Need Advice re: Campgrounds in Northern Georgia

We like Vogel State Park. In Cherokee NC we stayed at Happy Holiday RV Village. Not fancy but we got a back in site on the creek and loved it. Drive through Smoky Mt Natl park, visit Cades Cove. Asheville NC- Biltmore House $$.
Near Atlanta we like Old Federal Corps of Engineers Campground on Lake Sidney Lanier in Flowery Branch GA - water & electric only with dump station.
Lots to see and do in Chattanooga. We stay at Holiday TravL Park. Look up all the things to do on Trip Advisor.