Hellfest Open Air is one of Europe’s leading festivals for metal, punk, hard rock and extreme music. For four days, Clisson becomes an international meeting point for historic scenes, global audiences and new generations of artists.
A map of extreme music
The programme spans heavy metal, death, black metal, hardcore, punk, stoner, doom, progressive metal and hybrid forms. Major headliners share the bill with cult bands and emerging acts.
A complete cultural environment
Hellfest is more than a sequence of concerts. Its architecture, spectacular sets, specialised market, prevention programmes and long-term relationship with Clisson create a distinctive festival world.
2026 edition
The 19th edition took place from 18 to 21 June 2026, with more than 180 bands across six stages.