Summer in Haute-Savoie is an explosion of life. Between festivals, sporting events, markets, concerts, and outdoor activities, each week holds its share of highlights.
From June to September, the region becomes a vast playground between lake and mountain. Here are the must-see events of summer 2026, listed month by month to help you plan your outings.
The must-see events held in June 2026
June marks the start of summer, with a gradual buildup of events.
Not to be missed:
- International Annecy Animated Film Festival, from June 21 to 27, 2026
- The Samoëns American Festival, from June 25 to 28, 2026 in Samoëns
- Music Festival all around Haute-Savoie on June 21
- The Ultra-Trail® du Haut-Giffre, from June 19 to 21, 2026, in Samoëns
- The mountain pastures festivals, at Lys Blanc (LE PRAZ DE LYS), on June 6, 2026, and elsewhere…
- Les Pass Portes du Soleil: major mountain biking event from June 26 to 28, 2026
- First festivals and outdoor concerts
👉 An already summery atmosphere, without the crowds of July-August.
The must-see events held in July 2026
July is the month of major popular and festive gatherings.
Not to be missed:
- 14th July fireworks around Lake Annecy and Lake Léman
- Music festivals: Summer music festivals in Haute-Savoie
- Musiques en Stock Festival in Scionzier from July 2, 2026 to July 4, 2026
- Guitare En Scène Festival, in Saint-Julien en Genevois from July 14, 2026 to July 17, 2026
- Le Rock N Poche festival in Habère Poche from July 31, 2026 to August 1, 2026
- Comosjazz Festival in Chamonix, from July 20, 2026 to July 25, 2026
- Nocturnal and craft markets
- Village festivals and traditional events
👉 The atmosphere is at its peak: festive, friendly, and lively.
The must-see events held in August 2026
August is the busiest month in terms of events, with emblematic gatherings.
Not to be missed:
- The Fête du Lac d’Annecy (unique pyrotechnic show in Europe) on Saturday, August 1
- Crossing of Lake Annecy on Saturday, August 15
- La Belle Dimanche, 48th mountain pastures festival of Chatel, on Sunday, August 23, 2026.
- Traditional Savoyard festivals (folklore, gastronomy, costumes)
- Major festivals and concerts at altitude
- Events around hiking and the mountains
- Au Bonheur des Mômes in Grand Bornand, from Sunday, August 23 to Thursday, August 27
- The Ultra trail of Mont-Blanc in Chamonix, from Monday, August 24 to Sunday, August 30
👉 An intense month, where Haute-Savoie shows all its cultural richness.
The must-see events held in September 2026
September is often the locals’ favorite month.
Not to be missed:
- End-of-season cycling and sports events
- Producers’ markets and gourmet events
- More intimate festivals
- Hikes with ideal conditions
- La Fête du Vieux Seynod: September 5 and 6
- The International Triathlon of Lake Annecy, September 26 and 27
👉 Fewer people, more sweetness… and still perfect weather.
Why is summer the queen season in Haute-Savoie?Summer offers a unique mix:
- An ultra-rich program
- Outdoor events in exceptional settings
- A diversity of activities between lake and mountain
- A festive atmosphere from morning till night
In summary
From June to September, Haute-Savoie becomes one of the most dynamic destinations in the Alps:
- International festivals
- Major popular events
- Authentic local animations
- Outdoor activities as far as the eye can see
Impossible to get bored: every week brings its share of discoveries.
And you, which event will you experience this summer in Haute-Savoie?
