Bowman RiverBowman River, a perennial river of the Gloucester River catchment, is located in the Upper Hunter district of New South Wales, Australia.Course and featuresBowman River rises on the eastern slopes of the Great [Dividing Range], near Upper Bowman, [New South Wales|Upper Bowman], and flows generally south southeast and east before reaching its confluence with the Gloucester River, near Tugrabakh. The river descends over its course.