Summerside Festival 2026
About this festival
Summerside Festival is a prominent three-day open-air event in Grenchen, Switzerland, primarily showcasing a heavy lineup of rock, metal, and punk music alongside late-night electronic stages. Nestled near the scenic Jura Mountains, the festival features high-energy performances from international headliners and domestic talent for thousands of attendees.
Don't lose your ears at the next one
The sound system was unforgiving. Loop lets you hear every detail at a safe volume – no ringing on the train home. Shop Loop Earplugs → We love recommending a product we've been using ourselves for years.
Where it was
Summerside Festival Area
Neumattstrasse, 2540 Grenchen
Local Currency: CHF
The local currency is CHF.
An independent music & festival researcher with 10+ years in the global dance scene.
28 June 2026