Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Banister River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Banister River, the highest being situated at an altitude of ft, the .

The Banister River is a 75-mile-long river located in southern Virginia, USA. The river is named after John Banister, an early settler in the area. The Banister River is a tributary of the Dan River and is part of the Roanoke River watershed. The river has a diverse hydrology with a mix of rocky rapids and calm, wide stretches. The Banister River is home to several reservoirs, including Banister Lake and Smith Mountain Lake. These reservoirs provide recreational opportunities such as fishing, boating, and swimming. The river is also used for agricultural purposes with several farms located along the riverbanks. The Banister River has a rich history, with Native American artifacts and Civil War battle sites along its banks. Today, the river remains an important resource for both recreation and industry in southern Virginia.