Grassy Fork is a long 2nd order tributary to Elkin Creek in Wilkes Counties, North Carolina.
Grassy Fork rises about 0.5 miles northeast of Austin in Wilkes County, North Carolina. Grassy Fork then flows southeast to join Elkin Creek at about 2.5 miles southwest of State Road, North Carolina.
Grassy Fork drains of area, receives about 50.5 in/year of precipitation, has a wetness index of 334.33, and is about 50% forested.