Start on the left, moving between several horizontal flared breaks past a short vertical crack low down, then switch to the steeper right-hand side to finish. Crux is at the top - typically rounded gritstone insecurity!
At the right-hand end of Marble Wall the cliff turns a corner into a south-facing secttion with several short, steep cracks. This route takes the rounded arete, starting on the left-hand side.
Mainly cams, including some big ones. Double ropes useful to avoid rope drag.