you don't need to be there on the 4th, very few people (mostly staffers) will be there since it doesn't start until the 5th in the afternoon. book the nights of Nov 5, 6, 7 and you'll be fine. check out on Monday is 11:30am.
you can read more about check in/out here:
http://www.ymcaoftheozarks.org/troutlodge/policies