The canton of Mézenc is an administrative division of the Haute-Loire department, south-central France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Le Chambon-sur-Lignon. It consists of the following communes: Alleyrac Chadron Le Chambon-sur-Lignon Champclause Chaudeyrolles Les Estables Fay-sur-Lignon Freycenet-la-Cuche Freycenet-la-Tour Goudet Lantriac Laussonne Mazet-Saint-Voy Le Monastier-sur-Gazeille Montusclat Moudeyres Présailles Saint-Front Saint-Martin-de-Fugères Salettes Les Vastres References Cantons of Haute-Loire