April 25, 2026 – April 26, 2026

A two-day outdoor rock festival at Seoul's Mapo Culture Tank (문화비축기지). Lineup includes Cherry Filter, Crying Nut, QWER, Daybreak, and Romantic Punch.

The Seoul Hero Rock Festival × TreHundred 2026 takes over Seoul’s Mapo Culture Tank (문화비축기지) on April 25–26 for two days of Korean rock. The lineup brings together cult favourites and newer names: Cherry Filter, Crying Nut, QWER, Daybreak, and Romantic Punch.

The Culture Tank — a former oil reserve converted into a cultural space — makes for one of Seoul’s most atmospheric outdoor concert venues. Bring layers.

Venue: Mapo Culture Tank (문화비축기지), Seoul
Dates: April 25–26, 2026