Most of the paths are paved but there is hard packed dirt and some rocks. I've seen many people in wheelchairs. You should all have a great time.
She will be able to see most of the shows though as they are off the paths and most have aisles.
The grounds are mainly flat packed dirt. Some areas are pavement. There are some rocks here and there but small ones. Nothing large. It does have some slight elevation change. There may be some sections of the Faire that are congested with people abd the where yhe areas narrow. The fairy area requires you to go up and down a hill. Some areas are grassy. It is accessible but it may be tiring/challenging at times.
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