Solve the puzzle to find the coordinates for the first stage. Then use the Certitude checker for further instruction.
N 5 1 2 686663 484645 282627 888681
W 0 0 2 2 999785 777568 555341 333538
This cache is part of a series of puzzle caches hidden in the same area, which I've called the Lansdown Puzzle Series. They make an "L" shape on the map. See bookmark for the complete list.
You can validate your puzzle solution and get information for the final location with certitude.