Flat Creek is a long 1st order tributary to Stewarts Creek in Carroll County, Virginia, United States.
Flat Creek rises about west of Sams Knob in Carroll County and then flows east to join Stewarts Creek about southwest of Lambsburg, Virginia.
Flat Creek drains of area, receives about 52.9 in/year of precipitation, has a wetness index of 283.63, and is about 84% forested.