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Ecrins

Top 20 Lakes in Ecrins

Best lakes in Ecrins are found within a mountainous region known for its diverse aquatic landscapes. This area features a variety of natural and man-made water bodies, including high-altitude alpine lakes and large reservoirs. The region's topography provides numerous opportunities for exploration, from tranquil shores to challenging mountain trails. Visitors can discover a range of lake environments, each offering distinct natural features.

Best lakes in Ecrins

  • The most popular lakes is Lac de Saint-Apollinaire, a lake that allows swimming and offers facilities. This small mountain lake is known for its fish species and provides a fantastic view of the Lac de Serre-Poncon.
  • Another must-see spot is Mount Guillaume, a summit offering lake views. Visitors can expect a challenging trail leading to a summit with a 200-degree view of the Lac de Serre-Poncon and its surrounding region.
  • Visitors also love Lac du Chambon and its dam, a man-made monument with crystalline colors. This large reservoir features a dam that can be crossed, offering unique perspectives of the lake.
  • Ecrins is known for its diverse range of lakes, including high-altitude alpine lakes, large reservoirs, and smaller mountain lakes. The region offers a variety of lake environments to see and explore, from those suitable for family friendly walks to more challenging Ecrins lake routes.
  • The lakes in Ecrins are appreciated by the komoot community, with more than 190 upvotes and 38 photos shared across various highlights.

Last updated: May 11, 2026

Lac du Chambon and its dam

Highlight • Lake

A lake with crystalline colors.

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Lac de Saint-Apollinaire

Highlight • Lake

Magnificent small mountain lake populated by beautiful species of fish. swimming is allowed. Presence of bench and many corners of shade. Superb for a good time with family. There is a bar for dining.

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Very nice to pass over this bridge but pay attention to the traffic.

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Pontet Lake

Highlight • Lake

The Lac du Pontet is a very beautiful lake at an altitude of about 2,000 meters with a stunning view of the region. If you like, you can refresh yourself with a dip in the cool water on hot days. Occasionally you will also meet paragliders who have an ideal starting point on the slope next to the lake.

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Mount Guillaume

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Ascension in two stages. A first part in the undergrowth, then from the chapel of the Séyères where there is a source, we attack the mountainous part. The top a 200 ° view of the greenhouse lake and its region is fantastic. The chapel in perfect condition is sublime. The climb is really worth it.

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Tips from the Community

Fabrizio Garofolo
August 2, 2025, Lac du Chambon and Dam

A lake with crystalline colors.

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A clear mountain lake where swimming is permitted at your own risk. It's a lovely walk around the lake. In summer, there's a food truck with benches.

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Carolijn
July 23, 2025, Mont Guillaume

I tried to get up with my bike. push biken a lot, but without knowing what the terrain would be I ended walking up the last 800m aprox. Maybe I could have made it with bike to the top, but hell it was certainly the most crazy things have done. Great, technical rock downhill.

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Beautiful place in winter

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Magical place

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A visual highlight and worth a photo stop.

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Very nice to pass over this bridge but pay attention to the traffic.

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The loop to the Joubelle cabin is very pleasant to do, from the lake parking lot.

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Frequently Asked Questions

Are there family-friendly lakes in Ecrins?

Yes, several lakes in Ecrins are suitable for families. Lac de Saint-Apollinaire is a great option, known for being family-friendly with facilities and swimming allowed. Pontet Lake is another beautiful alpine lake that welcomes families.

Which lakes in Ecrins allow swimming?

You can enjoy swimming at several lakes in Ecrins. Lac de Saint-Apollinaire explicitly allows swimming and is a popular spot. Pontet Lake also offers the opportunity to cool off with a dip in its waters on hot days.

Are there challenging routes or long-distance treks around the Ecrins lakes?

Yes, the Ecrins region offers challenging routes. For instance, the trail to Mount Guillaume is described as a challenging ascent leading to a summit with extensive lake views. For longer treks, you can explore various difficult hiking routes in the area, such as the 'Ascent to the Pic de Morgon' or the 'Tour of the Aiguilles de Chabrières', which can be found in the Hiking in Ecrins guide.

What kind of natural features can I expect to see around the lakes in Ecrins?

The lakes in Ecrins are set amidst diverse natural landscapes. You'll find high-altitude alpine lakes, large reservoirs, and smaller mountain lakes. Features include forests, natural monuments, and stunning viewpoints. For example, Lac de Saint-Apollinaire is surrounded by forest and known for its fish species, while Pontet Lake is a magnificent alpine lake offering splendid mountain views.

What outdoor activities can I do near the lakes in Ecrins?

The Ecrins region provides a wide range of outdoor activities near its lakes. You can find numerous hiking trails, from moderate to difficult, such as the 'Lac du Lauvitel loop'. There are also excellent cycling routes, including challenging climbs like 'The climb of Alpe d'Huez'. Additionally, you can explore running trails, like the 'Ecrins Trail'.

Are there any lakes with good parking access in Ecrins?

Yes, some lake areas offer convenient parking. Lac du Chambon and its dam is one such location, with parking available, making it accessible for visitors.

What is the best time to visit the lakes in Ecrins for hiking?

The best time to visit the lakes in Ecrins for hiking is generally during the summer and early autumn months. During these periods, the weather is typically more stable, and trails are clear of snow, allowing for comfortable exploration and activities like swimming, as noted in tips for Pontet Lake.

What do visitors enjoy most about the lakes in Ecrins?

Visitors frequently praise the stunning views and the tranquil atmosphere of the Ecrins lakes. Many appreciate the opportunity for a 'good time with family' at places like Lac de Saint-Apollinaire, or the 'splendid view of the mountains' from Pontet Lake. The 'fantastic' 200-degree views from summits like Mount Guillaume are also highly valued.

Can I cross the Lac de Serre-Ponçon by bridge?

Yes, you can cross the Lac de Serre-Ponçon via the Savines Bridge. While it offers a unique perspective of the lake, be aware that it can be very busy with traffic, so caution and concentration are advised, especially for cyclists.

Are there any man-made monuments or structures to see around the lakes?

Yes, the region features interesting man-made structures. The Lac du Chambon and its dam is a notable example. This large reservoir features a dam that can be crossed, offering unique perspectives of the lake and its crystalline colors.

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

CrotsSavines-Le-LacLe Sauze-Du-LacChorgesPrunièresEcrinsParc national des Écrins (cœur)Saint-ApollinaireRoussetRéallonPuy-SanièresPuy-Saint-EusèbeMontgardinBaratierOrcièresEmbrunChâteauroux-Les-AlpesLa Bâtie-NeuveChampoléonAvançonLa Chapelle-En-ValgaudémarAncelleSaint-André-D'EmbrunEspinassesCrévouxSaint-SauveurSaint-Jean-Saint-NicolasThéusRochebruneBréziersLes OrresSaint-Étienne-Le-LausSaint-Bonnet-En-ChampsaurJarjayesRambaudSaint-Michel-De-ChaillolLa RochetteValserresLa Bâtie-Vieille

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