The SERA Karst Task Force is a resource organization dedicated to karst conservation and the clean up of karst features and caves through the education of both the public and caving communities.

Die Internationale Spelaeologische Arbeitsgruppe Alpiner Karst

Cave Research Foundation - dedicated to documenting, studying and protecting caves and karst

The EKPP (European Karst Plain Project) is the premiere European submerged cave exploration team. Utilizing DIR diving techniques, the EKPP has explored many caves to unprecendented lengths.

Sktfvolunteer: SERA Karst Task Force Volunteer

Welcome to the Michigan Interlakes Grotto's web page! Appliance restoration Michigan

Caving Club Samobor activities, karst and caves research projects, expeditions, caving school, info about caves in Croatia

The Salt Lake Grotto was formed in October 1952 by Dr. William R. Halliday as the 41st Grotto of the National Speleological Society. It's purpose is to promote cave conservation, safety among cavers, education, and fellowship among those interested in caves.

Tennessee Cave Survey is an Internal Organization of the National Speleological Society who are devoted to the exploration and scientific study of caves,

List of the major local clubs and organizations, and individual researchers dealing with speleology, caving, spelodiving and other forms of karst research (geomorphology, hydrogeology, biospeleology).