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/solve.php?id=94qm46wc
September 28, 2022: Please note new coords.
If you have already solved the puzzle before September 28, subtract .005 from the north and .002 from the west.
Any solvers after September 28:.....new coords are provided in the puzzle.