N.C. Gen. Stat. § 143B-135.112

The Department shall establish an Adopt-A-Trail Program to coordinate with the Trails Committee and local groups or persons on trail development and maintenance. Local involvement shall be encouraged, and interested groups are authorized to "adopt-a-trail" for such purposes as placing trail markers, trail building, trail blazing, litter control, resource protection, and any other activities related to the policies and purposes of this Part.