Pigna Barney RiverPigna Barney River, a partly perennial river of the Manning River catchment, is located in the Upper Hunter district of New [South Wales], Australia.Course and featuresPigna Barney River rises on the eastern slopes of Mount Royal Range, south of the locale of Glenrock, [New South Wales|Glenrock], and flows generally east by south before reaching its confluence with the Manning River, south of Mount [Myra, New South Wales|Mount Myra]. The river descends over its course.