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| Southern Tablelands | |
|---|---|
| Name | Southern Tablelands |
| State | New South Wales; Australian Capital Territory; Victoria |
| Area | 20000 km² |
| Population | 150,000 (approx.) |
| Major cities | Canberra; Goulburn; Queanbeyan; Yass; Yass Valley |
| Coordinates | 35°S 149°E |
Southern Tablelands is a highland region of southeastern Australia spanning parts of New South Wales, the Australian Capital Territory and touching Victoria. The region includes plateaus, intermontane basins and undulating hills situated between the Great Dividing Range escarpments and the south coast drainage divide. It comprises a mix of rural towns, federal institutions and grazing country closely associated with Canberra and historic corridors such as the Hume Highway.
The Southern Tablelands lie south of Werriwa and north of the Monaro plateau, bounded to the east by the Great Dividing Range and to the west by the Murrumbidgee River catchment and the Murrumbidgee River Corridor. Principal centres include Canberra, Queanbeyan, Goulburn, Yass, Braidwood, Cooma (fringe), and Crookwell. Major waterways include the Murrumbidgee River, Shoalhaven River, Queanbeyan River and tributaries feeding the Lake George basin. Road corridors such as the Hume Highway, Kings Highway and rail links like the Main Southern railway traverse the area. Protected areas include parts of Namadgi National Park, Conjola National Park (fringe), and numerous state forests.
Bedrock is dominated by Paleogene and Neoproterozoic sequences, with granites of the Lachlan Fold Belt and sedimentary units of the Sydney Basin and Gunning Complex. Tectonic history involves phases linked to the Caledonian orogeny and later reactivation during the Mesozoic and Cenozoic. Soils vary from skeletal podzols on ridge crests to red-brown Earths and duplex soils on basalt-capped plateaus derived from Tertiary basalt flows. Areas of limestone and quartzite produce calcareous soils supporting different vegetation. Alluvial terraces along the Murrumbidgee River and Shoalhaven River host fertile loams that supported early pastoral settlement.
The region experiences a cool temperate to cold climate influenced by elevation, with frosts common inland and occasional snowfalls on higher ridges near Namadgi National Park and Brindabella Range. Westerly airstreams from the Bass Strait and Southern Ocean produce frontal rainfall, while the El Niño–Southern Oscillation modulates interannual variability. Mean annual temperatures are lower than coastal Sydney and higher than alpine Kosciuszko National Park, with precipitation gradients producing drier western slopes and wetter eastern escarpments. Evapotranspiration and seasonality influence pasture growth and native woodland phenology.
Native vegetation includes remnants of Eucalyptus pauciflora woodlands, Eucalyptus melliodora and Eucalyptus radiata open forests, and patches of Stringybark and Yellow Box-Red Gum assemblages. Grassland communities such as Natural Temperate Grassland of the Southern Tablelands host endemic and threatened flora including Dianella species and the federally listed Golden Sun Moth habitat. Fauna comprises populations of Macropus giganteus (eastern grey kangaroo), Pseudomys novaehollandiae (New Holland mouse) analogues, Phascolarctos cinereus (koala) remnants, and birds like Regent Honeyeater, Gang-gang Cockatoo, Superb Parrot and Common Bronzewing. Threats include fragmentation from agriculture, invasive species such as European rabbit, red fox and Feral cat, altered fire regimes influenced by policies from NSW National Parks and Wildlife Service and ACT Parks and Conservation Service, and climate change impacts documented alongside studies by institutions such as the CSIRO and Australian National University.
The Southern Tablelands are on the lands of Indigenous peoples including the Ngunnawal and Yuin cultural groups, with songlines, fish traps, and scarred trees recorded across the region. Early European exploration involved figures linked to expeditions such as John Oxley and Hamilton Hume; pastoral expansion followed, with squatting runs associated with the Australian Agricultural Company model and wool production integrally linked to markets in London and shipping via Sydney Cove. The area witnessed colonial institutions like the establishment of Goulburn Gaol and infrastructure tied to the Lachlan River trade routes. Federation-era developments centered on the creation of the Australian Capital Territory and siting of Canberra after surveys influenced by figures including Edmund Barton and Walter Burley Griffin. Twentieth-century shifts included wartime logistics using Holsworthy Barracks and agricultural modernization through programs by the Department of Agriculture and Water Resources and research at CSIRO and the Commonwealth Scientific and Industrial Research Organisation.
Land use is dominated by livestock grazing—sheep and beef—wine production in cooler vineyards near Hilltops and hobby farms catering to commuters to Canberra. Forestry, both plantation and native logging regulated under NSW Forestry Corporation rules, contributes regionally alongside mineral exploration historically for limestone and small-scale coal deposits. Energy infrastructure includes links to the Snowy Mountains Scheme transmission corridors and renewable projects connected to the National Electricity Market. Agri‑businesses supply processors in Sydney and Canberra; agritourism, boutique food producers and events associated with institutions like the Royal Canberra Show and regional art centres bolster local economies.
Major transport arteries include the Hume Highway, Federal Highway, and Kings Highway, connecting to Sydney and Melbourne networks. Rail services historically used the Main Southern railway with freight nodes at Goulburn and regional yards; passenger links operate from Canberra railway station and interstate connections via coach links. Airports include Canberra Airport serving domestic and limited international services, while regional airstrips serve aero clubs such as Goulburn Regional Airport users. Water infrastructure interacts with storages like Lake George catchment management and pipelines supplying the Australian Capital Territory under compacts and agreements negotiated between New South Wales and the Australian Government.
Category:Regions of New South Wales Category:Regions of the Australian Capital Territory Category:Highlands of Australia