I just looked it up in my Navigator program and there are quite a few within 20-30 mi north of Cincinnati. Never stayed in any of them, but the info about them in the program looks good. There is Cedarbrook, Cross's, Frontier, Olive Branch, East Fork,... lots more. If you have any specific requirements let me know and I can look them up for you.
We live about45 minutes north of the stadiums in Cincinnati. There are quite a few cgs in the area.I don't have many names but I will say this. Since Cinciis right in the corner by KY and INsomething there would be close also. In KY something that is close to 71/75 or 471 would give you fairly quick access into the downtown and stadium area. Indiana is close if you use 74 to get into downtown. Winton Woods is a Hamilton County (Ohio)park that is right in the middle of a residential area called Greenhills. It is a nice little cg.I would guess you are 30-40 minutes from the ballpark from there. It is quiet and they have a small lake with paddleboats, playgrounds, basketball hoops. We have stayed there a few times just to do a little weekend camping.There is also a Bass Pro Shop about10-15 minutes from there. Steamboat Bend is also a good possibility for you. We have never stayed there in fact I justheard about this place but it looks pretty good. Here are a couple of links to the cgs Steamboat BendWinton Woods
I just wanted to post a follow-up in regards to my campground question. We are currently staying at Cedarbrook Campground in Lebanan, OH. This is a very nice campground, and I would recommend it to anyone. And best of all, the Tigers won the ball game today. It's also very close to Kings Island. Again, thanks to all for the recommendations.