Tons of Rock returns to Oslo, Norway from June 24-27, 2026, delivering four days of heavy music featuring metal legends Iron Maiden, A Perfect Circle, and Alice Cooper as headliners. The festival showcases a diverse lineup spanning metal, rock, punk, and alternative genres with notable acts including Bring Me the Horizon, The Offspring, Limp Bizkit, Trivium, and Babymetal. International artists from across the globe join Norwegian favorites like Mayhem, Leprous, and Audrey Horne, while special performances include Sepultura's final show in Norway and Death to All. With over 50 artists across multiple stages, Tons of Rock 2026 offers one of Scandinavia's most comprehensive heavy music experiences.