Hellfest makes its comeback with four new days of extreme-music concerts. This time, the festival welcomes metalheads from Thursday, June 18 to Sunday, June 21, 2026. What’s on the menu for this edition? A slate of talented francophone and international acts, including Iron Maiden, Alice Cooper, Limp Bizkit, The Offspring, Deep Purple, Anthrax, Cavalera, Megadeth, Papa Roach, Bad Omens, Mastodon, Napalm Death and Behemoth... Here is the full day-by-day, stage-by-stage lineup for Hellfest 2026. Also check out the concert times.