Deam Lake SP or Charlestown SP

Coming from the Indianapolis area heading to Chattanooga area and looking for a park around Louisville. Crossed between Deam Lake and Charleston SP. Reviews aren't that much different so it's sort of a toss up. Charleston has fewer open sites for the date we need.
A 26' B+ needing electric only, but want level site. Trees are a plus but it's only for a night, so not a deal breaker.
Which would you opt for & why?
Or is there something in that area that's better?
thanks