This is a bonus cache for the Adventure Lab - Market Town of Ulverston. https://adventurelab.page.link/4EfN
The cache is not at the listed coordinates. The coordinates are available once you have completed the Adventure Lab.
At each stage of the Adventure Lab make a note of the numbers needed, the hint will also be given at the last of the stages. These will also be stored in the Adventure Lab journal.
The cache can be found at N 54°A.B W003°C.D
The final hide is short walk away, it is a popular area so please be mindful of mugglers.