I was thinking of stopping off in the Ozarks on my way westward this summer. Spent a week out there a few years ago along the Mulberry, Buffalo, and White Rivers. Not much fishing in the Mulberry but there was a Byrd's RV Park where they had an overlanding jamboree. It's right on the edge of the National Forest with lots of FS roads. If you're down this way stop here for some good food: