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Coordinates: 33°5′36″S 115°42′51″E / 33.09333°S 115.71417°E

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Preston River
The Preston River in Donnybrook

Location
Country	Australia
Physical characteristics

Source
• location	Goonac siding
• elevation	219 metres (719 ft)^[1]

Mouth
• location	Leschenault Estuary
Length	84 kilometres (52 mi)
Basin size	113,957 hectares (281,594 acres)^[2]

Discharge
• average	1,098 ML/a (0.0348 m³/s; 1.229 cu ft/s)^[3]

The Preston River is a river in the South West region of Western Australia.

The river has a total length of 84 kilometres (52 mi) and rises near Goonac siding then flows in a north-westerly direction until discharging into the Leschenault Estuary.^[4] The headwaters are 80 kilometres (50 mi) inland within the Darling Range and run across the Blackwood Plateau and the Swan Coastal Plain.

The majority of the river catchment has been cleared for agriculture although some remnant forest vegetation exists at the headwaters.

The towns of Donnybrook and Boyanup are on the shores of the Preston River.

The major tributaries of the river include the Ferguson River and Joshua Creek. Minor tributaries include Thomson Brook, Crooked Brook, Charley Creek, Waterfall Gully, Mininup Brook, Millbrook and Gavin Guly. The Glen Mervyn Dam is along the Preston River.

The river basin is monitored routinely as a result of eutrophication problems within the Leschenault Inlet. The water quality is fresh in many places and generally low in nutrients although some areas are slightly enriched with nitrogen.^[5]

The river is named after William Preston [Wikidata], an officer in the Royal Navy, who settled in the Swan River Colony after arriving on HMS Sulphur in 1829.^[6]

References

^ "Bonzle Digital Atlas - Map of Preston River, WA". 2008. Retrieved 23 November 2008.
^ "Australian Natural Resources Atlas - Economics - Preston River". 2007. Archived from the original on 8 August 2008. Retrieved 23 November 2008.
^ "Australian Government - Bureau of Rural Sciences - Preston River" (PDF). 2008. Archived from the original (PDF) on 29 October 2009. Retrieved 23 November 2008.
^ "The Leschenault Estuary - A changing environment". 2007. Archived from the original on 20 July 2011. Retrieved 23 November 2008.
^ "Australian Natural Resources Atlas - Preston River Basin". 2007. Archived from the original on 2 August 2008. Retrieved 23 November 2008.
^ "Logbook, 1828-1831". State Library of Western Australia. 1900. Retrieved 26 August 2019.

33°5′36″S 115°42′51″E / 33.09333°S 115.71417°E / -33.09333; 115.71417

v t e Rivers of Western Australia
Rivers of the Gascoyne region	Edmund Frederick Gascoyne Landor Lyons Minilya Thomas Wooramel
Rivers of the Goldfields–Esperance region	Alexander Dalyup Jerdacuttup Lort Munglinup Oldfield Phillips Steere Young
Rivers of the Great Southern region	Angove Bow Bremer Deep Denmark Eyre Fitzgerald Frankland Gairdner (Great Southern) Goodga Gordon Hamersley Hay Kalgan Kent King (Great Southern) Pallinup Shannon Walpole Waychinicup Weld
Rivers of the Kimberley region	Adcock Armanda Barker Barnett Barton Behn Berckelman Berkeley Bow (Kimberley) Calder Carson Chamberlain Charnley Drysdale Dunham Durack Elvire Ernest Fitzroy Forrest Fraser Gairdner (Kimberley) Gibb Glenelg Hann Hunter Isdell Johnston King (Kimberley) King Edward King George Laura Lennard Margaret (Kimberley) Mary May McRae Meda Mitchell Negri Nicholson Ord Panton Pentecost Prince Regent Richenda Robinson Roe Sale Wilson
Rivers of the Mid West region	Arrowsmith Bowes Buller Chapman Greenough Hope Hutt Impey Irwin Murchison Yalgar
Rivers of the Peel and Perth regions	Bennett Canning Dandalup Ellen Harvey Helena Hotham Murray Serpentine South Dandalup Swan Williams Claise
Rivers of the Pilbara region	Angelo Ashburton Balla Balla Beasley Cane Coongan De Grey Fortescue Frederick George River Hardey Harding Henry Maitland Nullagine Oakover Robe Rudall Shaw Sherlock Turner Yule
Rivers of the South West region	Abba Arthur Balgarup Bannister Beaufort Blackwood Brunswick Buayanyup Capel Carbunup Collie Donnelly Ferguson Ludlow Lunenburgh Margaret (South West) Preston Sabina Scott Tone Vasse Warren Worsley
Rivers of the Wheatbelt region	Avon Brockman Buchanan Dale Hill Lockhart Mackie Moore Mortlock Nambung Salt Yilgarn
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