Junction of Hwy 73 (scenic altenative to Gatlinburg, no commercial traffic allowed) Hwy 73 is a beautiful scenic drive that follows the river out of the Smokies. The road is built where an old railroad bed was. There are may pull-offs to enjoy nature, or take a dip. The road exits on U.S. 441 just inside of the Great Smoky Mountain National Park. Take a left at this intersection to get back to Gatlinburg. Follow 441 to the intersection at light 3 to rejoin U.S. 321.