GR30 Tour des Lacs d'Auvergne (France)
Description
The GR30 goes around many lakes of Auvergne of glacial (Lac de Guéry) or volcanic (Lac Pavin, Lac de la Cassière...) origin and crosses three volcanic regions of Auvergne: the Monts-Dore, the Puys chain and the Cezallier.