About this event

A multi-sport outdoor festival on the shores of Lake Serre-Ponçon, mixing climbing, slackline, mountain biking and water sports with concerts. In 2026 it also hosts an international trickline contest, so there is plenty to watch between your own sessions.

On site

Tickets

Sources

• outdoormixfestival.com/fr/nos-sports/slackline
• monvic.it/en/climbing-events-festivals-2026-in-italy-and-europe
• slacklineinternational.org/world-cup-series