Hell Yes! Festival 2026

Hell Yes! Festival is a three-day electronic music and light festival taking place on 26–28 June 2026 at Helfštýn Castle in the Czech Republic.

The event combines contemporary electronic music, audiovisual performances and large-scale videomapping within the unique historical setting of the castle.

The programme features curated international and local artists, immersive light installations and site-specific projections responding to the fortress architecture.