Tahquamenon Falls

http://www.shorelinevisitorsguide.com/select-michigan-state-park-maps-and-guides/tahquamenon-falls-state-park/

The lower falls has an excellent .75 mile boardwalk to the viewing platforms and a little island you can walk around to take in the sights.  I believe they are still working on the upper falls viewing platform so that’s a 100-step staircase down/up to view them.