Duckmaloi River, a perennial stream that is part of the Macquarie catchment within the Murray–Darling basin, is located in the Central Tablelands region of New South Wales, Australia. The Duckmaloi River rises on the western slopes of the Great Dividing Range east of Shooters Hill, and flows generally to the north by east, where it forms its confluence with the Fish River near Oberon; dropping 265 metres (869 ft) over the course of its 27 kilometres (17 mi) length.