Hinterland music festival returns to St. Charles, Iowa from July 30 to August 2, 2026, featuring a diverse lineup of rock, pop, electronic, alternative, and indie pop artists. The four-day festival is headlined by Mumford & Sons, Kali Uchis, Lorde, and Katseye, with notable performances from Geese, Beabadoobee, Jessie Murph, MUNA, and Young Miko. With 36 total artists representing the United States, United Kingdom, Ireland, Australia, and New Zealand, Hinterland offers an international mix of established and emerging talent across multiple genres. The festival provides a comprehensive musical experience for fans of contemporary alternative and pop music in Iowa's summer festival season.