Federal & State campgrounds: Max rig size?

Now this web site only applys to National Parks but many state parks are much like National parks. The one factor that seems to be in all of them is the tree factor or remoteness of the roads entering areas away from big commercial type only for the rich and famous. Many people find them selves buying their dream boat only to find that their boat needs an ocean to float in and a small lake in the woods won't float your boat. This link may be of some help.

http://www.camperreport.com/best-rv-length-for-national-parks/