Bounded south, as stated, by the Zwaarteberg, further east by the Zuurberg (of the coast chain), its northern limit is the mountain range which, under various names, such as Nieuwveld and Sneeuwberg, forms the wall of the inner plateau.
The largest town in the western part of the Great Karroo, it lies, at an elevation of 2792 ft., at the foot of the southern slopes of the Nieuwveld mountains.
Going westward from the Drakensberg the rampart is known successively as the Stormberg, Zuurberg, Sneeuwberg and Nieuwveld mountains.
In the Nieuwveld are heights of over 6000 ft.
The Komsberg range, which joins the Nieuwveld on the east, sweeps from the south to the north-west and is followed by the Roggeveld mountains, which face the western seaboard.
The Gamka rises in the Nieuwveld not far from Beaufort West, traverses the Great Karroo from north to south, and forces a passage through the Zwarteberg.
This, the Groote river of Cape Colony, has its rise in the Nieuwveld near Nels Poort, being known in its upper course as the Salt river.
Those who chose the latter alternative had to encounter the hostility of their old foes, the Bushmen, who were widely spread over the plains from the Nieuwveld and Sneeuwberg mountains to the Orange river.