Allen Creek is a long 3rd order tributary to the Banister River in Pittsylvania County, Virginia.
Allen Creek rises 2 miles southeast of Straightstone, Virginia in Pittsylvania County and then flows south-southwest to join the Banister River about 1 miles southwest of Hermosa.
Allen Creek drains of area, receives about 45.2 in/year of precipitation, has a wetness index of 394.34, and is about 59% forested.