Hilly CreekHilly Creek is a long 1st order tributary to the Hyco River in Halifax County, Virginia. Flat Branch joins Hyco River in John H. Kerr Reservoir. This is the only stream of this name in the United States.CourseHilly Creek rises in a pond at Omega, Virginia and then flows southeast to join the Hyco River in John H. Kerr Reservoir about 1.5 miles south-southeast of Omega.WatershedHilly Creek drains of area, receives about 45.6 in/year of precipitation, has a wetness index of 370.38, and is about 63% forested.