Big Rib - Rib Dells: Hwy.64 to Greiner Rd (2.5 miles) (WI)
Probably too low. (Likely under 130 cfs.)
After a sharp bend, you'll see rocky outcroppings of the dells, and the gradient (and action) will peak.
This video shows a run of the dells at a reported 1240 cfs: https://youtu.be/osG6xtDpomk