Hell On Air Festival
Indoor metal festival over four days in Molenstede near Diest.
Target metal fans and music enthusiasts with multi-day festival experiences, merchandise, and hospitality partnerships around a niche but passionate community event.
- Behind-the-scenes festival prep and artist spotlights
- Fan meetup and community building content
- Merchandise and VIP experience upsells
- Local venue and accommodation partnerships
The festival takes place from April 30 to May 3, 2026, at OC Molenhuis in Molenstede (Diest) and promises to be one of the most intense metal events of the year. The festival is known for its powerful atmosphere, strong programming, and close ties to the metal community. The number of visitors will be limited to 500 per day. This is the second indoor edition of Hell On Air, a dedicated metal festival hosted by Hell Events VZW. true
Thu 30 Apr
Opening evening with Alcatraz Bash final and pre-party (free entrance)
Fri 1 May
Main festival day 1
Sat 2 May
Tribute day featuring Belgian bands and tribute acts
Sun 3 May
Metal on Metal - mixed metal genres, originals and international acts
- Indoor metal festival with ~500-visitor-per-day cap creates intimate, intense atmosphere
- Mix of international and Belgian metal acts across multiple subgenres (heavy, melodic, aggressive)
- Tribute bands and festival final of Alcatraz Bash competition
- Food & drink vendors, merchandise market, and DJ between sets
- Shuttle buses from Diest town centre to reduce congestion