It's not that far a walk from the trailer parking to the hotel, but when you go to check in, you can park in those lots just west of the show area on the map. And, really, if there aren't any trailers in the drivethrough, you could just pull in there. We just don't want a trailer logjam in there.
Oh, and so you know, the area just below the show area is Ava Amphitheater and there will be restrooms available there.