Slam Dunk Festival 2025 Lineup. Slam dunk festival 2025 takes place at the picturesque temple newsam park in leeds and hatfield park in hatfield, making it a premier destination for over 50,000 rock enthusiasts. The first wave includes the interrupters, l.s.

The festival has just announced their second wave of acts for the 2025 show, and they’re not messing about. Your festival guide to slam dunk festival 2025 with dates, tickets, lineup info, photos, news, and more.