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Maroochy River facts for kids

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Queensland State Archives 1134 Excursion Lanches Maroochy River January 1931.png
A river excursion, 1931
Country Australia
State Queensland
Region South East Queensland
Physical characteristics
Main source Blackall Range
River mouth Maroochydore
Basin features
Basin size 630 km2 (240 sq mi)

The Maroochy River is a river in South East Queensland, Australia. The river rises from the eastern slopes of the Blackall Range and flows east through Eumundi, before entering the sea at Cotton Tree, Maroochydore. Other populated centres in the catchment include Nambour, Eudlo, Yandina and Coolum.

The suburb south of Airport and North of River and west of Motorway is known as Maroochy River.


The watershed of the Maroochy River encompasses 630 square kilometres (240 sq mi) of undulating hills which have been cleared for agriculture and urban uses. There are three dams in the catchment area including Wappa Dam, Cooloolabin Dam and Poona Dam which total to 27,997 megalitres (988.7×10^6 cu ft) of capacity.

There are two main arms: North and South Maroochy Rivers. Tributaries of the river include Petrie Creek and its major tributary Paynter Creek, Eudlo Creek, Coolum Creek, Doonan Creek and Yandina Creek.

There is one Canal system open to the river Maroochy Waters and a second Canal system with restricted access to river namely Twin Waters. There are also numerous lake systems which drain to the river and its creeks such as Sunshine Cove.

There are a number of named Islands in the river including Pincushion Island, Goat Island, Channel Island, Chambers Island & Bungee's Island.

Cultural Significance

Maroochy, meaning ‘swan’, is a culturally significant river as Indigenous cultural heritage records depict stories of the formation of the river together with other locally significant lands including Mudjimba Island, Mount Coolum and Mount Ninderry.


The Maroochy River is part of a blue carbon initiative, Australia first partnership, that undertakes to provide land use options for recreation, farming and the like, via environmentally effective approaches that maintain and improve the natural environment. The area is described as the ‘Blue Heart’, spans more than 5000 hectares aimed to preserve the benefits of the natural ecosystem the wetland areas, whilst improving human and environmental health and working toward a zero net emissions target.

The Maroochy River and wetland areas bordered by Bli Bli, Marcoola, Mudjimba, Diddillibah, Twin Waters and Maroochydore suburbs, consists of several Australian Commonwealth, 'nationally important wetlands' and 'protected area' locations.<


Significant floods on the Maroochy River have occurred in 1893, 1951, 1974 and 1992. In 1994 the Maroochy River flood warning system was set up to provide river height predictions for the Maroochy Shire Council.


In the early days of settlement, the only way to travel from Yandina to Maroochydore was by boat along the Maroochy River.

By 1930, growth of urban settlements improved due to transport access changing in the Maroochy River region.

The mouth of the river was affected by the 2009 southeast Queensland oil spill, reaching about 2 kilometres (1.2 mi) upstream to the Maroochy Bridge.

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