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Geography of Victoria


Geography of Victoria

Geography of Victoria[1]
Continent Australia
Region Southeast Australia
Borders Land borders: New South Wales, South Australia. Maritime Borders: Tasmania
Highest point Mount Bogong
1,986 m (6,516 ft)
Lowest point Bass Strait
sea level
Longest river Goulburn River
654 km (406 mi)
Largest lake Gippsland Lakes
600 km² (373 sq mi)

Victoria is the southernmost mainland state of Australia. With an area of 227,594 km² (87,874.5 sq mi), it is Australia's sixth largest state or territory. The State is comparable in size to the US state of Utah or the island of Great Britain. It is bound to the northwest by South Australia, directly north by New South Wales, and also shares a maritime border with Tasmania to the south, across the Bass Strait. Most of Victoria's northern border lies along the Murray River. The eastern half of the state is dominated by the Great Dividing Range and the surrounding uplands, which also to a lesser extent extend far into the west of the state and ease off after The Grampians. By comparison the north and northwest of the state is extremely flat with little prominence. Approximately three quarters of Victoria's population lives on and around the coast of the Port Phillip and Western Port bays, chiefly in Melbourne, in Victoria's South Central region.


  • Regional divisions 1
    • Central 1.1
    • East 1.2
    • West 1.3
    • South-East 1.4
    • South-West 1.5
    • North-East 1.6
    • North-West 1.7
  • Eastern Uplands (Victorian Alps) 2
    • Topography and hydrology 2.1
    • Botany 2.2
  • Western Uplands (Grampians) 3
    • Dissected uplands 3.1
    • Strike ridges & valleys (Grampians range) 3.2
    • Low elevation plateau (Tablelands) 3.3
  • Southern Uplands (Strzelecki & Otways) 4
    • 250-600m (Otway, Strzelecki & Hoddle Ranges) 4.1
    • 100-250m 4.2
    • Below 100m 4.3
  • Northern riverine plains (Murray Valley & Riverina) 5
    • Modern floodplains 5.1
    • Older alluvial plains 5.2
    • Alluvial fans & aprons 5.3
    • Hills & low hills 5.4
  • North-Western Dunefields & Plains (Wimmera & The Mallee) 6
    • Calcareous dunefields 6.1
    • Siliceous dunefields (Sunset, Big & Little Deserts) 6.2
    • Depressions 6.3
    • Clay plains with subdued ridges 6.4
    • Ridges with sand & flats 6.5
    • Hills & low hills 6.6
  • Western Plains (Glenelg-Hopkins) 7
    • Volcanic plains 7.1
    • Sedimentary plains 7.2
    • Hills & low hills 7.3
  • Eastern Plains (Gippsland) 8
    • Central sunklands 8.1
    • South-eastern riverine plains 8.2
    • High level terraces & fans 8.3
  • Coastal 9
    • Active cliffs (Port Campbell) 9.1
    • Steep slopes with basal cliffs (Cape Otway) 9.2
    • Stranded cliffs (Gippsland Lakes) 9.3
    • Coastal barriers (Ninety Mile Beach) 9.4
    • Transgressive dunes 9.5
    • Low coasts (wetlands & tidal reaches) 9.6
    • Central bays (Port Phillip & Western Port) 9.7
    • Engineered coast (Port Melbourne) 9.8
  • References 10
  • External links 11

Regional divisions

The geography of Victoria has several different divisions depending on the aspect of the geography in question. Geomorphological divisions are listed in the following sections. From a human geographical perspective, the state is divided up into the following regions:


Port Phillip
Western Port


East Gippsland
West Gippsland






Eastern Uplands (Victorian Alps)

Topography and hydrology

Centred on the main divide in eastern Victoria, the Eastern Uplands separate the streams and rivers draining north to the Murray-Darling Basin from those flowing southwards directly to the sea. It is the largest and most diverse geomorphic region in the State.

The main streams draining northwards are the Goulburn, Campaspe, Mitta Mitta, Kiewa, Loddon, Avoca, Wimmera, Ovens and King Rivers. The most important streams flowing southwards to the sea are the Latrobe, Thomson, Macalister, Mitchell, Tambo, Nicholson and Snowy Rivers and their tributaries. All these rivers, with the exception of the Snowy River, reach the sea through the Gippsland Lakes of south-eastern Victoria. Further east, the Bemm, Cann and Genoa Rivers flow directly into Bass Strait to drain the eastern division of the Eastern Uplands. The Yarra River, flowing into Port Phillip Bay, drains the southwest area of the Uplands. The longest river in Victoria is the Goulburn, which rises at Mount Mattlock (1377 meters) and flows into the Murray river near Echuca. It is over 650 kilometers long.

Major peaks on the Great Divide in the Eastern Uplands include Mount Cobberas (1,833 m) near the border with New South Wales, Mount Hotham (1,862 m) and Mount Howitt (1,746 m). Victoria’s highest mountain, Mount Bogong (1,986 m), is just north of the main range on a ridge that separates the upper reaches of the Mitta Mitta River from the Kiewa River. Other prominent peaks are Mount Feathertop (1,922 m), also to the north of the Divide, and Mount Buller (1,804 m) to the north west of Mount Howitt. Mount Wellington (1,632 m) lies at the southern end of the Snowy Range. The highest point south of the main divide is Mount Reynard which lies at an elevation of 1,737 meters.

Dendritic patterns of narrow ridges and valleys are typical of the region and characterise much of the deeply dissected landscape on either side of the Great Divide. Occasional isolated summits such as Mount Buller and Feathertop stand above the remnant plateaus or broad ridges.

Extensive landscapes of low relief occur at higher altitudes in the form of plateaus such as the Bogong High Plains, the plateaus of Mount Buffalo (about 1,400 m) and the Baw Baw Plateau, which are collectively commonly referred to as “high plains”. Extensive plateaus at successively lower elevations also frequent the further they are from the main divide. These include the Pinnibar plateau in the north-east, Nunniong plains to the south (about 1,200 m), and the Koetong - Shelly, Wabonga and Strathbogie plateaus further north (about 600–1,100 m).

The northerly draining valleys widen and the stream gradients gradually decrease as they near the Riverine Plain to the north and west of the region. The lower reaches of these streams have flood plains of fine sediments flanked by several sets of terraces. Alluvial or colluvial formations emerge from minor valleys of small ephemeral streams that drain the interfluves of major valleys. The ridges, as they approach the lowland plains give way to low hills which mark the later stages of erosion of the upland ridges.

The floodplain and terraces of the Murray River at Wodonga indicate the eastern edge of the Northern Riverine Plain and the northern edge of the Eastern Uplands, at which point the floodplain is only about 150 m above sea level, consequently causing the flow of the major river systems in the region to carved deep, narrow valleys over time, the upper reaches of those having steep gradients.

South of the Great Divide the river systems increase in gradient and valley depth, and as they approach the Eastern Plain, having narrower alluviated valleys than those in the north. Large lowland areas enclosed by steep ridges such as the Murmungee basin south of Beechworth and the Dargo area south of the Divide, occur in parts of the Eastern Uplands. These are found where more readily weathered and eroded rocks occur surrounded by resistant rocks. The southern boundary of the Eastern Uplands is the southern extremity of an uneven bench-like platform known as the Nillumbik Terrain, which can be traced bordering the Eastern Plain from near Orbost to the eastern suburbs of Melbourne. The Eastern Uplands extend to the coast from Cape Conran to Rams Head, where the Nillumbik Terrain is absent, and is fringed with coastal sand dunes in parts.


Tall, thick forests of Alpine Ash occur on the upper mountain slopes, while the worlds tallest hardwood tree, Mountain Ash, is found at slightly lower altitudes in the west of the region, with a typical variety of mixed-species eucalypts in conjunction with Ti-Tree shrubs composing the remainder of the forested portion of the Eastern Uplands.

The high plains are dominated by grasslands, herbfields, and heath communities which are widespread in areas where cold air drainage limits woody plant growth, with sphagnum bogs and fens in permanently wet areas. Snow Gum woodlands occupy the rocky knolls and ridges above approximately 1400–1500 m.[2]

Western Uplands (Grampians)


Dissected uplands

Strike ridges & valleys (Grampians range)

Low elevation plateau (Tablelands)

Southern Uplands (Strzelecki & Otways)


250-600m (Otway, Strzelecki & Hoddle Ranges)


Below 100m

Northern riverine plains (Murray Valley & Riverina)


Modern floodplains

Older alluvial plains

Alluvial fans & aprons

Hills & low hills

North-Western Dunefields & Plains (Wimmera & The Mallee)


Calcareous dunefields

Siliceous dunefields (Sunset, Big & Little Deserts)


Clay plains with subdued ridges

Ridges with sand & flats

Hills & low hills

Western Plains (Glenelg-Hopkins)


Volcanic plains

Sedimentary plains

Hills & low hills

Eastern Plains (Gippsland)


Central sunklands

South-eastern riverine plains

High level terraces & fans


Active cliffs (Port Campbell)

Steep slopes with basal cliffs (Cape Otway)

Stranded cliffs (Gippsland Lakes)

Coastal barriers (Ninety Mile Beach)

Transgressive dunes

Low coasts (wetlands & tidal reaches)

Central bays (Port Phillip & Western Port)

Engineered coast (Port Melbourne)


  1. ^ Jacaranda Atlas 6th Edition. Pages 80-87
  2. ^ DPI, Eastern Uplands
  3. ^ DPI, Western Uplands
  4. ^ DPI, Southern Uplands
  5. ^ DPI, Northern Riverine Plains
  6. ^ DPI, Dunefields & Plains
  7. ^ DPI, Western Plains
  8. ^ DPI, Eastern Plains

External links

  • Maps
  • DPI
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