The car can be parked here Aparcamiento escalada "El Rut" 38.1210415, -0.9151154
From there you can see the whole wall. The ascent takes 15 to 20 minutes.
From the parking lot, follow the path uphill. Pass a gate. When the road bends to the right, climb the steps onto the wall and follow the path PR-CV Pico del Chinar. The path is marked with white and yellow signs.