Mcdonald River
The Mcdonald River, also known as the Macdonald River and locally as the Collett River, is a river located in Far North Queensland, Australia.
The headwaters of the river rise in the foothills of the Great Dividing Range on Cape York Peninsula. Formed by the confluence of two unnamed creeks, the river flows in a westerly direction eventually discharging to the Gulf of Carpentaria, north of. The river descends over its course.
The river has a catchment area of of which an area of is composed of estuarine wetlands.