Nyanza Lac
Nyanza Lac is a city in southern Burundi, in Makamba Province. The city is located on the shores of Lake Tanganyika, to the south of Mutambara and close to the border with Tanzania.
The Rwaba River flows southwest to enter Lake Tanganyika just north of Nyanza Lac.
The river drains the sedimentary plain of Nyanza-Lac, which is about wide and backed by high ground.