Lake Bangweulu

Lake Bangweulu

Infobox lake
lake_name = Lake Bangweulu
image_lake = Bangweulu Swamps.jpg
caption_lake = The Bangweulu Swamps in the dry season
image_bathymetry =
caption_bathymetry =
location = Luapula Province and Northern Province
coords = coord|11|05|S|29|45|E|region:ZM_type:waterbody|display=inline,title
type =
inflow =Chambeshi
outflow = Luapula River
catchment =
basin_countries = Zambia
length =
width =
area = 15,100 km²
depth =
max-depth =
volume = 5,000 mio m³
residence_time =
shore =
elevation = 1140 m
islands =
cities =

Bangweulu — 'where the water sky meets the sky' — is one of the world's great wetland systems, comprising "Lake Bangweulu", the "Bangweulu Swamps" and the "Bangweulu Flats" or floodplain.Camerapix: "Spectrum Guide to Zambia." Camerapix International Publishing, Nairobi, 1996.] Situated in the upper Congo River basin in Zambia, the Bangweulu system covers an almost completely flat area roughly the size of Connecticut or East Anglia, at an elevation of 1,140 m straddling Zambia's Luapula Province and Northern Province. It is crucial to the economy and biodiversity of northern Zambia, and to the birdlife of a much larger region, and faces environmental stress and conservation issues.Halls, A.J. (ed.), 1997. "Wetlands, Biodiversity and the Ramsar Convention: The Role of the Convention on Wetlands in the Conservation and Wise Use of Biodiversity". Ramsar Convention Bureau, Gland, Switzerland]

With a long axis of 75 km and a width of up to 40 km, Lake Bangweulu's permanent open water surface is about 3,000 km², which expands when its swamps and floodplains are in flood at the end of the rainy season in May. The combined area of the lake and wetlands reaches 15,000 km². The lake has an average depth of only 4 m.Google Earth ( accessed 31 January 2007.] [ ILEC Data Summary: Lake Bangweulu.] Website accessed 30 January 2007]

The Bangweulu system is fed by about seventeen rivers of which the Chambeshi (the source of the Congo River) is the largest, and is drained by the Luapula River.

ections of Lake Bangweulu

:"Numbers in round brackets like so — (12) — refer to locations on the satellite image".A notable feature of the Bangweulu system is a series or parallel sandy ridges running south-west to north-east. These are particularly striking in satellite photographs and are easily seen along the north-western shore, the Lifunge Peninsula "(2)", Mbalala Island "(3)", Chilubi Island "(6)", and the Kapata Peninsula "(10)". They divide the lake into three sections parallel to its main axis. One divides off a section called Lake Chifunabuli "(1)", 50 km long but only 5 km wide. Its entrance through a gap in the sand spits (at the end of Lifunge Peninsula) is only 250 m wide. Another sandy ridge, Mbabala Island, divides off a section called Lake Walilupe "(4)", 30 km long by 13 km wide. The main, middle section of the lake between Lifunge and Mbalala is known only as Bangweulu. [ website: Directorate of Colonial Surveys: "Map of Bangweulu Swamps" (1952).] Accessed 24 April 2007.]

There are numerous bays, inlets, smaller lakes and lagoons around Lake Bangweulu, connected by open water, narrow channels or swamps. The largest is Lake Kampolombo "(9)", 30 km by 5 km, south of Lake Walilupe and connected to it by a 7 km channel. The 32 km long Kapata Peninsula lies between Lake Kampolombo and the swamps; at its tip on the eastern side is the 15 km long Lake Kangwena "(11)".

Only the western side of the lake and some of the islands have a well defined shore, with sandy beaches in places especially around Samfya, though even there, some of the bays and inlets are swampy.Google Earth ( accessed 31 January 2007.] Terracarta/International Travel Maps, Vancouver Canada: "Zambia, 2nd edition", 2000]

The Bangweulu Swamps

The Bangweulu Swamps, larger than the lake, extend from the north-west clockwise around to the south. The main part covers an area of roughly 120 km by 75 km and they are normally not less than 9,000 km².Google Earth ( accessed 31 January 2007.]

The swamps act as a check on annual flooding downstream in the Luapula by releasing water slowly through many lagoons and channels. They help prevent the Luapula valley being flooded excessively in the rainy season.

Rivers and channels through the swamps

The Bangweulu swamps are fed mainly from the north-east by the Chambeshi River, and drain to the south into the Luapula River. The lake is connected to these rivers, and them to each other, by a complex mass of channels through the swamps which may become choked by vegetation and change their course; there is no easy navigation between them. Floating beds of papyrus may close up the channels to a width allowing only dugout canoes to pass. Motorised vessels are hampered by their width as well as by vegetation clogging propellers. Since colonial times attempts have been made to improve navigation and alter drainage patterns by cutting channels through the swamp. In 1942, attempts were made, with limited success, to cut an outlet from Lake Walilupe to the Luapula's exit from the swamps, to allow motor boats to transport cassava and other produce from the northern area of the lake to Kapalala Ferry on the Luapula and from there to the Copperbelt. [ [W. V. Brelsford: "Making an Outlet from Lake Bangweulu in Northern Rhodesia". "The Geographical Journal", Vol. 106, No. 1/2 (Jul. - Aug., 1945), pp. 50-58.]


There are numerous lagoons in the swamps, the more prominent ones are: "Lake Chali (12)" in the south-west, "Lake Chaya (13)" in the east at the mouth of the Lulingilla River in the east, "Lake Wumba (14)" in the north-east at the confluence of the Chambeshi and Luansenshi "(20)" Rivers, and the "Pook Lagoon (15)" in the East near Nsalushi Island "(25)".

Other features of the swamps

On the northern side there are several wide swampy estuaries where rivers enter the lake or swamps, going from north-west to north-east they are: Lupososhi Estuary "(16)", Luena Estuary "(17)", Lukuto Estuary "(18)", Chambeshi Estuary "(19)" (and Luansenshi Estuary which feeds into it).

On the eastern and south-eastern sides the swamps are fed by the Munikashi, Luitikila, Lumbatwa, Lukulu and Lulimala rivers. The estuaries of the last three are the main dry season grazing grounds of the Black Lechwe.

In the main part of the swamps, just south of Chilubi Island, is a large area which is very shallow in the flood season and may become fairly dry at the end of the dry season, called the Lunga Bank "(27)".


Large grassy floodplains with an area of about 3,000 km² lie mainly south of the swamps, but also in the north-north-east, acting as an extension of the region in the wet season. The southern floodplains are famous for large herds of the near-endemic black lechwe. Further information on wildlife of the wetlands is found on the Bangweulu Wetlands ecosystem page.

European exploration

The lake was known to Europeans from reports by chiefs such as Kazembe and from Swahili traders, and it was sometimes referred to as 'Lake Bemba' from the name of the dominant tribe. In 1868 explorer and missionary David Livingstone was the first European to see the lake at the north end of the Lake Chifunabuli section. He was taken by canoe as far as Mbabala Island. His last expedition a few years later foundered in the swamps and their maze of shifting channels as he struggled to discover the rivers draining in and out of the lake. He died in 1873 in Chief Chitambo's village on the edge of the southern flood plain, about 100 km from the lake itself.David Livingstone & Horace Waller (Ed): “The Last Journals of David Livingstone in Central Africa from 1865 to his Death”. (Two Volumes). John Murray, 1874.] The spot is marked by the Livingstone Memorial (see map).

It was a desire for the riches of Bangweulu's fisheries and game-rich floodplain which motivated King Leopold II of Belgium to insist, in border negotiations between his Congo Free State and the British in Northern Rhodesia, on a land corridor reaching Bangweulu from Katanga. This resulted in the shape of the Congo Pedicle "(34)" which, as it turned out, does not penetrate the area enough to be of the desired value.

The first Christian missions in Bangweulu were founded in the early 1900s under the authority of Bishop Joseph Dupont of the Catholic White Fathers who was based north of Kasama.

Human settlement

The area of the lake is inhabited by Bemba people and affiliated tribes who also speak Chibemba. The Bemba heartland of Paramount Chief Chitimukulu lies to the north-east, around Kasama.

The Bangweulu fishery

The lake supports a seasonal fishing industry and the population may increase markedly during the season. In 1989 the average annual catch was estimated at 11,900 tonnes, caught by 10,300 people using 5305 dugout canoes, 114 plank and fibreglass boats, and only 54 outboard motors. In 2000 the catch was 13,500 t. [ [ Jul-Larsen, E. et al: "Management, co-management or no management? Major dilemmas in southern African freshwater fisheries. Part 2: Case studies".] FAO Fisheries Technical Papers T426/2 (2003) ISBN 9251050325. Website accessed 24 April 2007.]

Natural gas pipeline

In early 2004 a private European natural gas company finished preliminary plans to lay a pipeline which would cut directly through the Southeast portion of the Lake. Part of this plan was a proposed dam to allow for partial drainage of the required part of the lake. This plan was met with harsh opposition from the local people as well as environmental activists. After much court-wrangling and lengthy hearings on the project, the plan was disposed of by the European company as they built a detour for their pipeline in the surrounding province.

Towns and districts

The largest town, Samfya lies on the south western shore and is the principal base for road and boat transport and tourism, as well as being the administrative centre for Samfya District covering about three-quarters of the lake and swamps. Chilubi District covers most of the rest, its boma is on Chilubi Island "(6)", which is bordered by the swamps to the east. Luwingu District just touches the lake at Nsombo, which is the principal town at the northern end of the lake. Mpika and Kasama districts just touch the eastern and southern margins of the floodplain, and Serenje District and the Congo Pedicle just reach the southern margin of the floodplain.


There are numerous inhabited islands in the Bangweulu system.

On the lake they are:
* "Chilubi Island (6)", the largest, partly in the lake and mainly in the swamps
* "Mbabala Island (3)", a sand spit dividing off the Lake Walilupe section
* "Chishi Island (5)", in the middle of the northern part of the lake
* "Lifunge Mwenzi Island (7)", dividing off the northern part of Lake Chifunabuli
* Small Islands: "Chindo" and "Ibula Islands" near the north-west shore, and "Chibwe Ngombe Island", a tiny sliver north-west of "Chilubi Island".In the swamps:
* "Nsumbu Island (8)" east of Chilubi Island
* In the eastern swamps: "Chisale Island", "Panyo Island (24)", "Nsalushi Island (25)", "Nsumpa Island", "Matonga Island" and "Kawulu Island"
*Near the Chambeshi River where it enters the eastern swamps: "Mutwamina Island" and "Munyanga Island"
*In the southern swamps: "Ncheta Island (26)" (with the village of "Bwalya Mponda"), and "Mbo", east of the Luapula's exit from the swamps
*"Kasoma" village on the south-east edge of the Lunga Bank
*"Kalimakonde" village on the banks of the Churchill ChannelFlood season islands: on the edge of the swamps, connected to the mainland in the dry season:
*In the north-east: "Kasansa Island (23)", "Chichile Island (22)", "Luangwa Island", "Mbishi Island", and "Munkanta" at the edge of Lake Chaya, where the Lulingila River enters the eastern swamps.
* In the south: "Kasenga (28)", close to the outlet of Lake Kangwena, "Kataba (29)", and "Yongolo", and "Itulo" at the edge of south-east swamps.

Other settlements

*"Lubwe (30)" on Lake Chifunabuli has a Catholic mission and hospital
* "Kasaba (31)", a Catholic mission in the north-west
* "Santa Maria", a mission on Chilubi Island
* "Mpanta", east of Samfya on the channel draining out of Lake Walilupe
*"Twingi (32)", with a mission, at the south end of the Kapata Peninsula
*"Chaba (33)", in the north-east
* "Mofu", in the north-east.

ee also

*Bangweulu Wetlands ecosystem
*Chambeshi River
*Luapula River
*Water transport in Zambia
*David Livingstone
*Livingstone Memorial
*Congo Pedicle


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