We need advice on the length of a new 5th-Wheel. We will be replacing our 5th-Wheel and getting one with slides. However, we don’t want one that is too long to easily use in National and State Park campgrounds. Two summers ago while visiting Yellowstone, Glacier, Crater Lake, Custer State Park, and many other public campgrounds (during July and August) we had some difficulty with our 1999 27-foot Sunnybrook.. However, in the future we will be retired and will do most of our camping Sept–June so more sites should be available and that may lessen problems with length to some degree. But, we're concerned about going too long. All advice will be appreciated. “Retiring-Soon@hotmail.comâ€