The French Federation of Speleology (FFS) on behalf of the International Union of Speleology (UIS) is organising the 18th International Congress of Speleology in Le Bourget-du-Lac.

Attention: the venue of the congress has been been changed from Lyon to Le Bourget-du-Lac. More information will follow soon.

All information on: https://uis2021.speleos.fr/