公式サイト :
日程：
2021年6月18〜20日(金〜日)
場所：
クリソン、フランス
FB：
https://www.facebook.com/hellfest/
TW：
https://twitter.com/hellfestopenair
IG：
https://www.instagram.com/hellfestopenair/
出演予定：
Deftones
Faith No More
System Of A Down
Volbeat
Deep Purple
Airbourne
Judas Priest
Mayhem
Wardruna
Obituary
Sepultura
Devin Townsend
Suicidal Tendencies
Social Distortion
Walls Of Jericho
Electric Wizard
envy
killing Joke
Dropkick Murphys
Luscifer
Korn
The Offspring
Running Wild
Abbath
The Hu
Alcest
At The Gates
Sacred Reich
Dying Fetus
Powerflo
The Toy Dolls
While She Sleeps
OM
Mono & The Jo Quail Quartet
Perturbator
Opeth
Rival Sons
Maximum The Hormone
Frank Carter & The Rattlesnakes
Steel Panther
Down
Rotting Christ
Ensiferum
Belzebubs
Death To All
Flotsam And Jetsam
Misery Index
Youth Of Today
Agnostic Front
Deez Nuts
Witchcraft
John Garcia & The Band Of Gold
Life Of Agony
Leprous
Heaven Shall Burn
Jinjer
Ghostemane
Alestorm
Michael Schenker
Primordial
Taake
Borknagar
Entombed A.D.
Loudblast
Ingested
Dog Eat Dog
Reverend Horton Heat
Jesus Piece
Black Mountain
High On Fire
3Teeth
Soen
Northlane
Lacuna Coil
The Distillers
The Darkness
Doro
The Great Old Ones
Kampfar
Gaahls Wyrd
Grave
Exciter
Dyscarnate
Slapshot
Anti-Flag
Moscow Death Brigade
Elder
Pelican
Hangman's Chair
Ego Kill Talent
Crystal Lake
Kontrust
The Inspector Cluzo
L7
Delain
Seth
Einherjer
Regarde Les Hommes Tomber
Cadaver
Xentrix
Exocrine
Cro-Mags
Frustration
Rotting Out
ASG
Me And That Man
Twin Temple
Frog Leap
Fire From The Gods
Deadly Apples
Danko Jones
The Dead Daisies
Sortilege
Mephorash
Helheim
Numenorean
Necrowretch
Rectal Smegma
Higher Power
Guerilla Poubelle
Landmvrks
Greenleaf
The Picturebooks
Inter Arma
The Wildhearts
Galactic Empire
Battle Beast
Numen
Aktarum
Penitence Onirique
Tremplin Voice Of Hell
Brutal Sphincter
In Other Climes
Lion's Law
Wolfpack
Abrahma
Duel
Lysistrata
Laura Cox Band
Joyous Wolf
Tempt
Artus
Deliverance
Karras
Grade 2
Point Mort
Ecstatic Vision
他