The cache is not located at coordinates listed. Just solve the puzzle to find the bench with a view. How hard can it be? It's simply a dot-to-dot puzzle that the boys have already started for you...

Congrats to TheScottFamilyFive on the FTF!
[puzzle]engure guna gelvat gb qrpbqr vg zvtug or rnfvre gb rapbqr yvxryl cbffvovyvgvrf
[final]Arne qbg fvk