Note that I try to keep this info up-to-date, but be sure to check the web links, and also check with these parks & locations to be 100% sure (I could be wrong, and sometimes their rules change...)
This one is way down at the south end of the lake. It is one of four boat ramps that are open 24 hours a day (Ebenezer, Robeson, Farrington Point, and Poe's Ridge).
(35.644149,-79.08629)
Google Satellite Map