Zambia the plateau in a curve north east to south west, extended west into the heart of the plateau by the deep valley of the Lunsemfwa River. Hills and mountains are found by the side of some sections of the valley, notably in its north-east the Nyika Plateau () on the Malawi border, which extend into Zambia as the Mafinga Hills, containing the country's highest point, Mafinga Central (). The Muchinga Mountains, the watershed between the Zambezi and Congo drainage basins, run parallel to the deep valley of the Luangwa River and form a sharp backdrop to its northern edge, although
Botswana–South Africa border the Limpopo River, and the border runs along the Limpopo to its confluence with the Shashe River, which is the tripoint with Zimbabwe. The western portion of the border from the Namibian tripoint to Ramatlabama was the border between British Bechuanaland to the south and the Bechuanaland Protectorate to the north. British Bechuanaland was constituted as a Crown Colony by proclamation in 1885, and incorporated the lands of the Tswana people situated to the south of the Molopo River, west of the South African Republic (the Transvaal) and not already part of the Cape Colony. The Tswana lands north of