Line Branch (Dan River tributary)Line Branch is a long 1st order tributary to the Dan River in Halifax County, Virginia.CourseLine Branch rises about 1 mile southeast of Dryburg, Virginia, and then flows south-southeast to join the Dan River about 1 mile northeast of Aarons Creek.WatershedLine Branch drains of area, receives about 45.2 in/year of precipitation, has a wetness index of 464.12, and is about 88% forested.