| Longest Caves in the
Nelson Region
| Name |
Location |
Length (metres) |
| Bulmer Cave |
Mt Owen |
50125 |
| Ellis Basin System |
Mt Arthur |
28730 |
| Nettlebed Cave |
Mt Arthur |
24252 |
| Megamania |
Heaphy Valley |
14800 |
| The Metro |
Charleston |
8000 |
| Bohemia |
Mt Owen |
9900 |
| Moonsilver Cave |
Upper Takaka |
5900 |
| Xanadu System |
Punakaiki |
5010 |
| Greenlink-Middle Earth |
Takaka Hill |
4900 |
| Hollywood Cave |
Charlston |
4500 |
| Windrift Cave |
Mt Arthur |
4410 |
| Incognito/Falcon System |
Mt Arthur |
4278 |
| Wetneck Cave |
Paturau |
3500 |
| Blue Creek Cave |
Mt Owen |
3405 |
| Cheops Cave |
Mt Arthur |
3000
|
| Summit Tomo |
Takaka Hill |
2240
|
| Swiss Maid Cave |
Takaka Hill |
2000
|
| Odyssey Cave |
Mt Bell |
1700
|
|
