Cache is NOT at the above coordinates!
Mile Markers. Oso Creek Trail is full, and I mean FULL of them. There are twelve in total, which can be seen when you navigate on your phone. To find the real coordinates of this cache. You will have to complete several tasks.
1. Visit all 12 mile markers.
2. Notice how the markers have values that are incriments of 1/4. Count how many fourths are indicated and take note of it.
3. If you find any markers that have no number on them, the value will be 4
4. Once you have plugged them in, put the solved coordinates into certitude, and it will tell you what to do with the final cache.
The cache is located at N33 AB.CDE W117 FG.HIJ
A=4+10
B=1
C=6
D=5
E=1+4
F=11
G=3+7
H=4+9+12+11
I=12+8
J=5+2
You can validate your puzzle solution with certitude.