Undertakes to promote special regional investigations as such studies are u few in Pakistan. There are several such regions which need efforts to bring forth the existing geographical associations The Potwar plateau has been, and is, a region under intensive investigations, especially, for Oil exploration. At the same time the National Federal Capital, Islamabad, is also situated here. Due to these facts the plateau needed a geographical study. Here an attempt has been made to investigate the characteristics of drainage system in relation to its geological setting and the resultant geomorphology and topography.