Cachers love puzzles and sudoku is a particular favorite...but have you tried kakuro? It's like a crossword and sudoku all in one. Use the digits 1-9 so the sum of each group of white boxes equals the value in the associated black box...with no repeated digits. See the related webpage for additional info.
This puzzle is about a medium. When you have the numbers, plug them in and go find that cache!
Final location: N 32° 4A.BCD W 114° 3E.0FG