The Black Nile is a major tributary of the Nile River, flowing through several countries in northeastern Africa. It originates from the Great Lakes region, primarily from Lake Victoria, and travels northward through countries like Uganda, South Sudan, and Sudan before merging with the White Nile in Khartoum. This confluence is significant as it forms the main Nile River, which is vital for agriculture and water supply in the region. The Black Nile is known for its rich biodiversity and supports various ecosystems along its banks. It plays a crucial role in the livelihoods of local communities, providing water for drinking, irrigation, and fishing. The river's flow is influenced by seasonal rains, which can lead to flooding or drought, impacting the surrounding areas and their agricultural practices.