Thredbo River

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Thredbo River
Crackemback River,Crackenback River [1]
Perennial river [1]
Thredbo River.jpg
Thredbo River from the Alpine Way in Kosciuszko National Park.
Country Australia
State New South Wales
Regions Australian Alps (IBRA), Snowy Mountains
Local government area Snowy Monaro Regional Council
Part of Snowy River catchment
Tributaries
 - leftSawpit Creek
 - rightBig Boggy,Bull Creek (New South Wales), Little Thredbo River
Town Thredbo
SourceMount Leo, Snowy Mountains
 - locationbelow South Rams Head
 - elevation1,550 m (5,085 ft)
Mouth confluence with the Snowy River
 - location Lake Jindabyne
 - elevation901 m (2,956 ft)
Length40 km (25 mi)
National park Kosciuszko NP
Reservoir Lake Jindabyne
[1] [2]

The Thredbo River, a perennial river of the Snowy River catchment, is located in the Snowy Mountains region of New South Wales, Australia.

A perennial stream or perennial river is a stream or river (channel) that has continuous flow in parts of its stream bed all year round during years of normal rainfall. "Perennial" streams are contrasted with "intermittent" streams which normally cease flowing for weeks or months each year, and with "ephemeral" channels that flow only for hours or days following rainfall. During unusually dry years, a normally perennial stream may cease flowing, becoming intermittent for days, weeks, or months depending on severity of the drought. The boundaries between perennial, intermittent, and ephemeral channels are not defined, and subject to a variety of identification methods adopted by local governments, academics, and others with a need to classify stream-flow permanence.

Snowy River river

The Snowy River is a major river in south-eastern Australia. It originates on the slopes of Mount Kosciuszko, Australia's highest mainland peak, draining the eastern slopes of the Snowy Mountains in New South Wales, before flowing through the Alpine National Park and the Snowy River National Park in Victoria and emptying into Bass Strait.

Snowy Mountains region of New South Wales, Australia

The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion and the highest mountain range on the continent of mainland Australia. It contains the Australian mainland's highest mountain, Mount Kosciuszko, which reaches to a height of 2,228 m (7,310 ft) above sea level. The range also contains the five highest peaks on the Australian mainland, all of which are above 2,100 m (6,890 ft). They are located in southern New South Wales and are part of the larger Australian Alps and Great Dividing Range. Unusual for Australia, the mountain range experiences large natural snowfalls every winter. Snow normally falls during June, July, August and early September, with the snow cover melting by late spring. The Tasmanian highlands makes up the other (major) alpine region present in Australia.

Contents

Course and features

The Thredbo River rises below South Rams Head, near Mount Leo within the Kosciuszko National Park. The river flows generally adjacent to the Alpine Way, west and northwest near Dead Horse Gap, then generally north, passing through the village of Thredbo, joined by four tributaries including the Little Thredbo River, before emptying into Lake Jindabyne, impounded by Jindabyne Dam. Within Lake Jindabyne, the river reaches its confluence with the Snowy River. [1]

Kosciuszko National Park Protected area in New South Wales, Australia

The Kosciuszko National Park is a 6,900-square-kilometre (2,700 sq mi) national park and contains mainland Australia's highest peak, Mount Kosciuszko, for which it is named, and Cabramurra the highest town in Australia. Its borders contain a mix of rugged mountains and wilderness, characterised by an alpine climate, which makes it popular with recreational skiers and bushwalkers.

Alpine Way highway in New South Wales

The Alpine Way is a 121-kilometre (75 mi) rural road located in the Snowy Mountains region of New South Wales, Australia. The road connects Jindabyne in the east to the New South Wales/Victorian border in the west, crossing the Murray River, near Upper Towong. The route does not carry an official shield designation.

Thredbo, New South Wales village in New South Wales, Australia

Thredbo is a village and ski resort in the Snowy Mountains of New South Wales, Australia, and a part of the Snowy Monaro Regional Council. It is about 500 kilometres south of Sydney, accessible by the Alpine Way via Cooma, Berridale, and Jindabyne. The village is built in the valley of the Thredbo River, also known as the Crackenback River, at the foot of the Ramshead Range.

The river descends 649 metres (2,129 ft) over its 40 kilometres (25 mi) course. [2]

Watercourse channel that a flowing body of water follows

A watercourse is the channel that a flowing body of water follows. In the UK, some aspects of criminal law, such as The Rivers Act 1951, specify that a watercourse includes those rivers which are dry for part of the year.

The flow of the river is impacted by alpine conditions; with high flows during spring as a result of snow melt. Meanwhile, during winter, the river is subject to snow and ice conditions.

Spring (season) one of the Earths four temperate seasons, occurring between winter and summer

Spring is one of the four conventional temperate seasons, following winter and preceding summer. There are various technical definitions of spring, but local usage of the term varies according to local climate, cultures and customs. When it is spring in the Northern Hemisphere, it is autumn in the Southern Hemisphere and vice versa. At the spring equinox, days and nights are approximately twelve hours long, with day length increasing and night length decreasing as the season progresses.

Little Thredbo River river in New South Wales, Australia

The Little Thredbo River, a perennial river of the Snowy River catchment, is located in the Snowy Mountains region of New South Wales, Australia.

Bullocks Flat New South Wales, Australia

Bullocks Flat is a flat portion of the Thredbo Valley adjacent to the Thredbo River, located in the Snowy Mountains region of New South Wales, Australia.

See also

This page discusses the rivers and hydrography of the state of New South Wales, Australia.

Snowy Mountains Scheme hydroelectricity and irrigation complex

The Snowy Mountains scheme or Snowy scheme is a hydroelectricity and irrigation complex in south-east Australia. The Scheme consists of sixteen major dams; seven power stations; one pumping station; and 225 kilometres (140 mi) of tunnels, pipelines and aqueducts that were constructed between 1949 and 1974. The Scheme was completed under the supervision of Chief Engineer, Sir William Hudson and is the largest engineering project undertaken in Australia.

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Jindabyne Dam

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References

  1. 1 2 3 4 "Thredbo River". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales . Retrieved 2 June 2013.
  2. 1 2 "Map of Thredbo River, NSW". Bonzle Digital Atlas of Australia. Retrieved 2 June 2013.

Coordinates: 36°24′45″S148°29′40″E / 36.41250°S 148.49444°E / -36.41250; 148.49444