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| Mountain passes of Australia | |
|---|---|
| Name | Mountain passes of Australia |
| Caption | Thredbo Gap and Kosciuszko Road approaches in the Snowy Mountains |
| Location | Australia |
| Range | Australian Alps, Great Dividing Range |
| Highest | Mount Kosciuszko approaches |
Mountain passes of Australia are the crossings and routes through Australia's ranges that have shaped travel, settlement, and ecosystems across the Australian continent. Spanning the Great Dividing Range, the Australian Alps, the MacDonnell Ranges and other uplands, these passes have served explorers, miners, pastoralists, motorists and conservationists from the era of James Cook and Arthur Phillip through the epochs of the Victorian gold rushes and the development programs of the Snowy Mountains Scheme. They remain focal points for infrastructure projects led by agencies such as the Australian Rail Track Corporation, the New South Wales Government and the Victorian Government.
Mountain passes in Australia include natural saddles, engineered gaps and road cuts across features like the Blue Mountains, the Brindabella Range, the Grampians (Gariwerd), and the Flinders Ranges. Passes often bear names associated with explorers such as Edward John Eyre, surveyors like Thomas Mitchell, colonial officials including Charles Sturt, and events such as the Eyre Peninsula expeditions and the Overland Telegraph Line surveys. Many passes are integral to corridors used by the Princes Highway, the Hume Highway, the Sturt Highway, the Great Western Highway, and the Snowy Mountains Highway.
Passes cluster along the eastern seaboard where the Great Dividing Range elevates coastal plains above inland basins, with concentrations in the New England tablelands, the Monaro region, and the Victorian Alps. Arid-zone passes traverse the MacDonnell Ranges near Alice Springs, the Flinders Ranges near Port Augusta, and the Simpson Desert margins. Island passes exist on Tasmania across the Western Tiers and the Ben Lomond. Infrastructure corridors link ports such as Sydney Harbour, Melbourne, Hobart, and Adelaide with inland hubs like Canberra, Albury, Wagga Wagga, and Broken Hill.
Explorers including John Oxley, Ludwig Leichhardt, John McDouall Stuart, and Hamilton Hume used passes to open interior lines to settlements like Bathurst, Braidwood, and Goulburn. Passes enabled routes for the Victorian gold rushes to Ballarat, Bendigo, and Echuca and for pastoral expansion into the Riverina and Outback. Strategic and logistical uses tied into projects such as the Overland Telegraph Line, the Trans-Australian Railway, and the Snowy Mountains Scheme, with construction teams from organizations like Commonwealth Railways and contractors engaged by the Australian Government Department of Infrastructure. Passes also figured in conflicts and policing actions involving colonial forces and Indigenous groups such as the Wiradjuri and Ngunnawal peoples.
Road and rail design through passes involves agencies including the Australian Road Research Board, state road authorities like VicRoads and Transport for NSW, and engineering firms that worked on projects like the Hume Freeway upgrades and the Murray–Darling Basin freight links. Passes accommodate arterial routes such as the Great Ocean Road approaches to coastal escarpments, the Pacific Highway north of Coffs Harbour, and freight corridors feeding ports including Port of Melbourne and Port Kembla. Tunnels, viaducts, and cutting works have been installed in places like the Blue Mountains and the Grampians (Gariwerd), while high-clearance routes service heavy vehicles bound for mines at Broken Hill and Cobar.
Passes intersect diverse ecoregions managed by agencies such as the Parks Australia network and state park services like the NSW National Parks and Wildlife Service and Parks Victoria. Alpine passes in the Kosciuszko National Park support unique assemblages including the mountain pygmy-possum and endemic alpine flora, while arid passes in the Simpson Desert and Tanami Desert sustain hardy species such as the perentie and the spinifex hopping mouse. Climate change models produced by the CSIRO and the Bureau of Meteorology indicate changing snowlines in the Australian Alps, altered fire regimes affecting passes in the Blue Mountains and the Grampians (Gariwerd), and hydrological impacts on catchments feeding the Murray–Darling Basin.
- New South Wales: passes on the Great Dividing Range near Bathurst, the Blue Mountains including approaches to Mount Victoria and Katoomba, the Monaro crossings to Canberra, and the Snowy access routes to Jindabyne and Thredbo. - Victoria: passes in the Victorian Alps near Mount Hotham, Falls Creek, and the Great Alpine Road; corridors through the Grampians (Gariwerd) to Halls Gap and approaches to Ballarat. - Queensland: passes through the McPherson Range near Lismore, the Great Dividing Range escarpment north of Brisbane, and inland passes toward Toowoomba. - South Australia: passes across the Flinders Ranges near Wilpena Pound, the Mount Lofty Ranges approaches to Adelaide, and outback corridors to Port Augusta. - Western Australia: passes in the Hamersley Range near Tom Price, the Porongurup approaches, and road cuts toward Kalgoorlie. - Tasmania: passes on the Western Tiers and approaches to Cradle Mountain and the Overland Track. - Northern Territory: passes in the MacDonnell Ranges near Alice Springs and the escarpments of the Arnhem Land approaches. - Australian Capital Territory: passes linking Canberra with the Brindabella Range and the Namadgi National Park.
Passes provide access for alpine skiing at resorts like Perisher and Thredbo, bushwalking on trails established by groups such as the Alpine Club of Australia, and scenic drives promoted by state tourism bodies like Visit Victoria and Destination NSW. They form part of long-distance routes including the Australian Alps Walking Track, the Great Ocean Walk, and cycling challenges used in events by organizations such as Australian Cycling Federation. Ecotourism and Indigenous cultural tours link passes to heritage sites managed jointly by agencies and Traditional Owner groups including the Gundungurra and Yorta Yorta peoples.