Isabella River, a perennial stream that is part of the Lachlan catchment within the MurrayâÂÂDarling basin, is located in the centralâÂÂwestern region of New South Wales, Australia.
The river rises on the western slopes of the Great Dividing Range, between Isabella and Burraga, and flows generally south, south-west, north-west and west, before reaching its confluence with the Abercrombie River east of Tuena; descending over its course.