South Eastern Highlands

South Eastern Highlands
Name	South Eastern Highlands
Location	New South Wales, Australian Capital Territory, Victoria
Highest point	Mount Baw Baw

South Eastern Highlands The South Eastern Highlands is an Australian bioregion spanning parts of New South Wales, the Australian Capital Territory, and Victoria, characterized by montane plateaus, dissected ranges and highland forests. The region encompasses major catchments feeding the Murray River, the Murrumbidgee River and the Snowy River, and contains significant protected areas such as Kosciuszko National Park and Barrington Tops National Park. It is intersected by transport corridors including the Hume Highway and the Princes Highway, and hosts settlements from regional centres like Albury, Wodonga, Goulburn, and Cooma to smaller towns such as Bombala, Moruya, and Yass.

Geography

The highlands include ranges and plateaus such as the Great Dividing Range, the Brindabella Range, the Monaro Tablelands, and the Victorian Alps, with landmarks like Mount Kosciuszko, Mount Baw Baw, Mount Jagungal, and the Tumut River headwaters. Major rivers and catchments crossing the region include the Murray–Darling Basin, the Snowy Mountains Scheme reservoirs on the Eucumbene River and Jindabyne Lake, and tributaries of the Shoalhaven River and Deua River. The region’s transport and settlement pattern follows corridors linking Sydney, Melbourne, Canberra, and Adelaide, and includes infrastructure such as the Hume Highway, the National Broadband Network exchanges serving Wagga Wagga and Queanbeyan, and rail lines through Goulburn and Wodonga.

Geology and Soils

Bedrock geology comprises Palaeozoic sediments, Devonian and Silurian sequences, granites of the Batemans Bay Pluton, and Tertiary basalts on the Monaro Tablelands. Historic orogenic events including the Hunter-Bowen Orogeny and regional folding produced structural highs and basins with mineral occurrences such as historic gold rushes at Braidwood and Kiandra and past mining at Bombala. Soils range from shallow skeletal soils on ridges to deep red loams on basaltic plateaus supporting sclerophyll woodlands and productive pastures near Gundagai and Benalla.

Climate

The climate varies from cool temperate alpine conditions on peaks like Mount Kosciuszko and Falls Creek to warm temperate climates in lowland areas near Eden and Nowra, with orographic precipitation influenced by moist westerlies and the Bass Strait and Tasman Sea. Snowfall occurs seasonally across the Snowy Mountains and at resorts such as Perisher and Thredbo, while inland plains experience frosts and variable rainfall affecting pastoral districts around Monaro and Yass. Climate influences on water resources have been studied in relation to the Snowy Mountains Scheme and the Murray–Darling Basin Plan.

Ecology and Biodiversity

Vegetation communities include alpine herbfields and bogs on areas like the Kosciuszko National Park, montane woodlands of Eucalyptus pauciflora and Eucalyptus delegatensis, and upland temperate rainforests in Barrington Tops and the Gulaga National Park area. Fauna includes endemic and threatened species such as the Mountain Pygmy-possum, the Corroboree Frog, the Brush-tailed Rock-wallaby populations in isolated escarpments, and migratory birds using wetlands linked to the Ramsar Convention sites on the Gippsland Lakes and the Lower Murray. The region supports threatened flora listed under Environment Protection and Biodiversity Conservation Act 1999 recovery plans for species in Kosciuszko and Wollondilly catchments.

Human History and Indigenous Heritage

The highlands are on the traditional lands of Aboriginal peoples including Ngarigo, Ngunnawal, Yuin, Wiradjuri, and Gundungurra communities, with cultural sites, songlines and seasonal movement patterns tied to waterways such as the Murrumbidgee River and mountain resources like edible yam daisies documented in records associated with Australian Institute of Aboriginal and Torres Strait Islander Studies. European exploration and settlement involved figures and events linked to Hamilton Hume, William Hovell, the Snowy Mountains Scheme engineers, and pastoral expansion that created stations like Tumut and Braidwood. Conflicts and treaties are recorded regionally in colonial archives held by institutions like the National Library of Australia and state archives in Sydney and Melbourne.

Land Use and Conservation

Land use comprises protected areas such as Kosciuszko National Park, Barrington Tops National Park, Alpine National Park, forestry estates delivering timber to mills in Wodonga and Sale, grazing on the Monaro Tablelands, and irrigated agriculture in valleys feeding the Murray–Darling Basin. Conservation efforts involve agencies like the NSW National Parks and Wildlife Service, Parks Victoria, and initiatives by Greening Australia and the Australian Conservation Foundation to restore alpine peatlands and manage invasive species such as feral horses discussed in management plans for Kosciuszko. Threats include altered fire regimes studied after major bushfires linked to the Black Summer bushfires and programs under the Bonn Convention and national biodiversity strategies.

Economy and Communities

Regional economies centre on agriculture (sheep and cattle grazing on the Monaro Tablelands), forestry supplying processing centres in Wangaratta and Bairnsdale, tourism focused on ski resorts like Perisher and Falls Creek and heritage towns such as Yass and Braidwood, plus energy and water infrastructure from the Snowy Hydro scheme. Service centres include Albury-Wodonga cross-border partnerships, higher education campuses at Charles Sturt University in Wagga Wagga and research by the CSIRO on alpine ecology, with community organisations like Volunteer Rural Fire Service brigades and local governments including Snowy Monaro Regional Council and Upper Lachlan Shire. Economic planning intersects with programs by the Australian Renewable Energy Agency and regional coordination through bodies like Regional Development Australia.

Category:Biogeographic regions of Australia