The two easier routes here, Finding Nemo and Finding Dory give you access to the upper area where you will find a few more routes in the Upper Oz Area. The wall faces south and gets sun for the mid part of the day, but the sun is mostly blocked in the winter.
Approach: Park a couple hundred yards west of tunnel 5, on the north or south side of the road. From here, hike back towards tunnel 5, over the bridge, and enter the creekside trail on the north side of the road. Walk the trail upstream/west as if you are walking towards Playin’ Hooky and Creekside. Find this slab to the right of Carbage Pinnacle behind a telephone pole.