Four days, five stages. Awesome headliners, burgeoning talent, crushing guitars and colossal mosh pits. For the 28th time the crème de la crème of the international hard rock and metal scene will converge on Belgium as Dessel braces for impact. Next year’s edition of the largest and most versatile hard rock and metal festival of the Benelux takes place from 19 through 22 June 2025. GMM2025: the metal highlight of the year for every metalhead!
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