| System | Region | Depth | Cave | Cavern | OW | Last Report | Remarks |
|---|---|---|---|---|---|---|---|
 Chert Mine Bakewell |
Derbyshire |  True |
 False |
False |
1/13/2011 | ||
| Dan-Yr-Ogof (Resurgence) |
South Wales | True |
False |
False |
3/16/2010 | ||
| Dinas Silica Mines |
Wales | True |
False |
False |
|||
  Hodge Close |
Lake District | True |
False |
False |
4/5/2012 | ||
| Tucks Rift |
South Wales | True |
False |
False |
8/12/2014 |
