Luangwa River ago, there was no way out and the Luangwa Rift filled with a Rift Valley Lake called the Madumabisa Lake, which rivalled Lake Malawi in size. The water of the lake overflowed in a river to the south-west, towards what is now the Kalahari, where it combined with the Okavango, Upper Zambezi, Cuando and Kafue rivers, emptying into the Limpopo River and flowing to the Indian Ocean. Several geological events combined to produce the current river systems. Faulting produced another graben just to the south of the Luangwa Rift, and running east-west: the Zambezi Rift Valley and the Chicoa Trough.
Zambezi Region Zambezi Region The Zambezi Region, until 2013 known as the Caprivi Region, is one of the 14 regions of Namibia, located in the extreme north-east of the country. It is largely concurrent with the Caprivi Strip and takes its name from the Zambezi River that runs along its border. Katima Mulilo is its capital and the largest city, the Governor is Lawrence Sampofu. The region comprises eight electoral constituencies: In the 2015 regional elections Swapo won in all eight constituencies. The Caprivi Strip in which the Zambezi Region is situated is a tropical area, with high temperatures and much rainfall