Perioada: 22 - 24 iunie 2012
Locatie: Dessel, Belgia
Website Oficial: www.graspop.be
Bilete: 150 Euro/ abonament, 80 Euro/ bilet ziua 22 Iunie

Line-up:
Adrenaline Mob
Alestorm
All Shall Perish
Amon Amarth
August Burns Red
Behemoth
Black Label Society
Black Spiders
Black Veil Brides
Cancer Bats
Cannibal Corpse
Children Of Bodom
Comeback Kid
Death Angel
Devildriver
Dimmu Borgir
Emmure
Ensiferum
Europe
Exodus
Godsmack
Gojira
Guns N Roses (Headliner)
H20
Hatebreed
I Killed The Prom Queen
Ihsahn
Jon Oliva's Pain
Killswitch Engage
Kobra And The Lotus
Kyuss Lives!
Lamb Of God
Leprous
Limp Bizkit (Headliner)
Machine Head
Megadeth
Motorhead
My Dying Bride
Nasum
Obituary
Ozzy Osbourne and friends (Headliner)
Paradise Lost
Pennywise
Possessed
Sabaton
Sacred Reich
Sebastian Bach
Sick Of It All
Skeletonwitch
Slash
Slayer
Texas In July
The Spudmonsters
The Treatment
Trivium
Twisted Sister
Unearth
While She Sleeps
Whitechapel
Winds Of Plague
Winterfylleth