry, Blue Lake, Lac de la Brèche, and Lake Châteaupré are all categorized as family-friendly. The area around Lac de Moiry offers easy strolls, and the path to Lac d'Arpitettaz can be made easier by taking the left bank of the river, avoiding a difficult section with chains.
The lakes around Grimentz offer diverse natural beauty. You'll find high-altitude reservoirs like Lake Moiry with its vibrant turquoise waters fed by the Moiry Glacier, and serene mountain lakes such as Lac des Autannes and Lac de Lona, which provide breathtaking panoramic views and reflections of surrounding peaks. Many lakes are natural monuments, showcasing the raw alpine environment.
The region is excellent for various outdoor activities. You can enjoy extensive hiking, from easy walks around lakes like Moiry to more challenging routes. The area also offers opportunities for gravel biking and general cycling. For specific routes, explore the Mountain Hikes around Grimentz, Gravel biking around Grimentz, and Cycling around Grimentz guides.
Yes, there are numerous hiking trails. Around Lake Moiry, a popular 7 km 'Tour du Lac de Moiry' takes about 2.5 hours. More ambitious hikers can trek to Cabane de Moiry for glacier views. For Lac d'Arpitettaz, you can find a loop back to Zinal via Roc de la Vache. Many trails are detailed in the Mountain Hikes around Grimentz guide.
While many lakes are beautiful, swimming is not always permitted. For example, Lac de la Brèche is a nature reserve where swimming is forbidden, though it is allowed in the nearby Lac de la Corne. Always check local regulations before entering the water.
The best time to visit the lakes for hiking and outdoor activities is generally during the warmer months, from late spring to early autumn, when trails are clear of snow and public transport access is fully operational. This allows for optimal enjoyment of the alpine scenery and recreational offerings.
Lac de Moiry is quite accessible. A good road leads directly to the dam, and you can even drive along the lake to the glacier at 2,350 meters. Public transport, specifically a bus, also provides access from Grimentz and Sion. For Lake Châteaupré, there's a large car park and a post bus terminus nearby.
Lac des Autannes, located at 2,686 meters, is unique for its elevated position offering breathtaking panoramic views that often include Lac de Moiry simultaneously. Its calm waters are known for mirroring the surrounding peaks, creating spectacular photographic opportunities. It's also a known spot for trout fishing.
Lac de Lona, situated at 2,640 meters, offers a true high alpine wilderness experience. It's a smaller, tranquil mountain lake above the Moiry dam, providing a sense of serenity and remoteness. Visitors can enjoy stunning views of the Valais canton and the Sasseneire peak, making it ideal for those seeking a peaceful escape.
Yes, the Moiry Dam at Lac de Moiry is an impressive feat of engineering. Completed in 1958, it has an arched wall 148 meters high and 610 meters long. Guided tours are available, and a restaurant near the crest offers traditional Valais dishes with lake views. The lake itself is used for electricity generation.
Visitors consistently praise the stunning natural beauty, particularly the vibrant blue and turquoise waters of lakes like Lake Moiry and Blue Lake. The panoramic views, opportunities for photography, and the peaceful atmosphere for rest stops are frequently highlighted. Many appreciate the diverse hiking options and the overall alpine experience.


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