Geography
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.
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 agiculture. 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.
Read more about this topic: Moore River (Western Australia)
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