Ankkarock was a Finnish rock and metal festival held annually in Korso, Vantaa, in the Greater Helsinki area. It literally translates into Duckrock. The first Ankkarock was held in 1987. The festival was free of charge until 1998. In 2006 the two-day event attracted approximately 40,000 visitors. The 2007 festival took place on 4–5 August. The final event was in 2010.