The country is divided in three well-defined areas of roughly equal breadth and extend north and south and are known locally as the high, middle, and low or bushlands. The highland on the west rise to an altitude of above 6,000 ft, and has an average altitude of 3,500 ft. The middleland averages about 2,000 ft and the lowland or bushland to about 1,000 ft. The entire country is traversed by rivers or streams, making it one of the best watered areas in southern Africa