Bull Shoals State Park is extremely popular. You would almost have to plan a rally there a full year in advance and make reservations as soon as they open. I'd recommend looking at one of RV parks in the area if you are serious about the White River.
I would be interested in a flyfishing rally. The White River or vicinity of Rocky Mountain National Park would be top choices. Many small stream choices in and around RMNP.
I am In If this happens, keep me posted. I have a Colorado bias, but there are great places everywhere. Wyoming, greys reef is a great destination along north platte river, monster trout there!
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