OK, it's tough enough finding the lower runs on the branches of the Huron at runnable flows. However, in the odd event that there is high water, you may wish to try for the upper reach, which contains Leatherby Falls.
A fine photo essay can be found at:
Waterfalls of the Keweenaw. Click on the smaller photos to pull up a viewer to click-through the various photos enlarged, and then make certain to hit the links midway down the page in the right column to also see Upper and Lower Leatherby Falls.