# Fortress Festival expansion and lineup announcements > Live situation record from CLSTR: https://clstr.news/situations/fortress-festival-expansion-and-lineup-announcements > Updated: 2026-10-16T21:05:04.000Z. Sources: 3. Developments: 2. The Fortress Festival has announced plans for its fifth anniversary in 2027, which will include an expansion to a three-day event held at the Scarborough Spa in North Yorkshire. Initial announcements detailed a special Friday evening pre-show titled ‘Fortress: First Light’ at the Grand Hall, featuring headliner Watain and Polish act Terrestrial Hospice. The main weekend lineup was expected to include international performers such as Stormkeep, Mare, and Sulphur Aeon. Following the completion of the 2027 roster, the festival confirmed headliner Emperor will perform an exclusive UK concert. Additional performers added to the lineup include Ultha, Firtan, and Perchta, while Blood Countess joined the ‘Fortress: First Light’ pre-show. The festival will also feature a dedicated dungeon synth stage in the venue's theater. Festival director Gary Stephenson indicated that ticket allocations for the anniversary year are nearing capacity. ## Timeline ### 2026-10-16: Fortress Festival completes 2027 lineup for fifth anniversary Fortress Festival has completed its 2027 lineup for its fifth anniversary at Scarborough Spa, featuring headliners Emperor and Stormkeep, alongside several international black metal and dungeon synth acts. 2 sources. https://clstr.news/cluster/fortress-festival-completes-2027-lineup-for-fifth-anniversary ### 2026-10-13: Fortress Festival expands to three days for 2027 edition Fortress Festival expands to three days for its 2027 edition in North Yorkshire, featuring a new Friday pre-show headlined by Watain and several UK-exclusive performances. 2 sources. https://clstr.news/cluster/fortress-festival-expands-to-three-days-for-2027-edition --- Cite as: Fortress Festival expansion and lineup announcements. CLSTR, https://clstr.news/situations/fortress-festival-expansion-and-lineup-announcements