| Harwoods Hole | |
|---|---|
 A caver being lowered into Harwoods Hole | |
| Location | South Island, New Zealand |
| Length | Height: 357 metres (1,171 ft) Opening: 50 metres (160 ft) |
| Hazards | Free fall |
Harwoods Hole is a cave system located in the northwest of the South Island of New Zealand, in the Abel Tasman National Park. At 183 metres (600 ft), it is New Zealand's deepest vertical shaft. It was first explored in 1958, long after it was discovered.