Start at the sign by the side of the road. The number of words in the middle paragraph (include VI as word) is A. The number of stars is BC. This gives
N52°40.ACB
The number of words in the final paragraph whose digits are added together is D. Finally, the number of words in the first paragraph is E. This gives
W001°49.0DE
The cache is a 1.6 litre square lunch box with a white lid. It isn't very large so bring small swaps.
Please be discrete if there are muggles about...
Haqre pbapergr oevpxf ol gur gehax bs n gerr nobhg 5 cnprf abegu bs gur fgehpgher.