How many (group size) pavilions are in the park? where are they located? how much are they to reserve/rent? Thank you! (PS. I'm only familiar with one in Deep Ford Campgrounds. )

Give them a call. There are some at the main lake, and one at the horse camp that I'm familiar with

The park has pavilions and can accomodate large groups. They also have bunk houses I believe.

Not sure but staff is very friendly so I suggest a call.

I'm not sure but you can Google the number to the park and someone could help you.