I would not try it. We have a hard time with a 33 ft 5ther

https://web1.myvscloud.com/wbwsc/fljacksonwt.wsc/splash.html Create an account and see if you can book one. They take up to 45'

Yes! It is all clearly laid out on the reservation page, all color coded. It is a big, busy, really unique place so just pick a site/loop that fits.

Some sites, yes. We were there with our 42’ bunkhouse and 44’ toy hauler. Navigating the campground is tight but doable.