Its overall length of 4,700 km (2,922 miles) makes it the second longest in Africa (after the Nile).The river and its tributaries flow through the second largest rain forest area in the world, second only to the Amazon Rainforest in South America.. Congo River, formerly Zaire River, river in west-central Africa. The Congo River, formerly known as the Zaire River under the Mobutu regime, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge volume, following only the Amazon.It is also the world's deepest recorded river, with measured depths in excess of 220 m (720 ft). It is the headstream of the Congo River, and its 1,100-mi (1,800-km) course lies entirely within the Democratic Republic of the Congo. The river was initially known as Zaire during the 16th and 17th century. Lualaba definition, a river in the SE Democratic Republic of the Congo: a headstream of the Congo (Zaire) River. Interpretation  Lualaba River. The hydrographic network is dominated by the Lualaba, local name of the Congo River that extends in an arc over more than 15 km around Kolwezi. 400 miles (645 km) long.

Congo River. Altitude: The highest source in Zaire is that of the Lualaba: 1 535 m asl. The Lualaba River changes its name to Congo/Zaire at Kisangani, 2 000 km from the mouth. Lake Upemba, 8°36'S 26°20'E, altitude 585 m. The largest lake in the series. References are made with Zaire or Zahir being the earlier name known by the natives. Lualaba River. The Congo River (also known as Zaire River) is the largest river in Africa. Are oriented mainly south and north. It is navigable from the mouth to Matadi, and from Kinshasa to Kisangani. It is navigable from the mouth to Matadi, and from Kinshasa to Kisangani. Altitude: The highest source in Zaire is that of the Lualaba: 1 535 m asl. The other rivers ( Kalemba or ” Poto Poto “, the left tributary of Luilu, Musonoïe, Kabulungu stream, right tributary of Luilu, Kakifuluwé, kolwezi, Dilala.) In the 18th century, Zaire gradually faded off and was replaced with the name Congo, before Congo eventually became a preferred English name in the 19th century literature. The Lualaba River changes its name to Congo/Zaire at Kisangani, 2 000 km from the mouth. See more. Fishes collected by the Zaire River Expedition, 1974-75 KEITH E. BANISTER ... River Lualaba near Lake Mulenda, 8°45'S 26°01'E, altitude 600 m. 18. The Congo River, formerly known as the Zaire River during the dictatorship of Mobutu Sese Seko, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge volume, following only the Amazon. Lake Mulenda, 8°47'S 26°07'E, altitude 600 m.The collections were made between floating papyrus islands.