Trends east west for about 26km, having Mount Norris on its western end, GR 499 069, and the Wollangambe River on the eastern end, GR 670 043. The spine of this ridge marks the boundary between two national parks, Blue Mountains National Park on the south and the Wollemi National Park on the north.

• Rock Hill

• 499 069 to 670 043

• Gardens of Stone - Book 3
• Gardens of Stone - Book 4
• Gardens of Stone - Book 5
• Gardens of Stone - Book 7

• GOS3.03: Donkey Mountain 3
• GOS3.06: Mt Cameron via Railmotor Ridge, Rock Hill and Nayook Creek
• GOS4.19: Nayook Creek plus a bit more
• GOS4.22: Thorpes Folly via the Hair of the Dog Ravine
• GOS4.24: Minyaba Canyon and Bula Nadgyung
• GOS4.25: Deep Pass to Natural Bridge
• GOS4.26: Nayook Creek east of Natural Bridge
• GOS4.29: Mount Norris and Railmotor Ridge
• GOS4.36: Northern cliffs of Dingo Creek