Promotes the study of karst features by supporting research, collecting and publishing data, maintaining a library, and conducting meetings and conferences. Lists membership benefits, publications and contacts.

Includes calendar of events, photos, equipment list, trip archives and contact information.

Offers trips to Mendip, South Wales and Yorkshire. Includes meeting information, tackle rules, photos and contacts.

Based in Manchester. Includes meets and socials diary, newsletters, message board, photos and contacts.

The national body for caving within the UK.

Mine exploration around Nenthead, Cumbria. Advice, contacts, equipment, glossary and trip details.

A UK based organisation addressing all aspects of cave biology. Papers, contacts, email discussion list, grid co-ordinates converter.

Provides grant aid to expeditions from Britain to all parts of the world. Emphasis is on innovative exploration or scientific study. Lists criteria for judging applications.

Provides training for exploratory operations in sump conditions. Includes photo galleries, activity reports, chronological history, newsletter index, message board, membership and contact information.

Established in 1962 to further the study of caves and conservation of the cave environment. Includes its history, events, details of cave studies, memberships and a museum.