
Cave Diving Group
Technical Divers Since 1946
Latest from the Cave Diving Group

Modern Cave Diving Exploration | 1980s to Present
Advances in equipment, safety practices, and diving physiology have transformed cave diving over the last 30 years. Modern cave diving exploration has changed what is possible underground. New equipment such as rebreathers, diver propulsion vehicles, and mixed-gas systems has allowed divers to reach deeper and more complex cave systems. Since the 1980s, Cave Diving Group…

British Cave Diving History
Early Development of the CDG During the 60’s with the abandonment of National Service there was an increase of caving activity by the post war population bulge. Readily available commercial Scuba equipment was adapted to cave diving. The process was accelerated by the previously formed Cave Diving Group in 1946 whereby the use of diving…

The Beginnings of Cave Exploration
The Origins of Cave Exploration in Britain Cave exploration in the United Kingdom developed alongside modern caving. Early pioneers learned to dive as another method of extending exploration beyond flooded passages. Cave divers did not become separate from cavers; instead, diving equipment became another tool, alongside ladders and ropes, for overcoming obstacles underground. For these…

In Praise of Solo Cave Diving
Solo cave diving is often viewed negatively within the wider diving community, with the assumption that diving with a buddy automatically provides a significantly higher level of safety. However, this assumption deserves examination. The purpose of this article is not to advocate careless or unnecessary risk-taking, but to explore the situations where buddy diving can…
Joining the Cave Diving Group
We are always pleased to accept new members. The very specialised nature of cave diving, especially in British sump conditions means that prospective members of the group are few and many should question whether the CDG is an appropriate organisation with which to further their goals. That said, for those whom cave exploration is the primary driver, joining the CDG offers unparalleled resources, support and opportunity.


About the CDG
For almost eighty years, the CDG has played a central role in the exploration, development, and advancement of cave diving in the United Kingdom and beyond. From the earliest dives in Wookey Hole Caves and Swildon’s Hole during the 1930s, British cave divers helped establish many of the techniques, procedures, and equipment philosophies that continue to influence cave diving today.
Shop CDG
From Sump Index’s to the history of Wookey Hole Caves we have books covering everything cave diving.










