You mentioned the river level changing rapidly, which made me think of a recent addition to Gaia's available map layers. If you have a cell connection, the USGS Streamflows layer gives real time data, which could be helpful in some situations. My guess is that the layer will auto-update that data if the map has been downloaded for offline use, and a cell connection becomes available.
We only really tried at two of our campsites, Gray Bluff and Spring Creek. We did not do so hot. I blame it on the river being up so high. (Others might blame it on my poor fishing skills. They would probably be correct.) But the fishing can be good if you know what you're doing.
Anyway, we only caught four or five fish. Nothing worthwhile.
And we did run into a ranger who asked to see our fishing licenses.
The wife and I have made a couple trips to the Eureka Springs area in the last couple of years. I thought I'd share a few photos from this Fall in the thread. Eureka Springs is near the White River. I figured since the Buffalo flows into the White, it's all related.
We stayed in a room overlooking a bend in the river.