Info Musik : List of heavy metal festivals

Armenia

• MetalFront Fest

Argentina

• Monsters of Rock

Australia

• Overcranked
• Soundwave festival

Austria

• Kaltenbach Open Air 
• Metalfest Open Air (former Summer Nights Open Air) 
• Nova Rock Festival

Belgium

• Graspop Metal Meeting 
• Metal Female Voices Fest 
• Pestpop

Brazil

• Monsters of Rock

Bulgaria

• Monsters of Rock

Canada

• Heavy MTL 
• Noctis Valkyries Metal Festival

Colombia

• Rock al parque

Chile

• Monsters of Rock

Czech Republic

• Brutal Assault
• Masters of Rock 
• Obscene Extreme Metal Festival

Denmark

• Aalborg Metal Festival 
• Metalstone 
• Roskilde Festival 
• Royal Metal Fest

Ecuador

• Quito Fest

Estonia

• Hard Rock Laager

Finland

• Finnish Metal Expo 
• Jalometalli Metal Music Festival 
• Jalometalli Winterfest 
• Sauna Open Air Metal Festival 
• Tuska Open Air Metal Festival

France

• Hellfest Summer Open Air 
• Monsters of Rock 
• Raismes Fest

Germany

• Baden in Blut Open Air 
• Bang Your Head!!! 
• Battle of Metal 
• Chronical Moshers Open Air 
• Dong Open Air 
• Doom Shall Rise 
• Earthshaker Fest 
• Force Attack 
• Fuck the Commerce 
• Headbangers Open Air 
• Hellflame Festival 
• Hellflame Festival - The South Side of Hell 
• Hellraiser Open Air 
• Keep It True 
• Magic Circle Festival 
• Metal Forces Festival 
• Monsters of Rock 
• Party.San Open Air 
• Queens of Metal 
• Ragnarök Festival 
• Rock am Ring 
• Rock im Park 
• Rock Hard Festival 
• Summer Breeze Open Air 
• Tomahawk Festival 
• Under the Black Sun 
• United Metal Maniacs 
• Up from the Ground 
• Wacken Open Air 
• Walpurgis Metal Days 
• Winternoise Festival 
• With Full Force

Greece

• March Metal Day 
• Rockwave Festival

Hungary

• Metalmania 
• Sziget

India

• Rock in India

Ireland

• Day of Darkness 
• Download Festival Ireland

Israel

• Metallist 

Italy

• Agglutination Metal Festival 
• Evolution Festival 
• Gods of Metal 
• Heineken Jammin' Festival 
• Monsters of Rock 
• Play It Loud! Festival

Japan

• Independence-D 
• Loudpark Festival

Latvia

• Metalshow.lv Open Air

Lithuania

• Devilstone 
• Ferrum Frost 
• Ferrum Rust 
• Kilkim Žaibu

Lebanon

• Beirut Rock Festival

Mexico

• Monterrey Metal Fest

Morocco

• Boulevard des Jeunes Musiciens

Namibia

• Windhoek Metal Fest

Netherlands

• Arnhem Metal Meeting 
• Dokk'em Open Air 
• Dutch Metal Fest 
• Dynamo Open Air 
• Fields of Rock 
• Headway Festival 
• Metal Meltdown 
• Monsters of Rock 
• ProgPower Europe

New Zealand

• Rock2Wgtn

Norway

• Hole in the Sky 
• Hove Festival 
• Inferno Metal Festival 
• Norway Rock Festival 
• Metalmania 
• Monsters of Rock

Philippines

• Kaguluhan Music Festival

Poland

• Metalmania

Portugal

• Vagos Open Air 
• Caos Emergente 
• Paredes de Coura Festival 
• Steel Warriors Rebellion 
• Ilha do Ermal Festival

Puerto Rico

• Festival de Metal Boricua

Romania

• Rockin' Transilvania 
• Artmania 
• B'estfest 
• Rock River Festival 
• Rock'N Iasi 
• East West Fest 
• Transylvanian Death Fest 
• Samfest Rock

Russia

• Monsters of Rock 
• Moscow Music Peace Festival

Slovenia

• Metal Mania 
• Metalcamp

Spain

• Monsters of Rock 
• Via de la Plata Festival

Sweden

• Metaltown Festival 
• Monsters of Rock 
• Sweden Rock Festival

Turkey

• Barışarock 
• H2000 Music Festival 
• Rock'n Coke 
• RockIstanbul 
• Unirock Open Air Festival

Ukraine

• Metal Heads Mission

United Arab Emirates

• Shamal 
• Dubai Desert Rock Festival

United Kingdom

• Bloodstock 
• Bloodstock Open Air 
• Damnation Festival 
• Download Festival 
• Hard Rock Hell 
• Hellfire Festival 
• In-Fest 
• Monsters of Rock 
• ProgPower UK 
• Sonisphere

United States

• Alehorn of Power 
• Bay Area Rock Fest 
• Crue Fest 
• Chicago Powerfest 
• Emissions from the Monolith 
• Gigantour 
• Goth Stock 
• Jägermeister Music Tour 
• Mayhem Festival 
• Maryland Deathfest 
• Monsters of Rock 
• New England Metal and Hardcore Festival 
• Ozzfest 
• ProgPower USA 
• Robot Mosh Fest 
• Rock on the Range 
• Saints & Sinners Festival 
• Seattle Metal Fest 
• Sounds Of The Underground 
• Summer Slaughter 
• Taste Of Chaos
• Tidal Wave

(source : en.wikipedia.org)