The water is fairly calm in the river and in the pond that forms the headwater for the fall, so as others have suggested, it probably wouldn't be great for either activity. As to whether it's allowed within the confines of the park, you'd probably have to call the office and inquire directly.
They have one paddle boat. No kayak
They have paddle boats, no kayaks though. Honestly it wouldn't really be good for that.
Probably not wave run but you could probably kayak. They have a paddle boat also
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