Festival dijadwalkan dari 21 Jun hingga 24 Jun 2018 (3 hari).
Hellfest berlangsung di Clisson, France. Berikut adalah alamat lengkap festival: Rue du Champ Louet 44190 Clisson, France
Iron Maiden, Judas Priest, Nightwish, Megadeth, Deftones, Shinedown, Avenged Sevenfold, L7, Rise Against, Arch Enemy, Asking Alexandria, Bad Religion, Parkway Drive, Bullet for My Valentine, Alice in Chains, Killswitch Engage, Meshuggah, Turnstile, In This Moment, Europe.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
heavy metal
punk
metal
hardcore
hard rock
black metal
death metal
thrash metal
hardcore punk
alternative
doom metal
metalcore
progressive metal
punk rock
alternative rock
alternative metal
sludge
stoner rock