The northern portion of the ecoregion, lying north of the Great Dividing Range and the Grampians, is in the basin of the Murray River.

The southern portion of the ecoregion, south and east of the Grampians and Great Dividing Range, is drained by the Yarra, Macalister, Thompson, Snowy, and other rivers which empty into the Bass Strait or Tasman Sea.

[1] Box-ironbark forest is found in the low hills between the Great Dividing Range and the drier woodlands of the interior plains.

The predominant trees are grey box (Eucalyptus microcarpa), yellow gum (E. leucoxylon), and red ironbark (E.

[1] In the Geelong area and on the Southern Tablelands of New South Wales there are treeless basalt plains dominated by spear grasses (Stipa scabra and S.

Leadbeater’s possum (Gymnobelideus leadbeateri) is endemic to the ecoregion, restricted to wet eucalypt forests of the Victorian Central Highlands.