No series would be complete without bonus caches, so here is one.
Entrance to Road 60 parking lot is N42 39.429 W080 32.300
Entrance to the south parking lot is at #502 Concession 3, N42 37.735 W080 32.265
See GCA048Z for exact launch & exit points.
Solve this puzzle to find the cache:
https://www.jigidi.com/created.php?id=uf1eo8jx