The Newfound Gap auto tour is yet another name for the US-441/Parkway road. Enter through the Parkway entrance in Gatlinburg, and continue following US-441 when you reach the Sugarlands Visitor Center (don't turn onto Little River Rd/Old State Hwy 73). If you keep driving about 30 miles from the Parkway entrance, you'll pass through the entire park and come out in Cherokee, NC.
Cades Cove, an 11-mile one-way loop, is probably the most popular auto tour this side of the park. To find this auto tour, follow Wears Valley Rd until it ends against E Lamar Alexander Pkwy. Turn left onto E Lamar Alexander Pkwy, and after about 2.5 miles turn right onto Laurel Creek Rd. After 7.5 miles, you will be in the Cades Cove Loop area, where signs will direct you to the starting point for the Cades Cove Loop.
Clingmans Dome ends at the beginning of an easier hiking trail, at the end of which you will be rewarded with the stunning view from a giant man-made structure lifting you high above the treetops. If you aren't interested in the hike, you can just enjoy the auto trail. Enter through the Parkway entrance
, and follow the Parkway for about 15 miles. At this point, turn right onto Clingmans Dome Rd, and enjoy the scenery.
The Roaring Fork Motor Trail is the closest auto tour in the area, and among the most beautiful, with most of the trail following the Roaring Fork river. Enter through the Cherokee Orchard Rd entrance
, and follow Cherokee Orchard Rd for about 2 miles, until you reach the one-way Roaring Fork Motor Trail.