Microsoft Flight Simulator X: Steam Edition - Toposim Australia

Toposim Australia for FSX: Steam Edition provides LOD 11/19m Multi-LOD terrain mesh for Australia, improving the accuracy of the default terrain mesh and offering a marked improvement to the landscape profile.

VFR flying over Australia has never been more realistic with lakes, mountains and ground undulations all where they should be.
Please note this pack corrects the default terrain mesh and does not include any textures.

This pack includes terrain mesh for the following areas:
* New Caledonia * New South Wales * Northern Territory * Queensland * South Australia * Tasmania * Victoria * Western Australia

Source: Steam Store Description