Festivals in Interlaken 2026
Summer Stage Interlaken - Sommerbühne
1 June – 30 September 2026 · Music festival
Landschaftstheater Ballenberg - Akte Zybach
1 July – 15 August 2026 · Culture festival
Thunerseespiele - GREASE
8 July – 22 August 2026 · Music festival
Gauklerfest Interlaken
24–26 July 2026 · Culture festival
William Tell Open-Air Theatre Interlaken
25 July – 5 September 2026 · Culture festival
Lake Brienz Rock Festival
6–8 August 2026 · Music festival
Thunfest
6–9 August 2026 · Town festival
Interlaken Trail Festival
8 August 2026 · Sports event
Inferno Triathlon
14–16 August 2026 · Sports event
Seaside Festival Spiez
28–29 August 2026 · Music festival
International Jungfrau Marathon
4–6 September 2026 · Sports event
Läset-Sunntig Spiez
13 September 2026 · Funfair
Chästeilet Justistal
18 September 2026 · Funfair
Thun Water Magic - Wasserzauber
25 September – 25 October 2026 · Culture festival
Silvester & Neujahr - Längster Silvester Interlaken
31 December 2026 – 2 January 2027 · Funfair
Past festivals 2026
Ironman Switzerland Thun
5 July 2026 · Sports event