The range is located in an area of ephemeral watercourses and stony sandstone ridges lightly vegetated with Eucalyptus miniata, acacia and spinifex on the ridge tops. Further down the ridges areas of paperbark are found.[6] The range extends approximately 400 kilometres (250mi) in an east–west direction.[2] The southern portion forms an undulating sandstone and basalt plateau. The sandstone is of the Jurassic age (180-160 million years) while the basalt and granite dates from the Mesoproterozoic age (1.6 - 1.0 billion years). This portion is covered in open forest of Bloodwood, wattle, eucalypts and spear grass. The Stawall River flows south from the range and is a tributary of the Flinders River.[1]