The best place to park is at the end of the drive west from the posted coordinates near the cache called RDC4106 Creation.
DirtBikeLydia helped me removed a couple caches back on the mountain bike trails and carried this container so we could hide another. We walked on a path ...... across a couple wet slippery bridges. I slipped off one bridge and luckily I was not over the water. We walked all the way to an old railroad bed. Interesting to find out here. I am sure the SWS guy could give up more info. To find the cache solve the puzzle.
Solve for y and enter the answer(number only) into Certitude. L1 and L2 are parallel.

You can validate your puzzle solution with
certitude.