Hello Marcia, there is a dedicated ADA area. It's located on the right hand side as you approach the loop camping. It's approximately 100 yards to the Arch where you enter the main field. There is also a shuttle system for ADA. Call the park, they will be glad to help you.
Yes
Yes there is
Yes, the park is handicap accessible with ramps to event hall and dining, and bar, bathrooms, and shopping.
Definitely can request a site closest to either. Being close to both may be difficult
Thanks! Your answer is awaiting moderation.