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 River Authority Zambezi River Authority also plays a role in managing the use of water from Lake Kariba for irrigation and for domestic, industrial and institutional use. There has been tension between the countries that border the river. In the early 1990s, Zimbabwe proposed to build a pipeline to carry water south to supply the city of Bulawayo. Botswana also proposed to carry water south to Gaborone through an extension to the North-South Carrier (NSC). Some of the NSC water could be shared with South Africa. These projects raised concern with downstream countries threatened by loss of water. The question of claims