At the start of the 20th century King
Leopold II of Belgium asked Baron
Édouard Empain to undertake a railway project in the east of the Congo Free State. Empain founded the
Compagnie des Chemins de Fer du Congo Supérieur aux Grands Lacs Africains (CFL) in 1902 with capital of 25 million francs. It was to build two railways, one connecting the Congo River at Stanleyville to
Lake Albert, and the other connecting the Congo River at
Nyangwe to
Lake Tanganyika. The program was soon changed as the value of the mineral deposits in the
Katanga Province became clear, and the main purpose became linking Katanga to Stanleyville by building railways to bypass the sections of the
Lualaba River (Upper Congo) that were not navigable. On 4 January 1902 the Congo Free States granted the CFL a concession for four lines: • From
Stanleyville to Mahagi-Port on Lake Albert, from where the
Nile leaves the lake, a distance of . The route would cross the Upper
Aruwimi region, rich in rubber vines and oil palms. • From Stanleyville to Ponthierville (
Ubundu), a distance of , linking the navigable section of the Congo River between
Pool Malebo and Stanleyville with the navigable section of the
Lualaba River from Pontierville south to Nsendoué (
Kindu). • From the Congo River at
Kabalo to
Kibanga on Lake Tanganyika, about . • From Nsendoué to Bouli (
Kongolo), bypassing the obstacle known as the ''Portes d'Enfer'' (Gates of Hell), to reach the navigable stretch of the river that extended to the heart of Katanga. The railway line from Stanleyville to Ponthierville was begun in 1903 and inaugurated on 1 September 1906. The track mainly ran through dense tropical forest, and clearing stumps was a major effort. The Kindu-Kongolo section was built between 1906 and 1910, and was inaugurated on 1 January 1911. It included 18 bridges over rivers. In May 1911 the steamship
Baron Janssens reached
Bukama in the center of Katanga. The section from
Kabalo to AIbertville (
Kalemie) ran along the rocky
Lukuga River valley, and was started in April 1911. Progress was slow, and an outbreak of
beriberi at the start of 1914 caused further delays. Construction was completed in 1915, and a navigation service was established on Lake Tanganyika. Temporary wooden bridges had been replaced by permanent bridges by 1921. In return for building its network the CFL received land and mining rights. The CFL subsidiary
Compagnie Minière des Grands-Lacs (MGL) was created in 1923 to exploit the mining rights. By the 1950s the M.G.L. concessions covered more than . In December 1925 General
Frederik-Valdemar Olsen took office as general manager of
Unatra, which had been formed by a merger of
Sonatra (Sociéte National des Transports Fluviaux au Congo) and
Citas (Compagnie de transports). He undertook various reforms to stop corruption, ensure schedules were met and improve financial management. The CFL was impressed by Olsen's achievements and made him their general manager in Africa, in charge of transport on the
Lualaba River. The
Empain Group was greatly involved in the
Comité National du Kivu, which included the CFL, the colonial government and others. It was created in 1928 by Colonial Minister
Henri Jaspar to encourage settlement of the region, and undertook creation of roads, railways, ports, public buildings, schools and hospitals, as well as studying the geology of the region and its agricultural and forestry potential. In July 1937 the CFL began a line from Kongolo to Kabalo, which was inaugurated on 31 December 1939. There was now a continuous railway line from the river port of Kindu to Albertville on Lake Tanganyika. By 1950 the CFL was operating of railway, of navigation on the Lualaba and of navigation on Lake Tanganyika. Between 1952 and 1956 the CFL built a line from Kabalo to
Kabongo. A line from Kabongo to
Kamina was built by the
Chemins de Fer du Bas-Congo au Katanga (BCK) for the
Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville (KDL). In September 1955 the CFL
converted from to gauge to match the KDL gauge. In 1960, during independence, CFL became the
Société Congolaise des Chemins de Fer des Grands Lacs. In 1967, CFL became the
Office Congolais des Chemins de Fer des Grands Lacs. ==Lines==