Lac Achard, Glacial lake in Chamrousse, France.
Lac Achard lies at 1,917 metres in a natural cirque hollow in the southern Belledonne range above Chamrousse. It is elongated north to south and divided into two basins of unequal size by a narrowing only a few metres wide. The Arselle stream flows out southward, and wet meadows and peat bogs border the shore.
Lac Achard lies at 1,917 metres in a natural cirque at the foot of the southern Belledonne range, near the Chamrousse ski resort. It feeds the Arselle stream, which flows south to the Romanche via the Salinière. Its setting, from the Arselle plateau to Grand Van, is protected by the Rhône-Alpes regional environment directorate.
The lake belongs to the protected Espace Naturel Sensible area, where regulations maintain the preservation of local mountain ecosystems and wildlife.
You can reach the lake by following marked hiking trails from Chamrousse 1750, with parking available nearby. The paths are well-signposted, making it straightforward for visitors to find their way to the water.
Lac Achard drains south through the Ruisseau de l'Arselle, which joins the Romanche via the Ruisseau de Salinière. Because it stays frozen and snow-covered in winter, the lake can be hard to pick out on the ground.
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