The given coordinates are bogus. To solve the correct coordinates you must to solve the
given Sudoku first.
If you are not familiar with Sudokus, you can find a lot of information about them from internet.
The final coordinates are
N 60° 12.H1C3I4 E 024° 40.G6I8E8 and to find the cache, add 10’ to N and 30’ to E
No need to go on dangerous areas!!!