The cache is not hidden at the posted coords, of course.
Nor will you have to visit any of the locations listed here, but if you are able to strike a happy medium, they can lead you to the final hiding place.
N 38 33.604 W 121 29.451
N 38 23.851 W 121 23.758
N 70 13.764 W 146 32.454
N 29 31.272 E 026 19.376
N 35 25.620 W 119 53.653
Note—even if you find an open (or unlocked) gate, stay on the path. You won't need to stray from it to find the cache.
You can validate your puzzle solution with certitude.
Congratulations to kcm.ca.cher for F.T.S
Congratulations to than.man.2 for F.T.F