[2] The southern portion forms an undulating sandstone and basalt plateau.
This portion is covered in open forest of Bloodwood, wattle, eucalypts and spear grass.
[7] The Gilbert and Robertson Rivers also have there headwaters in the range but flow northward.
[6] The highest point is in the southern half of the range with an elevation of 1,043 metres (3,422 ft) and is found within the Blackbraes National Park.
[1] The first European to travel through the area was the explorer Augustus Charles Gregory in 1855 or 1856[1] as part of his expedition from Port Essington to Brisbane.