Copenhell is a heavy metal festival held annually at Refshaleøen in Copenhagen, Denmark, since 2010. It was one of the first open-air heavy metal festivals in Denmark.
The festival started in 2010 with two stages, the main stage Helviti and secondary stage Hades. The Upcoming Stage was introduced in 2011 for unsigned bands and was renamed Pandæmonium in 2012.
Copenhell 2017 took place on Thursday June 22 to Saturday June 24 with the bands:
System of a Down, Slayer,Prophets of Rage, Five Finger Death Punch, Rob Zombie, In Flames, Europe, Airbourne, Opeth, Saxon, Ministry, Overkill, Carcass, Alter Bridge, Dillinger Escape Plan, Baroness, Invocator, Huldre, Powerwolf and others.