I've seen this type of puzzle in Alberta, but not in Ontario. Should be an easy enough puzzle and the find is only a few feet off of the trail so it should also be fairly easy. Good Luck and Happy Caching :)
N BM° BU.CCC
W KJC° UM.UEC
Please remember to hide the cache even better than you found it
To be clear, you do not need any additional information (or Brute Force) The puzzle does have a solution that can be determined on this page :)