Every year, the roads between Culoz and the Grand Colombier is closed for cars and only accessible by bike on Summer’s second Saturday.
In 2023, these events will be taking place on Saturdays 10 June, 8 July, 12 August and 9 september.
The cycling days are free with no registration needed. Coffee is offered at the bottom of the climb and food offered at the top.
The Brotherhood “Les Fêlés” will welcome you at the top and challenge you to climb these terrible ascent by more than one side on a single day!