Slippery Rock is located in the Keyesville South Recreation Site along the Kern River near Lake Isabella, California. Two boulders with petroglyphs can be found at the site.
For turn-by-turn directions enter 35.63766, -118.48283 into your driving app. From CA-178 take Exit 43 and drive north on Wofford Heights Blvd., CA-155, for 0.6 miles and turn left into the Keyesville South Recreation Site. From there follow the road around to the right to the trailhead.
For photos and a good description for this site and about 70 others in the Owens Valley you can download Bill Petry's book Rock Art of the Owens Valley or, if you can find one, purchase a copy from eBay.
Included with this post is the GPS file and map that we plan to use for our first visit. If you don't want to wait for us to get around to it feel free to try the GPS file and map for yourself. With no guarantee, of course, but they most often prove valuable for us.
Download GPS planning file:
