To find this cache, you will first need to obtain the
coordinates by solving the puzzle below. You might come up with the
solution pretty quickly, or it might take a while, but either way,
there will be no hints. When you've got it solved, take a
pen/pencil with you.
[Puzzle - None. Seriously, it's difficulty 5. No hint.]
[Cache] - Jvguva guvegl pzf bs gjb. Nobhg rvtug zrgerf yrsg bs gerr. Haqre n fznyy "bqq bar bhg".