Thanks for the answers. I called Ware Shoals town hall and they said it's first-come first-serve but you can also make a reservation for $25. If you reserve it, they'll post signs in the morning so other people know the shelter is not available.
I do believe you can reserve the pavilion for small parties.
As far as I know it is first come first serve but the town of Ware Shoals would be able to answer better
Its a first come first serve thing
The one time I was there, I know one of the shelters had been reserved. It had paperwork attached to the shelter. I know that's not much help. But that's all I know.
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