Défi de Fort l'Ecluse

Le Défi de Fort l'Ecluse is a unique trail running event held in Léaz, featuring two courses of 12 km and 19 km. Organized by the Club athlétique du bassin bellegardien, the event showcases stunning landscapes and cultural heritage, including a remarkable passage through the underground gallery of Fort l'Ecluse, which consists of 917 steps. Participants navigate a mix of roads, wide paths, and technical single tracks, making it an exciting challenge for runners.

The event is part of the Haut Rhône trail challenge, promoting both athleticism and appreciation for the local environment. Visit the organization's website for the most recent information.