| Bulahdelah Mountain | |
| Other Name: | Alum Mountain |
| Photo Size: | 280 |
| Location: | Hunter Region of New South Wales, Australia |
| Map: | Australia New South Wales |
| Label Position: | left |
| Map Size: | 280 |
| Coordinates: | -32.4167°N 165°W |
Bulahdelah Mountain, or Alum Mountain, as it is also known, is a set of rocky tors that overlook the township of Bulahdelah and the Myall River Valley.A wide range of animals and plants can be seen amid the picturesque boulders, including a spectacular range of orchids. The mountain has been set aside as a forest park by the State Forests of New South Wales for its historical, recreational and natural significance.