Is a 300m long negotiable slot varying in width from half a metre to five metres and cutting through 140m of vertical cliff line. Access is via the barrier at the eastern end of Waratah Ridge Road. Recorded in Jamieson, Rick. Canyons Near Sydney, 4th edition, 2001, p. 55. A pagoda at the northern end defining the entry/ exit to this slot is at GR 510 012.