Moore River

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For other uses, see Moore River (disambiguation).
Moore River
Moore River Estuary.JPG
Origin Perenjori
Mouth Indian Ocean
Basin countries Australia
Length 193 kilometres (120 mi)
Source elevation 162 metres (531 ft)[1]
Mouth elevation sea level
Avg. discharge 60860 ML/annum[2]
Basin area 13,800 square kilometres (5,328 sq mi)[3]

Moore River is a river in the Wheatbelt region of Western Australia.


The headwaters of the Moore River lie in the Perenjori, Carnamah and Dalwallinu Shires. The river then drains southwards through Moora, flows westerly before joining with the Moore River East near Mogumber, then flows in a westerly direction over the Edengerie Cascade, through the northern edge of the Moore River Nature Reserve, then through the Gingin Scarp, discharging into the Indian Ocean at Guilderton.[3]

The river includes a catchment that extends from just south of Three Springs to Guilderton. The catchment has a total area of 13,800 square kilometres (5,328 sq mi) and is 80% cleared for agriculture.[3] The catchment area is used for broadacre farming but with increasing diversification in horticulture and tree plantations. The river mouth at Guilderton typically closes during the summer months due to insufficient water flow, creating a sandbar.

The river has nine subcatchment areas and has a number of tributaries and lakes along the length of the river. The salinity levels in the river catchment vary from brackish to saline with the exception of Gingin Brook which remains fresh throughout the year.[3]


Originally named the Garban,[4] the river was named River Moore in May 1836 by Corporal Patrick Heffron of the 63rd Regiment of Foot, who named it after his expedition leader George Fletcher Moore, Advocate-General. The exploratory party comprised Moore, Heffron and the native Weenat.[5][6] Heffron was notable for his participation in the Battle of Pinjarra in 1834.[7]

The river is prone to periodical flooding unusually following cyclones and tropical depressions crossing the coast further north. In 1907, the railway lines between Watheroo and Moora were closed for some time when parts of the track were washed away.[8] More floods occurred in 1917 when 1.7 inches (43 mm) of rain fell in three hours at Mogumber with similar falls in surrounding areas. Moora was once again left underwater and rail services in surrounding areas were suspended. Low lying areas at other towns such as Arrino, Three Springs and Coorow were also submerged.[9]

In 1932 the river flooded once again following heavy rains in the Midland districts. In railway lines ere undermined to a depth of 30 feet (9 m) leaving Moora isolated from Perth by both road and rail. The township of Moora was left 3 feet (1 m) underwater and portions of the town had to be evacuated. Crops and some stock were lost as result of the floodwaters.[10]

See also[edit]


  1. ^ "Bonzle Digital Atlas – Map of MooreRiver". 2009. Retrieved 12 March 2009. 
  2. ^ "River Monitoring Station - Moore River - Quinns Ford". 2009. Retrieved 12 March 2009. 
  3. ^ a b c d Alderman, Angela; Clarke, Mike (Oct 2003). "Moore River Catchment Appraisal 2003" (pdf). Resource Management Technical Report, W.A. Department of Agriculture 263. Retrieved 30 July 2012. 
  4. ^ Grey, George (1841). Journals of two expeditions of discovery in North-West and Western Australia, during the years 1837, 38, and 39, describing many newly discovered, important, and fertile districts, with observations on the moral and physical condition of the aboriginal inhabitants, etc. etc. 2. London: T. and W. Boone. p. 67. Retrieved 17 March 2012. 
  5. ^ Moore, George Fletcher (21 May 1836). "A new river discovered, by the Hon. G. F. Moore, Esq., on a recent excursion to the northward". The Perth Gazette and Western Australian Journal. Retrieved 30 July 2012. 
  6. ^ "Landgate river histories". 
  7. ^ Moore, George Fletcher (1884). "The colony". Diary of ten years eventful life of an early settler in Western Australia and also a descriptive vocabulary of the language of the aborigines. London: M. Wallbrook. Retrieved 30 July 2012. 
  8. ^ "A town under water". The Advertiser (Adelaide, South Australia: National Library of Australia). 3 August 1907. p. 10. Retrieved 8 April 2013. 
  9. ^ "The Midland Line". The West Australian (Perth, Western Australia: National Library of Australia). 6 August 1917. p. 6. Retrieved 8 April 2013. 
  10. ^ "Country Floods. Midland towns suffer". Western Mail (Perth, Western Australia: National Library of Australia). 11 August 1932. p. 25. Retrieved 8 April 2013. 

External links[edit]

  • [1] includes a map of the lower reaches of the river navigable by canoe
  • [2] larger zoomable Sunset Coast map

Coordinates: 31°22′S 115°29′E / 31.367°S 115.483°E / -31.367; 115.483