T he Lake Vassivière is an artificial lake created by the dam of Vassivière to generate hydroelectricity through the underground factory of the Mazet, in Peyrat le Château. The tour is approximately 2 hours discover this hydroelectric complex, and its functioning with a course incorporating an immersion in the interior of the underground factory, as well as in the heart of the dam, and on his coronation. Each visitor must be in possession of a valid national identity card or passport in course of validity, to present on the day of the visit. The reservation is required at the latest 48 hours in advance. Shoes that are flat and closed. - Translated automatically.