IASNOVA Interactive Atlas · Geography Through Maps
THE AFRICAN LAKES ATLAS
30 major lakes, wetlands & reservoirs — hover or tap a marker to explore.
Selected major water bodies · International boundaries shown for orientation · lake and reservoir extents are approximate and may vary with water level
Lakes of Africa: What the Map Reveals
Africa’s lakes reveal the continent’s tectonics, climate and river systems. The East African Rift contains long, deep lakes such as Tanganyika and Malawi, while broad, comparatively shallow Victoria occupies a basin between the rift’s branches. Interior drainage produces highly variable lakes and wetlands from Chad to Ngami, and intense evaporation creates saline waters and salt pans from Natron to Chott el Djerid.
These water bodies also connect Africa’s great river basins. Tana feeds the Blue Nile, Victoria and Albert belong to the White Nile system, Mweru and Bangweulu link with the Congo, and Malawi drains through the Shire to the Zambezi. Major reservoirs such as Volta, Nasser, Kariba, Cahora Bassa and Kainji show how dams have reshaped water storage and power generation.
Complete Reference: All 30 Water Bodies
Open any entry for its countries, classification, dimensions, drainage and defining geographic fact.
Great & interior lakes
Lake Victoria Tanzania · Uganda · Kenya
Type: Natural freshwater · broad, shallow tectonic basin
Size / depth: About 68,800 km²; maximum depth about 80–84 m
Drainage / basin: Kagera and many smaller rivers; sole surface outlet is the Victoria Nile at Jinja
Why it matters: Africa’s largest lake and the world’s largest tropical lake. Its immense surface receives most of its water directly from rainfall, while storms, eutrophication and invasive species create major human and ecological risks.
Lake Tanganyika Tanzania · Democratic Republic of the Congo · Burundi · Zambia
Type: Natural freshwater · ancient Rift Valley lake
Size / depth: About 32,900 km²; maximum depth about 1,470 m
Drainage / basin: Ruzizi, Malagarasi and other rivers; Lukuga River outlet to the Congo system
Why it matters: The world’s second-deepest lake and second-largest freshwater lake by volume. Its long isolation and great age produced extraordinary endemic biodiversity.
Lake Malawi / Nyasa / Niassa Malawi · Mozambique · Tanzania
Type: Natural freshwater · Rift Valley lake
Size / depth: About 29,600 km²; maximum depth about 706 m
Drainage / basin: Shire River → Zambezi River → Indian Ocean
Why it matters: One of the world’s great biodiversity lakes, renowned for an exceptional radiation of cichlid fishes. The three names reflect different national and historical usage.
Lake Turkana Kenya · Ethiopia basin
Type: Natural saline-alkaline · closed Rift Valley lake
Size / depth: Roughly 6,400–7,000 km²; about 249 km long
Drainage / basin: Endorheic; the Omo River from Ethiopia supplies most inflow
Why it matters: The world’s largest desert lake and East Africa’s most saline large lake. Its water level is especially sensitive to changes in the Omo River.
Lake Albert Uganda · Democratic Republic of the Congo
Type: Natural freshwater · western Rift Valley lake
Size / depth: About 5,300 km²; maximum depth about 58 m
Drainage / basin: Semliki River and Victoria Nile; outlet continues as the Albert Nile
Why it matters: A major link in the White Nile system. The Nile enters from the southeast and leaves the lake’s northern end toward South Sudan.
Lake Edward Democratic Republic of the Congo · Uganda
Type: Natural freshwater · western Rift Valley lake
Size / depth: About 2,325 km²; maximum depth roughly 112 m
Drainage / basin: Kazinga Channel from Lake George; Semliki River outlet toward Lake Albert
Why it matters: Shared by Virunga and Queen Elizabeth protected landscapes, the lake supports important fisheries and rich wetland wildlife.
Lake Kivu Rwanda · Democratic Republic of the Congo
Type: Natural freshwater · deep meromictic Rift Valley lake
Size / depth: About 2,700 km²; maximum depth about 485 m
Drainage / basin: Ruzizi River → Lake Tanganyika
Why it matters: Deep waters contain large quantities of dissolved methane and carbon dioxide. Carefully managed methane extraction can produce energy, but gas accumulation also makes the lake scientifically unusual and potentially hazardous.
Lake Mweru Zambia · Democratic Republic of the Congo
Type: Natural freshwater · shallow rift-border lake
Size / depth: Roughly 4,900 km², varying with water level
Drainage / basin: Luapula River in; Luvua River out to the Congo
Why it matters: Mweru lies on the upper Congo system and supports a productive transboundary fishery. Its long axis follows the Zambia–DRC frontier.
Lake Rukwa Tanzania
Type: Natural alkaline · shallow endorheic Rift Valley lake
Size / depth: Highly variable; often around 2,000–2,600 km² in wetter phases
Drainage / basin: Closed Rukwa basin with no outlet to the sea
Why it matters: Rainfall and evaporation can shift the shoreline dramatically. The lake occupies a parallel branch of the East African Rift west of Mbeya.
Lake Kyoga Uganda
Type: Natural freshwater · very shallow lake and wetland complex
Size / depth: About 1,720 km²; generally only a few metres deep
Drainage / basin: Victoria Nile flows through the lake toward Lake Albert
Why it matters: Papyrus-fringed Kyoga spreads across a broad, shallow basin between Lakes Victoria and Albert, forming an important step in the White Nile system.
Lake Tana Ethiopia
Type: Natural freshwater · highland lake
Size / depth: Roughly 3,000–3,600 km²; elevation about 1,788 m
Drainage / basin: Source of the Abbay / Blue Nile River
Why it matters: Ethiopia’s largest lake and the source of the Blue Nile. Its islands, monasteries, papyrus wetlands and endemic fishes give it exceptional cultural and ecological importance.
Lake Bangweulu Zambia
Type: Natural freshwater · shallow lake and floodplain system
Size / depth: Open water and swamps expand seasonally across thousands of km²
Drainage / basin: Chambeshi River in; Luapula River out to Lake Mweru
Why it matters: Bangweulu means “where the water meets the sky.” The lake, swamps and seasonally flooded grasslands form one connected upper-Congo wetland system.
Seasonal & wetland
Lake Chad Chad · Cameroon · Niger · Nigeria basin
Type: Natural freshwater · shallow endorheic lake and wetland
Size / depth: Extremely variable; open water is now far below its 1960s extent
Drainage / basin: Chari–Logone supplies most inflow; no outlet to the sea
Why it matters: The lake’s water, reed beds and islands shift with Sahel rainfall, river inflow and water use. Its wider basin supports tens of millions of people.
Lake Mai-Ndombe Democratic Republic of the Congo
Type: Natural freshwater · shallow tropical lowland lake
Size / depth: Often cited near 2,300 km², but seasonally variable
Drainage / basin: Blackwater lake connected to the Congo River system through the Fimi River
Why it matters: Dark, humic water and forested shores characterise this expansive Congo Basin lake, whose name means “black water” in Lingala.
Lake Tumba Democratic Republic of the Congo
Type: Natural freshwater · shallow floodplain lake
Size / depth: About 500–765 km² depending on season
Drainage / basin: Connected to the Congo River by the Irebu channel
Why it matters: Tumba rises and falls with the Congo flood pulse and sits within a vast forest, river and wetland landscape of global ecological importance.
Lake Upemba Democratic Republic of the Congo
Type: Natural freshwater · shallow lake within a wetland chain
Size / depth: Highly variable; part of a much larger depression of lakes and marshes
Drainage / basin: Upper Lualaba River in the Congo system
Why it matters: Upemba is one element of an extensive floodplain mosaic that stores water, supports fisheries and links the headwaters of the upper Congo.
Lake Chilwa Malawi · Mozambique basin
Type: Natural freshwater-to-brackish · shallow endorheic lake
Size / depth: Often around 600–1,800 km²; periodically contracts or dries
Drainage / basin: Closed basin with no sea outlet
Why it matters: One of Africa’s most productive but most variable shallow-lake fisheries. Rainfall changes can transform open water into marsh and exposed lakebed.
Lake Alaotra Madagascar
Type: Natural freshwater · shallow lake and marsh complex
Size / depth: Roughly 200 km² of open water plus extensive wetlands
Drainage / basin: Maningory River → Indian Ocean
Why it matters: Madagascar’s largest lake is surrounded by nationally important rice fields and the last habitat of the critically endangered Alaotra gentle lemur.
Lake Ngami Botswana
Type: Natural freshwater · intermittent terminal lake
Size / depth: Highly variable; can shrink to marsh or dry lakebed
Drainage / basin: Terminal part of the Okavango system during strong flood years
Why it matters: Ngami’s appearance depends on the slow-travelling Okavango flood pulse, local rain and evaporation. It can change from broad lake to grassland within a few years.
Saline / crater
Lake Natron Tanzania · Kenya basin
Type: Natural saline-alkaline · shallow terminal lake
Size / depth: Up to roughly 1,000 km²; usually less than 3 m deep
Drainage / basin: Southern endorheic Rift Valley basin
Why it matters: Salt-loving microorganisms can colour its shallows red and pink. Isolated mudflats provide the principal breeding ground for East Africa’s lesser flamingos.
Lake Assal Djibouti
Type: Natural hypersaline · tectonic crater lake
Size / depth: About 54 km²; surface roughly 155 m below sea level
Drainage / basin: Closed Afar Depression basin with geothermal and subterranean inputs
Why it matters: Africa’s lowest point and one of the world’s saltiest large water bodies. Brilliant salt flats fringe the intensely evaporative lake.
Chott el Djerid Tunisia
Type: Seasonal salt lake / playa
Size / depth: Roughly 5,000–7,000 km² depending on mapped boundary
Drainage / basin: Closed Saharan depression
Why it matters: For much of the year the chott is a vast salt-encrusted pan; rare rains create shallow sheets of water, mirages and rapidly changing surface colours.
Lake Qarun Egypt
Type: Natural-origin saline lake · managed agricultural drainage basin
Size / depth: About 230 km²; surface around 43–45 m below sea level
Drainage / basin: Fayum Depression; supplied mainly through the Bahr Yussef canal system
Why it matters: A remnant of a much larger ancient lake, Qarun now receives agricultural drainage and has become increasingly saline.
Lake Retba / Lac Rose Senegal
Type: Small hypersaline coastal lake
Size / depth: Only a few km²; size and salinity vary seasonally
Drainage / basin: Closed coastal depression near the Atlantic
Why it matters: Salt-tolerant microorganisms can turn the water pink under suitable light, salinity and biological conditions, but the colour is not constant.
Lake Bosomtwe / Bosumtwi Ghana
Type: Natural freshwater · meteorite-impact crater lake
Size / depth: About 49 km²; lake roughly 8 km across
Drainage / basin: Hydrologically closed crater with no surface outlet
Why it matters: Ghana’s only natural lake fills a roughly one-million-year-old impact crater. Sediments preserve a long record of West African environmental change.
Major reservoirs
Lake Volta Ghana
Type: Hydroelectric reservoir · Volta River
Size / depth: About 8,500 km² at high operating level
Drainage / basin: Impounded by Akosombo Dam
Why it matters: One of the world’s largest artificial lakes by surface area, it stretches through much of Ghana and supports hydropower, transport, fisheries and irrigation.
Lake Nasser / Lake Nubia Egypt · Sudan
Type: Multipurpose reservoir · Nile River
Size / depth: About 5,250 km² at full supply; roughly 500 km long
Drainage / basin: Impounded by the Aswan High Dam
Why it matters: Called Lake Nasser in Egypt and Lake Nubia in Sudan, the reservoir stores Nile water for irrigation and hydropower while losing large volumes to desert evaporation.
Lake Kariba Zambia · Zimbabwe
Type: Hydroelectric reservoir · Zambezi River
Size / depth: About 5,400–5,580 km²; roughly 280 km long
Drainage / basin: Impounded by Kariba Dam
Why it matters: One of the world’s largest artificial lakes by volume. It supplies electricity to Zambia and Zimbabwe, and its operating level is closely monitored for hydropower and dam safety.
Cahora Bassa Reservoir Mozambique
Type: Hydroelectric reservoir · Zambezi River
Size / depth: Roughly 2,700 km²; about 250 km long
Drainage / basin: Impounded by Cahora Bassa Dam
Why it matters: The Zambezi’s major downstream reservoir is central to Mozambican power generation and has substantially altered the river’s flood rhythm.
Kainji Lake Nigeria
Type: Hydroelectric and multipurpose reservoir · Niger River
Size / depth: About 1,250–1,300 km² at full level
Drainage / basin: Impounded by Kainji Dam
Why it matters: Created in the late 1960s, Kainji supports hydropower, navigation and fisheries; part of its shoreline lies within Kainji Lake National Park.
Test Yourself: Africa Lakes Map Quiz
Q1. Which is Africa’s largest lake by surface area?
Lake Victoria covers about 68,800 square kilometres, making it Africa’s largest lake and the world’s largest tropical lake.
Q2. Which African lake is the world’s second deepest?
Lake Tanganyika reaches about 1,470 metres, second only to Lake Baikal.
Q3. Which lake contains large quantities of dissolved methane and carbon dioxide?
Lake Kivu’s deep, stratified waters contain dissolved methane and carbon dioxide; methane is also extracted for energy.
Q4. Which mapped lake marks Africa’s lowest point?
Lake Assal in Djibouti lies about 155 metres below sea level, the lowest land elevation in Africa.
Q5. The Blue Nile begins at which lake?
The Abbay, or Blue Nile, flows from Lake Tana in the Ethiopian Highlands.
Q6. Which river supplies most of Lake Chad’s inflow?
The Chari–Logone system carries most inflow to shallow, endorheic Lake Chad.
Q7. Akosombo Dam created which reservoir?
Akosombo Dam on the Volta River created Lake Volta in Ghana.
Q8. Lake Kariba and Cahora Bassa both lie on which river?
Both major reservoirs impound the Zambezi, with Kariba upstream of Cahora Bassa.
Frequently Asked Questions
What is the largest lake in Africa?
Lake Victoria is Africa’s largest lake by surface area, covering about 68,800 square kilometres across Tanzania, Uganda and Kenya.
What is the deepest lake in Africa?
Lake Tanganyika is Africa’s deepest lake, reaching about 1,470 metres. It is also the second-deepest lake in the world after Lake Baikal.
What is the largest desert lake in the world?
Lake Turkana in Kenya, whose basin extends into Ethiopia, is the world’s largest desert lake and East Africa’s most saline large lake.
Why does the size of Lake Chad change so much?
Lake Chad is extremely shallow and has no sea outlet. Its extent responds quickly to Sahel rainfall, Chari–Logone inflow, evaporation and human water use. Open water, islands and wetlands can shift greatly between seasons and decades.
Why is Lake Kivu unusual?
Kivu’s deep waters are permanently stratified and contain large stores of dissolved methane and carbon dioxide. The methane can provide energy, but the gas system requires careful scientific monitoring and management.
Which major African lakes are reservoirs?
The map includes Lake Volta, Lake Nasser / Nubia, Lake Kariba, Cahora Bassa Reservoir and Kainji Lake. All were created by large dams for hydropower, irrigation, water storage or navigation.
Why are Lake Natron and Lake Assal so salty?
Both lie in closed basins where water has no outlet to the sea. Strong evaporation removes water while leaving dissolved minerals behind, concentrating salts and alkaline compounds.
Which lake is the source of the Blue Nile?
Lake Tana in Ethiopia is the source of the Abbay, internationally known as the Blue Nile. The river leaves the lake near Bahir Dar before descending toward Sudan.
Authoritative Sources
- NASA Earth Observatory — Lake Victoria’s Rising Waters
- UNESCO World Heritage Centre — Lake Tanganyika
- UNESCO World Heritage Centre — Lake Malawi National Park
- UNESCO World Heritage Centre — Lake Turkana National Parks
- NASA Earth Observatory — The Ups and Downs of Lake Chad
- NASA Earth Observatory — Lake Natron, Tanzania
- UNESCO Man and the Biosphere — Lake Tana
- UNESCO Man and the Biosphere — Lake Bosomtwe
- Zambezi River Authority — Lake Kariba reservoir data
- FAO — African lakes and inland fisheries
Data note: Areas and depths are rounded from commonly cited values. Shallow lakes, floodplain lakes, salt pans and reservoirs can change dramatically with rainfall, inflow, drought, evaporation, diversion and operating level. Some transboundary water bodies have different accepted names in neighbouring countries.
