Holey Plains State Park is a 104.6 square kilometre (25,850 acre) state park in East Gippsland

East Gippsland

East Gippsland is the eastern region of Gippsland, Australia covering 31,740 square kilometres of Victoria. It has a population of 80,114....

, Victoria

Victoria (Australia)

Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....

 in south-eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It is known for its exceptionally diverse flora

Flora

Flora is the plant life occurring in a particular region or time, generally the naturally occurring or indigenous—native plant life. The corresponding term for animals is fauna.-Etymology:...

, with about one in five plant species known in Victoria

Victoria (Australia)

Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....

 present in the park. The park is situated between Rosedale

Rosedale, Victoria

-History:Rosedale is a pastoral and agricultural town 184 kilometres east of Melbourne via the Princes Highway. Once a staging post on the Port Albert to Sale coach run, it was once the administrative centre of the Shire of Rosedale which extended to the east and included Ninety Mile Beach. It is...

 and Sale

Sale, Victoria

Sale is a city in the Gippsland region of the Australian state of Victoria. It is the seat of the Shire of Wellington as well as the Roman Catholic Diocese of Sale and the Anglican Diocese of Gippsland. It has a population of around 13,336, and is expected to reach a population of 14,000 soon...

. It was opened in 1977
.

The terrain is mostly Banksia

Banksia

Banksia is a genus of around 170 species in the plant family Proteaceae. These Australian wildflowers and popular garden plants are easily recognised by their characteristic flower spikes and fruiting "cones" and heads. When it comes to size, banksias range from prostrate woody shrubs to trees up...

 and Eucalyptus

Eucalyptus

Eucalyptus is a diverse genus of flowering trees in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia...

with open forest and woodlands growing on sandy ridges.