Which county has the largest portion of this forest in which Glassy Mountain is located?
Glassy Mountain (Georgia): Glassy Mountain is a mountain in the Chattahoochee National Forest in Rabun County, Georgia, with its USGS GNIS summit at , which is 3415 ft AMSL. Chattahoochee-Oconee National Forest:  The county with the largest portion of the forest is Rabun County, Georgia, which has 148684 acre within its boundaries.
Rabun County