There are 6 stages (Waypoints) with clues to fill out the last 3 digits of each coordinate of the cache. The clue for the stage will be visible on a sign or some other object and should not be too difficult to locate. The cache is located at N 34° 57.ABC' | W 120° 24.DEF'.
You can check your answers for the coordinates at http://www.geochecker.com/
Stage_A - N 34° 57.088' | W 120° 24.711'
Clue: 22A
Stage_B - N 34° 57.114' | W 120° 24.766'
Clue: 1787 - 18B8
Stage_C - N 34° 57.132' | W 120° 24.905'
Clue: $C50
Stage_D - N 34° 57.060' | W 120° 24.859'
Clue: TITLE D
Stage_E - N 34° 57.014' | W 120° 24.818'
Clue: E400 E. Church
Stage_F - N 34° 57.009' | W 120° 24.738'
Clue: DFB 8F0
I have initially set the difficulty level to a 2 (please note in the online cache log what level you think it is). If you have problems email me for a more hints.
Good luck and have fun!