Zambezi two largest left-hand tributaries of the Zambezi. The Kafue joins the main river in a quiet deep stream about wide. From this point the northward bend of the Zambezi is checked and the stream continues due east. At the confluence of the Luangwa (15°37' S) it enters Mozambique. The middle Zambezi ends where the river enters Lake Cahora Bassa (also spelled Cabora Bassa). Formerly the site of dangerous rapids known as Kebrabassa, the lake was created in 1974 by the construction of the Cahora Bassa Dam. The lower Zambezi's 650 km from Cahora Bassa to the Indian Ocean is navigable,
Zambezi 1,378,000 km, 3424 m/s, measured at Marromeu Total Zambezi river basin: 1,390,000 km, 3424 m/s discharged into delta "Source: Beilfuss & Dos Santos (2001)" The Okavango Basin is not included in the figures because it only occasionally overflows to any extent into the Zambezi. Due to the rainfall distribution, northern tributaries contribute much more water than southern ones, for example: the Northern Highlands catchment of the upper Zambezi contributes 25%, Kafue 8%, Luangwa and Shire Rivers 16% each, total 65% of Zambezi discharge. The large Cuando basin in the south-west on the other hand contributes only about 2 m/s because