I believe there are so many confusing laws in California, that even LEO's don't know what is what now.
I think if you could drive on it, it "might" be considered a road and illegal, to LOC.
As far as walking on a true "path" a walking trail on BLM or National Forest, you "should" be O.K.
But in some cases that to can be tricky.
I think the only thing that might help if you run into LE, would be telling them your
"Going to or from a shooting area".
Which you are !
Good luck ! Robin47