Great Miami - a) Heritage Park (or Blue Rock Rd) to Obergiesing Soccer Complex (Formerly Dravo Park) (OH)
Swift flows through the rapids, bigger waves, and crispy eddy lines. Rec and novice boaters may have issues.
This is the take out. At levels around 1500 cfs and above, you can take the river left path. Below 1500 cfs, you'll have to paddle on river right around the gravel island. Paddle below the island and follow the maze of water, tree branches, and garbage to the take out ramp (or take out at the gravel island and have yourself a walk).