This wild waterfall is hidden in the Rock River Wilderness Area north of Chatham. Reaching it will require you to drive down some old logging roads and hike a mile or two along some ill defined trails, but if you are looking for a good waterfall adventure it is worth it.
Rock River Falls is in the Rock River Wilderness Area in the Hiawatha National Forest, which is just north of Chatham. This area is not well marked, but finding the falls is not too hard.
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