Big Meadows area - Park at Big Meadows Trailhead, walk across the bridge, turn right. Don't park in the camping area. 36.71742677491694, -118.83392384862951 Precipice Area - Park off the side of the road, and walk up the hill. Boulders are (mostly) at the top of the hill. 36.71826223404346, -118.83961397947972