This cache is NOT at the posted co-ordinates.
To obtain the final location, you will need to complete the A Day Well Spent In Wells adventure labs. There are five locations on the adventure and after successfully answering a question at each stage, you will be provided with a number in the journal entry. Once you have gathered all five numbers, enter them into the formula below to gain the co-ordinates for this bonus cache.
We hope you enjoyed the labs and the stroll around Wells-next-the-Sea!