| Ngilgi Cave | |
|---|---|
 Inside Ngilgi Cave | |
 | |
| Location | Yallingup, Western Australia |
| Coordinates | 33°38′32″S 115°02′03″E / 33.6422°S 115.0342°E |
| Depth | 39 m (128 ft)[1] |
| Length | 730 m (2,400 ft)[1] |
| Discovery | 10 October 1899[2] (European) |
| Geology | Karst cave |
| Access | Daily tours, closed 25 December |
| Registry | 6YA-1[1] |
Ngilgi Cave, previously known as Yallingup Cave, is a karst cave to the northeast of Yallingup, in the southwest of Western Australia.
In many sections of the cave a red layer of soil can be seen; this is called paleosol.