Avon River | |
---|---|
Location | |
Country | Australia |
State | New South Wales |
IBRA | NSW North Coast |
District | Upper Hunter |
Municipality | Mid-Coast Council |
Physical characteristics | |
Source | Barrington Tops |
• location | south of Carsonville |
• elevation | 498 m (1,634 ft) |
Mouth | confluence with the Gloucester River |
• location | near Gloucester |
• elevation | 86 m (282 ft) |
Length | 42 km (26 mi) |
Basin features | |
River system | Manning River catchment |
Tributaries | |
• right | Clear Hill Creek, Cadiangullong Creek, Dog Trap Creek, Mograni Creek, Waukivory Creek |
[1] |
Avon River, a perennial stream of the Manning River catchment, is located in the Upper Hunter region of New South Wales, Australia.
Avon River rises in the northern foothills of the Barrington Tops, south of Carsonville in the Berrico Nature Reserve within the Barrington Tops National Park, and flows generally north-east, joined by five minor tributaries, before reaching its confluence with the Gloucester River, near Gloucester, south of the confluence of the Gloucester River with the Barrington River. The river descends 412 metres (1,352 ft) over its 42 kilometres (26 mi) course [1]
The catchment area of the river benefits from melting snow in spring. Gloucester district, although incredibly hot in the main summer months, nevertheless has an annual rainfall averaging 1,300 millimetres (51 in). As a result, combined with the merging streams and rivers, periodic serious flooding occurs in the Avon Valley at Gloucester, sometimes cutting all transport links.[ citation needed ]
The Gloucester River eventually flows into the Manning River, a major waterway which flows into the Tasman Sea through a minor delta east of Taree. [2]
In 2004, assessments of water sampling done in 1997 by the NSW Environment Protection Authority, revealed poor water quality, with high levels of nutrients leading to excess algae. [3] Along the river, downstream from Stratford, bank erosion and the invasion by exotic plant species have degraded the river.
The Hunter River is a major river in New South Wales, Australia. The Hunter River rises in the Liverpool Range and flows generally south and then east, reaching the Tasman Sea at Newcastle, the second largest city in New South Wales and a major harbour port. Its lower reaches form an open and trained mature wave dominated barrier estuary.
Manning River, an open and trained mature wave dominated barrier estuary, is located in the Northern Tablelands and Mid North Coast districts of New South Wales, Australia. It is the only double delta river in the southern hemisphere in which there are two permanent entrances to the river, one at Old Bar and another at Harrington, and is famously one of only two rivers in the world to have permanent multiple entrances with the other being the Nile river in Egypt.
Paterson River, a perennial river that is part of the Hunter River catchment, is located in the Hunter and Mid North Coast regions of New South Wales, Australia.
Barrington River, a perennial river of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.
Barnard River, a perennial river of the Manning River catchment, is located in the Northern Tablelands and Mid North Coast districts of New South Wales, Australia.
Bowman River, a perennial river of the Gloucester River catchment, is located in the Upper Hunter district of New South Wales, Australia.
The Chichester River, a perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Cobark River, a perennial river of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.
Cobark River, a perennial river of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.
Gloucester River, a perennial river and major tributary of the Manning River catchment, is located in the Mid North Coast hinterland New South Wales, Australia.
Kerripit River, a perennial river of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.
Moppy River, a perennial river of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.
Wangat River, a perennial river of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Wards River, a mostly perennial river of the Mid-Coast Council system, is located in the Mid North Coast and Upper Hunter regions of New South Wales, Australia.
The Williams River is a perennial stream that is a tributary of the Hunter River, in the Hunter Region of New South Wales, Australia.
Allyn River, a perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Dingo Creek, a perennial stream of the Manning River catchment, is located in the Mid North Coast region of New South Wales, Australia.
Pages Creek, a mostly perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Moonan Brook, a mostly perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Stewarts Brook, a perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Coordinates: 31°59′54″S151°58′17″E / 31.99833°S 151.97139°E