Hellfest, also called Hellfest Summer Open Air, is a French rock festival focusing on heavy metal music, held annually in June in Clisson in Loire-Atlantique. Its high attendance makes it the French music festival with the largest turnover
Location: Clisson, France
Dates: Jun 19 – Jun 21, 2020
Founded byBen Barbaud
Genres: Heavy metal, Extreme music, Hard rock
volunteers: 175