At the published coordinates you will find a handy signpost.
A = The number of vowels pointing west (1 side of the sign only)
A short distance away you will find a cafe and some sports courts.
B = The number of clock faces on the cafe building.
C = The number of taps on the water fountain.
D = The number of benches around the water foundation.
E = D
F = D divided by E
Returning back past the signpost you will find nearby a wooden sculpture known locally as the owl tree.
G = The number of bear claws on the owl tree.
Just a short distance from here you will see the bandstand.
H = The number of uprights supporting the roof of the bandstand.
The cache can be found at :
N51 39.(G/B) (H+E) (D+F)
W000 24.(B+C) (B*A)
As a checksum, if you add all the numbers together you should have a total of 60.