Tons of Rock
Tons of Rock is an annual hard rock and [Heavy Heavy metal music|metal music|metal] festival hosted at Ekebergsletta in Oslo, Norway. Since its inception in 2014, it has established itself as the leading festival for hard rock and heavy metal in Norway.
In 2022, it was reported that the core audience consists of adult attendees from across Norway, with a wide age range and approximately equal numbers of women and men. In 2025, the festival claimed that it attracts an international audience from more than 80 countries.
After relocating from the small town of Halden to Oslo in 2019, the festival came under majority ownership by Live Nation Norway, which now holds 51% of the shares, while the four founders retain the remainder.
Festival headliners have included Iron Maiden, Metallica, Black Sabbath, Ozzy Osbourne, Megadeth, Alice In Chains, Kiss, W.A.S.P., Faith No More, Pantera, Deep Purple, Bring Me The Horizon, and Muse.
The festival stages are all named after Munch paintings.
History
The first iteration of the festival was held at Fredriksten Fortress in Halden in 2014, featuring hard rock and heavy metal. In 2017, the festival was awarded the title "Festival of the Year" by the Norwegian Concert Organizers Association.The Norwegian humor rock band Black Debbath, who have participated in every single edition of the festival, released a song dedicated to the festival on their 2018 album ''"Norsk Barsk Metal".''
Moving to Oslo, Munch Museum collaboration (2019)
After five years of hosting the festival in Halden, the festival was moved to Ekebergsletta, Oslo, in 2019. The same year, Live Nation Norway became the festival’s majority owner with a 51% stake.The 2019 festival opened early with a special event at the Oslo Opera House, featuring German hard rock band Accept joined by members of the Norwegian Radio Orchestra for a unique crossover concert.
Another collaboration that emerged in connection with the move to Oslo was with the Munch Museum, as two of the festival stages were named after well-known paintings by Edvard Munch.
COVID 19-cancellations (2020–2021)
Tons of Rock 2020 had to be canceled due to the coronavirus pandemic. The festival received NOK 37 million in compensation from the Arts Council Norway, which distributed a total of NOK 120 million to canceled festivals. Because the festival had low expenses in 2020, the profit – after receiving support from the Arts Council – amounted to NOK 33.8 million, compared to NOK 3.3 million in 2019.In April 2021, the festival once again had to be canceled due to the coronavirus pandemic.
Green profile (2022)
In 2022, Tons of Rock was certified as an Eco-Lighthouse. Green Nation is festival owner Live Nation’s global sustainability program, an initiative to reduce the environmental impact of concerts and festivals worldwide and to share best practices across countries and events.Steady growth, additional stages (2023–)
Since 2023, Tons of Rock has been the largest festival in Norway with 100.000 visitors, which increased to 150.000 in 2024.In 2025, as a nod to the festival’s roots, "Tons of Rock at the Fortress" was staged as a one-off opening concert at Akershus Fortress, where the Staff Band of the Norwegian Armed Forces performed rock and metal classics with guest soloists from the Norwegian rock scene—an event inspired by the Opera House crossover concert with Accept in 2019.
The 2025 opening speech was delivered by Jens Stoltenberg, former Secretary General of NATO and Norway’s current Minister of Finance. That year, the festival expanded from three to four stages. In addition to Scream Stage, Vampire Stage, and the tented Moonlight Stage, the festival introduced the smaller Storm Stage, inside a hangar. It had interviews led by Tarjei Strøm, plus there were stand-up acts and concerts with up-and-coming artists.
Clips from the 2025 festival went viral after Green Day frontman Billie Joe Armstrong joined Sex Pistols w/Frank Carter for the song "Anarchy in the U.K."