From the parking lot you hike East on the trail that parallels the RR Tracks for about a mile +/-. After you cross a couple of drainage gullies (one is starting to get deep) starting watching for a trail that heads up hill. Follow that and it should lead you to the start of the Zone.
There was chalk on one jug, but that was it - oh and fresh dog crap. Not a lot of hard problems, but not the best places for beginners either because the landings are narrow and fall off quickly down the hillside.
This is prow is a V2 called Magma Man:
