Yes, you will be able to find room there. Be sure to also check the very back area as well.

Most locations are spacious enough. Best bet is to get to the CG early enough in the day to find one that will accommodate your need.

Yes, your rig will fit. The sites aren't exactly marked. You may wish to settle in at the beginning of the park, due to some pot holes. We enjoyed the location, the privacy, the nearness to the river, oh and the price was perfect. Happy Travels.