Underground Wales - mapped - Cambrian Cave Register

This page shows places of interest to cavers and tries to indicate restrictions on access or usage. It also shows geological information (double-click for details), where water related to caves sinks and rises, and dye traces that suggest unknown water courses. N.B. Holes not shown here may be mines.
Nullius in verba: This is the result of the best efforts of many people: accuracy and timeliness differ between sites. Please feedback improvements.