None of the caches contain pens, please bring your own writing implement.
There is also a bonus cache whose location is contained in clues on logbooks around the circuit. Be sure to note the clues as you find them.
Go to the given co-ordinates and look for a street name sign,
A = Number of letters in first word
B = Number of letters in second word
C = Total number of vowels
D = Total number of 'L's
The cache can be found at
N51 18.D(B-4)D W000 02.(A-3)(C+1)(D-2)
You're looking for a large, camouflaged clip-top tub