| Big Nellie Mountain | |
|---|---|
 Big Nellie Mountain, photographed from Little Nellie Mountain | |
| Highest point | |
| Elevation | 542 m (1,778 ft) AHD |
| Coordinates | 31°42′02″S 152°31′20″E / 31.700556°S 152.522222°E |
| Geography | |
  Big Nellie Mountain Location in New South Wales, Australia | |
| Location | Taree, New South Wales, New South Wales, Australia |
| Geology | |
| Age of rock | Miocene |
| Mountain type | Rhyolite[1] or Trachyte[2] |
Big Nellie Mountain is a volcanic plug in the Mid North Coast region of New South Wales, Australia. It is situated 272 kilometres (169 mi) northeast of Sydney, within Coorabakh National Park.
- ^ "COORABAKH NATIONAL PARK DRAFT PLAN OF MANAGEMENT" (PDF). NSW National Parks and Wildlife Service. Retrieved 26 May 2018.
- ^ "Geological Sites of New South Wales, Lorne Basin, Lansdowne Escarpment and Big Nellie". Geomaps.com.au. Retrieved 26 May 2018.