Ever walked past somewhere that looked alright for a cache, and then placed it, well, just because? I don't think I have before, but there's a first time for everything. This cache is just because.
The posted co-ordinates are for an information board, from which you need to gather some numbers. You will also need to visit the nearby Needingworth Lakes cache, in able to identify which numbers you need.
At the information board, identify how many miles in the more challenging walk - this number is A. Identify how many miles in the long walk - this number is B.
Within the Needingworth Lakes cache, identify how many letters are in the CC - this number is C. Identify how many letters are used more than once in the CC - this number is D.
The cache can be found at N52° 19.(A+D)(B)(C-B-D) / W000° 00.(A)(C+D)(B-D)