You asked:

what countries border lake tanganyika

  • The UN-recognised countries bordering Lake Tanganyika are the Democratic Republic of the Congo, Tanzania, Zambia and Burundi.
  • the Democratic Republic of the Congo
    the Democratic Republic of the Congo
    the Democratic Republic of the Congo

  • Tanzania
    Tanzania
    Tanzania

  • Zambia
    Zambia
  • Burundi
    Burundi
    Burundi