Mont MézencThe Mont Mézenc is a summit of the Massif Central, France.DescriptionLocated at the altitude of 1753 m - for the South Summit, and 1744 m for the North Summit - in the department of Haute-Loire, Auvergne-Rhône-Alpes, France, it's the highest point of the department. The Mont Mézenc has a volcanic origin. It's a dome of phonolite dating 7 million years.ClimateMont Mézenc has a humid continental climate, bordering on a subarctic climate. Estables.sa is a weather station situated on the southern face of Mont d'Alambre,, approximately from the North Summit of Mont Mézenc.