The Gudgenby River, a perennial river that is part of the Murrumbidgee catchment within the Murray–Darling basin, is located in the Australian Capital Territory, Australia.

Gudgenby
Location of the Gudgenby River mouth in the ACT
Location
Country	Australia
Territory	Australian Capital Territory
Region	South Eastern Highlands (IBRA), Capital Country
Physical characteristics
Source	Mount Gudgenby and Yankee Hat, Brindabella Range
Source confluence	Bogong Creek and Middle Creek (Australian Capital Territory)
• location	Namadgi National Park
• coordinates	35°46′17″S 148°56′31″E
• elevation	995 m (3,264 ft)
Mouth	confluence with the Murrumbidgee River
• location	near Tharwa
• coordinates	35°31′14″S 149°4′33″E
• elevation	573 m (1,880 ft)
Length	35 km (22 mi)
Basin features
River system	Murrumbidgee River, Murray–Darling basin
Tributaries
• left	Nursery Creek, Orroral River, Booroomba Creek, Naas River
• right	Hospital Creek (ACT), Dry Creek (ACT), Half Moon Creek
[1]

Location and features

Formed by the confluence of Bogong Creek and Middle Creek, the Gudgenby River rises within Namadgi National Park, below Yankee Hat and Mount Gudgenby, on the south-eastern slopes of the Brindabella Range in the south of the Australian Capital Territory (ACT). The river flows generally north and north-east, joined by nine tributaries, including the Naas River and Orroral River, before reaching its confluence with the Murrumbidgee River, near Tharwa. The river descends 422 metres (1,385 ft) over its 35 kilometres (22 mi) course.[1]

The river catchment contains ecologically significant alpine wetlands.^{[citation needed]}

In 2004, ACTEW announced that the creation of a large 159 gigalitres (5.6×10⁹ cu ft) reservoir by damming the Gudgenby River, below Mount Tennent, was one of three options being considered as part of the Future Water Options Project in order to provide improved reliability and increased supply of potable water for Canberra and the ACT. By 2005, the ACT Government decided that the creation of the Mount Tennent dam would not proceed; in favour enlarging the Cotter Dam.[2]

Climate

Gudgenby River, due to its much higher elevation, yields a noticeably cooler climate than that of Canberra. Gudgenby River is precisely where the record low of –14.6 °C for the Australian Capital Territory was recorded.

See also

• List of rivers of the Australian Capital Territory

References

External links

• Southern ACT Catchment Group website

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[de] Gudgenby River