From Fontana, across the dragon. Hang a right on Foothills Pkwy (epic). Take that to 321 in Towsend go right on 321. Then right on Lamar Alexander Parkway which turns into Townsend Entrance Rd. Left on Little River Gorge Rd (epic) to 421. Right over the mountain (epic if no traffic) then left on BRP just before Cherokee.
I call this Tonik Route #2