Mortlock River
The Mortlock River is a perennial river in the Wheatbelt region of Western Australia.
Course and features
The headwaters of the river rise near Belmunging then flow in a northerly direction, crossed by the Goldfields Road and continuing in a north-westerly direction to finally flow parallel to the Northam York Road and crossed by the Great Eastern Highway. The river is joined by three minor tributaries: Mortlock River North, Mortlock River East and Meenaar South Creek. The river discharges into the Avon River, just west of Northam. The Mortlock descends over its course.The river is saline and delivers the most salt into the Avon River.