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How does Lake Tanganyika drain into the Congo River system?
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East African lakes
Mountains and lakes of East Africa.
Lake Tanganyika drains into the Congo River system exclusively through the Lukuga River.12
The Lukuga River serves as the lake's only outlet, issuing from its western shore at the town of Kalemie in the Democratic Republic of the Congo. The river flows westward for approximately 200 miles (320 km) before discharging into the Lualaba River, which is a major headstream of the Congo River.12