Sunday 19 october from 09:45 to 13:00

The challenge of fort l'écluse

  • Sports and leisure
  • Competitive sport
  • Pedestrian sports
  • Race (on foot)
Mairie, rue du jura, 01200 Léaz
Nature race, trail of 12 and 19km passing in the gallery of fort l'écluse.
The Fort L'Ecluse Challenge is a unique race on an exceptional site; a site steeped in history, combining both cultural heritage and grandiose landscapes…

Its courses of 12 or 19km, mix roads and paths, wide tracks and monotraces...

Departing from the village of Léaz, the routes cross spectacular landscapes, particularly near the listed site of the Virgin of Léaz overlooking the Rhône, and the gorge of the Ecluse. But the strong point of this trail is the passage in the incredible...

Documentation

Documentation

Rates

Rates

There is a charge to register for the challenges, but you can cheer on the runners for free. The route between the Lower Fort and the Upper Fort of the Fort l'Ecluse site will be prohibited to the public. (underground gallery, 917 steps)

Opening times

Opening times

On 19 October 2025
  • 09:45 at 13:00
  • 09:45 at 13:00
  • 09:45 at 13:00
  • 09:45 at 13:00
  • 09:45 at 13:00
  • 09:45 at 13:00
  • 09:45 at 13:00

Location

Location

The challenge of fort l'écluse
Mairie, rue du jura, 01200 Léaz

Spoken languages

Spoken languages
  • French
Updated on 07 March 2025 at 11:31
by Office de Tourisme du Pays de Gex
(Offer identifier : 6642227)
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