Alternative metal festivals

9 alternative metal festivals on FestMates: Welcome to Rockville 2026, Sonic Whip 2026, Slam Dunk South 2026, Slam Dunk North 2026, Mystic Festival 2026 Gdańsk and more. Genres are derived from each festival's actual line-up, so a festival listed here books alternative metal acts.

Past editions

Copenhell 2026

Jun 24–27, 2026·85 acts

Graspop Metal Meeting 2026

Jun 18–21, 2026·135 acts

Belgium's loudest weekend

Rock im Park 2026

Jun 5–7, 2026·74 acts

Germany's southern half of the rock weekend

Rock am Ring 2026

Jun 3–6, 2026·75 acts

Mystic Festival 2026 Gdańsk

Jun 3–6, 2026·98 acts

Northern Europe's flagship for heavy music

Slam Dunk North 2026

May 24, 2026·51 acts

Two Cities, One Big Celebration

Slam Dunk South 2026

May 23, 2026·51 acts

Two Cities, One Big Celebration

Sonic Whip 2026

May 15–16, 2026·23 acts

Welcome to Rockville 2026

May 6–10, 2026·161 acts

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