The Bulgarian Federation of Speleology (renamed on the General Assembly in 1990) is the successor of the First Bulgarian Caving Society, established in 1929.
Over the years, cavers from BFSp have been the initiators and participants in numerous expeditions to some of the largest and deepest caves in the world.
90 years of organized speleology in Bulgaria
A brief history and main achievements of Bulgarian cavers and speleology