Less than five months later , he reached the end of the 2,168 - mile trail in Georgia .
In 1975 , Gillis set out at the northernmost point of the Appalachian Trail in Maine .
Less than five months later , Gillis reached the end of the 2,168 - mile trail in Georgia .
In 1975 , Gillis set out at the northernmost point of the Appalachian Trail in Maine .