Actually I learnt it from that link...
Directions: Located west of Boone off of Route 321, it is 5.4 miles west of the junction of routes 421 and 321. As you head west, look for a pull-off/parking area on your right across from Laurel Creek Road. Park here and then cross Route 321. A 0.15 mile trail leads to the falls pictured above. Another waterfall, Watauga Falls, is located 0.2 miles further west on Route 321 (I haven't visited that one yet).
What I said was there was no parking area on(No parking signs along 321) the right after Laurel Creek Rd. And I don't see anything on the left of 321......
I am not totally sure whether it's on the left of 321 or on the right of Laurel Creek Rd...
Google StreetView