This land unit consists of the colluvial slopes derived from the steep mountains of the Grampians. Fluvial processes may have formed some of the lower slopes and plains. The soils are variable, although they are commonly Bleached-Mottled Yellow Chromosols.
Plates 34 & 35 North-westerly dipping Grampians Group sediments forming well defined parallel strike
ridges (Plate 34) and colluvial slopes of the Victoria Valley (Plate 35).