Cloudmaker and Guouogang are eroded remnants of Ordovician quartzite. Kurrajong trees are found in abundance where limestone outcrops occur, and in sheltered gullies rainforest species including red cedar and blue gum are found. The walk is up to 10km return, so 5km each way, you quickly lose any signs and it becomes more of a wander for as long as you want type affair. View fullsize The track starts at Scenic World and is well marked. The Grand Canyon Loop The Grand Canyon Loop is a beautiful walk that quickly goes from rivers and rainforest, to dry, deep canyons within just over 5km. Starting the trail: to Kanangra Walls Lookout The first part of the walk takes you along a flat dirt trail to the Kanangra Walls Lookout. On a good day, you’ll see the blue haze coming off the gum trees which give this area its name.Part of Greater Blue Mountains Area World Heritage Property, Kanangra-Boyd National Park is just km from Sydney. Enjoy superb scenery, abundant wildlife, cycling and walking. Take a short stroll out to a lookout point and then down to a gorgeous waterfall near Kanangra in New South Wales. It’s a breathtaking area, but bear in mind that the tracks . Kanangra Boyd National Park is a national park some km west of Sydney and adjacent (south and east) to Jenolan Caves. Expansive mountain gorges, magnificent lookouts .