This lake owes its existence to Tartaret volcano, one of Auvergne's youngest, which stopped the flow of the Couze when it erupted. This vast (60ha/148acre) but shallow (6m/20ft) reservoir enjoys a lovely country setting, even more beautiful at sunset. Dotted with islets, it shores are jagged, except to the north where the D996 skirts its banks, and to the south-east, where a large beach has been created. The rocky needle rising to the north of the lake is called the Saut de la Pucelle (or Virgin's Leap (100m/328ft)).
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