Hello Mal,
In the nineteenth century, Moore Park had four large, named natural sandhills: Mount Steel, Mount Rennie, Mount Lang and Constitution Hill. As the area was developed for urban parkland, they were either reshaped or levelled. This is Mount Lang, which sat across from the Sydney Cricket Ground (SCG). It disappeared entirely after the 1940s. There were three other 'Mounts' or Mounds; Firstly, Mount Steel is located north of Cleveland Street parallel with South Dowling St and remains today as the least-altered of the former sandhills. Mount Rennie was located on the western side of Anzac Ave at its intersection with Cleveland St. It levelled in 1926 to build the foundation platform for the Moore Park Golf House. Finally, the location of Constitution Hill is uncertain as few maps actually used that reference, however, some historical records suggest it was located near Alison Road and Anzac Parade (near where the Coogee line branched off the La Perouse line) and it is now incorporated into the Centennial Parklands area.
David Critchley