FINNTROLL, TURISAS, ALESTORM, ARKONA and TROLLFEST will join forces for the Heidenfest 2011 tour, set to take place between September 30 and October 23. The complete details — including all dates, full lineup, ticket details, specials, shop and further information — will be revealed on April 15 at www.heidenfest.eu. Source: Blabbermouth.net