Slick Rock Road is located in the beautiful area below Lake Alpine. How to get there. Take HWY 4 to Lake Alpine enter the lower campground at W. Lake Alpine rd. stay to your right and follow a gravel road, both sides will be posted private property. You will go about ¾ of mile and you will come the sign for the start of Slick Rock Road.
Here are some pictures of the Slick Rock Area:
Check out these pages on Slick Rock:
Stanislaus National Forest
California
Jeepers Review
Outdoor
Wire on Slick Rock
Here are some maps for you: