One of the oldest nature reserves, situated between the Col des Montets and Lac Blanc, it dates back to 1974 and is 3279 hectares.
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Aiguilles Rouges natural reserve
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Carlaveyron natural reserve
Near to the Bel Lachat Refuge, the Carlaveyron reserve was created in 1991 and is within the Les Houches comunity.
Its limited to the north by les gorges de la Diosaz, it is comprised of the montagnes du Fer and the Vorgealle and encompasses the old Carlaveyron pastures
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Vallon de Bérard natural reserve
It is found within the Aiguilles Rouges nature reserve, it is the youngest of the Aiguilles Rouges reserves, it dates from 1992 and is part of the Vallorcine community. Situated on the shady side of the aiguilles des Chamois, Belvédère and Bérard, it contains five small glaciers which survived after the mini ice age of the XVIII century.