Bosley Run is a long 1st order tributary to Cross Creek in Brooke County, West Virginia. This is the only stream of this name in the United States.
According to the Geographic Names Information System, it has also been known historically as:
Bosley Run rises about 1 mile west of Mechling Hill, in Brooke County, West Virginia and then flows south-southwest to join Cross Creek about 0.5 miles northeast of Rockdale.
Bosley Run drains of area, receives about 40.0 in/year of precipitation, has a wetness index of 315.01, and is about 62% forested.