Cooks Vale CreekThe Cooks Vale Creek, a mostlyperennial river that is part of the Lachlan sub-catchment of the Murrumbidgee catchment within the Murray–Darling basin, is located in the South Western Slopes region of New South Wales, Australia.Course and featuresFormed by the confluence of two unnamed watercourses, the Cooks Vale Creek rises southwest of Hadley, on the south western slopes of the Great [Dividing Range], and flows generally northwest by north before reaching its confluence with the Abercrombie River east of.