Hellfest announces its return with four extra days of concerts dedicated to extreme music. Mark your calendars: Hellfest will welcome metalheads from Thursday, June 18 to Sunday, June 21, 2026. What’s on the menu for this new edition? A slew of talented French- and international acts, including Iron Maiden, Alice Cooper, Limp Bizkit, The Offspring, Deep Purple, Megadeth, and also Papa Roach, Bad Omens, Mastodon, and Behemoth... Here is the full day-by-day, stage-by-stage schedule for Hellfest’s 2026 edition, along with concert times.