| System | Region | Depth | Cave | Cavern | OW | Last Report | Remarks |
|---|---|---|---|---|---|---|---|
 Altes Berkwerk Miltitz |
Sachsen |  True |
 False |
False |
|||
| Angererloch "Volksbad" |
True |
False |
False |
||||
| Schiefergrube Christine |
True |
False |
False |
10/4/2010 | |||
| Silbermine |
Rheinland Pfalz | 158 | True |
False |
False |
