am i able to put a bouncy house there for a birthday party?

Yes you can but call park services and find out where they will let you put it .

Way in the back there is a nice. Area for that

Yes

Yes. But you have to reserve a specific site.

I don't think so but i have seen thwm there in the big field

Yes you need to call the park first

I believe u can. Just call the park. They will get back to u