If we ride bicycles up there, can we get in to watch the movies? We would have a pretty long ride so need to know, thank you!

I don't see why they wouldn't let you. You're allowed to watch outside of your car. Might want to call and make sure.

I think it's motor vehicle's only

Never seen anyone come on a bicycles at all even back when I was a pre teen best advice call . However you have remember that as a business they might have that type of insurance coverage. Michigan have strict laws that protects businesses from BOLD lawsuits.