Met biivouac is a mountain-bike event held in September in Annecy, Haute-Savoie. The format involves riders entering as duos for three days on VTT routes, with stages ranging from 35 to 45 km.
The event is categorized as a Rando VTT, distinct from road rides or timed cross-country races. The specific September date requires confirmation, and current details do not include a route map, elevation profile, or history beyond the three-day pairs format around Annecy.