2000 Trees Festival returns to Cheltenham, England from July 8-11, 2026, featuring a powerful lineup of rock, alternative, emo, post hardcore, and melodic hardcore acts. Headliners include veteran punk rockers Alkaline Trio, Welsh post-hardcore legends Funeral for a Friend, and pop-punk favorites Neck Deep, alongside notable performers like Sunny Day Real Estate, Glassjaw, and Cancer Bats. The festival showcases 17 artists from the United Kingdom, Canada, and United States, offering four days of diverse alternative music programming. Rising acts like Lambrini Girls and Bad Nerves join established names like The Bronx and Mariachi El Bronx for a comprehensive celebration of contemporary rock and hardcore music.