From legendary trails to high altitude festivals, Chamonix Mont-Blanc is establishing itself as one of the summer capitals of the French Alps. Sport, culture, nature, photography, science and music: the 2025 season promises to be more vibrant than ever. Here's a round-up of the highlights you won't want to miss.
1. Chamonix Film Festival - From 10 to 16 June
To open the season, the Chamonix Film Festival returns for a 5th edition dedicated to mountain, adventure and wide open spaces enthusiasts. Screenings, meetings and previews will take place over the course of a week in the heart of the valley.
More info chamonixfilmfestival.fr
2. Mont Blanc Marathon - From 26 to 29 June
With its eight race formats, including the iconic 90km, 42km and KM Vertical, the Mont Blanc Marathon is a cult event for trail runners. An exhibitors' village will keep Chamonix alive throughout the event.
More info montblancmarathon.net
3. Arc'teryx Alpine Academy - From 3 to 6 July
Mountaineering, climbing, conferences, screenings and concerts are all part of this unique outdoor education event. A total immersion in mountain activities, accessible to all levels.
More info chamonix.arcteryxacademy.com
4. Climbing World Cup - From 11 to 13 July
The atmosphere is electric, and the public is in a frenzy for this flagship event in the city centre. The world's best climbers compete in the speed and difficulty events.
More info world-cup-climbing.com
5. Cosmojazz - From 22 to 27 July
Created by André Manoukian, this unclassifiable festival offers free concerts in spectacular locations: mountain pastures, mountain huts, glaciers... before extending the evening in town with jam sessions.
Info : cosmojazzfestival.com
6. Argentrail - 20 July
Three race formats (14km, 27km, relay) to discover the Argentière countryside in a friendly, sporting atmosphere.
More info argentrail.com
7. Bear Night - 8 to 12 August
An immersive experience combining art, nature and the environment in Vallorcine, the Nuit des Ours combines poetic installations with a night-time walk through the forest.
More info nuit-des-ours.com
8. Fête des Guides - 12 to 15 August
A tribute to mountaineering and the mountains. This major event celebrates the 101st edition of the Guides' Festival, with parades, ceremonies, shows and inductions.
More info chamonix-guides.com
9. UTMB® - From 25 to 31 August
The Ultra-Trail du Mont-Blanc is the highlight of the season. Thousands of runners set off around the highest peak in the Alps, across three countries. A unique sporting and human adventure.
More info utmbmontblanc.com
10. International Meeting of Queens - 27 and 28 September
An Alpine tradition celebrated in Chamonix with the 10th edition of this competition for Hérens cows, a symbol of the pastoral heritage of Mont Blanc.
More info Facebook page
11. Fête de la Science - 3 to 13 October
Glaciers will be in the spotlight this autumn, with a series of scientific and educational events across the valley.
More info chamonixglaciers2025.com
12. Chamonix Photo Festival - From 31 October to 2 November
This young festival attracts photo enthusiasts and professionals to a series of meetings, exhibitions and screenings. The 2025 edition will focus on glaciers and changing landscapes.
More info chamonixphotofestival.com
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