Blacks Creek is a long 2nd order tributary to Allen Creek in Pittsylvania County, Virginia.
Blacks Creek rises in Renan, Virginia in Pittsylvania County and then flows southeast to join Allen Creek about 1 miles southwest of Hermosa.
Blacks Creek drains of area, receives about 45.2 in/year of precipitation, has a wetness index of 405.09, and is about 55% forested.