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12 Jun 2026

Mahlstrom Open Air 2026

Herthasee festival grounds

Holzappel, Germany

Past Events

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13 Jun 2025

• E
• G
• O
• F
• H

Mahlstrom Open Air 2025

Herthasee festival grounds

Holzappel, Germany

13 Jun 2024

• H
• CS
• W

Mahlstrom Open Air 2024

Herthasee festival grounds

Holzappel, Germany

13 Jul 2023

• H
• E

Mahlstrom Open Air 2023

Herthasee festival grounds

Holzappel, Germany

14 Jul 2022

• F
• A

Mahlstrom Open Air 2022

Herthasee festival grounds

Holzappel, Germany

15 Jul 2021

Mahlstrom Open Air 2021

Herthasee festival grounds

Holzappel, Germany