Zambezi Watercourse Commission Mozambique and flowing to the Indian Ocean. The Zambezi basin also includes parts of Malawi and Tanzania. The Zambezi is the fourth largest river in Africa after the Nile, Congo and Niger. The eight Zambezi Basin riparian states that participate in ZAMCOM are Angola, Botswana, Malawi, Mozambique, Namibia, Tanzania, Zambia and Zimbabwe. ZAMCOM operations are in line with the revised SADC Protocol on Shared Watercourses. The SADC Protocol was adopted in 1995 and by SADC member states, including all Zambezi riparian states, and came into force in 1998. Seven of the riparian states signed the ZAMCOM Agreement on 13 July
Castlereagh River travel the distance, and up to 47 hours. Usually in peak floods, the greater the water volume, the faster the travel times of the peak. However, the flattening of the terrain upstream of Coonamble results in decreased flow velocity (but means a greater area for the flow is needed to avoid flooding). It is not correct that the Castlereagh River is an underground river (subterranean river) or an 'upside down' river. However, water that once was in the river bed on the surface does flow through the extensive sands under the riverbed. This water is therefore part of the underground