Africa
- Congo
- Subbasins
- Kasai
- Sangha
- Lake Tanganyika
- Ubangi
- Lake Chad
- Subbasin
- Chari
- Jubba
- Limpopo
- Mangoky
- Mania
- Niger
- Nile
- Subbasin
- Lake Victoria
- Ogooue
- Okavango Swamp
- Subbasin
- Cubango
- Orange
- Oued Draa
- Senegal
- Shaballe
- Lake Turkana
- Volta
- Zambezi
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Asia
- Amu Darya
- Amur
- Subbasin
- Songhua Yiang
- Lake Balkhash
- Brahmaputra
- Chao Phrya
- Ganges
- Godavari
- Hong (Red River)
- Hwang He
- Indigirka
- Indus
- Irrawaddy
- Kolyma
- Krishna
- Lena
- Subbasin
- Viljuj
- Mahanadi
- Mekong
- Narmada
- Ob
- Subbasin
- Irtysh
- Salween
- Syr Darya
- Tapti
- Tarim
- Xi Jiang (Pearl River)
- Yalu Jiang
- Yangtze
- Yenisey
- Subbasin
- Lake Baikal
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Europe
- Dalalven
- Danube
- Daugava
- Dnieper
- Subbasin
- Desna
- Dniester
- Don
- Ebro
- Elbe
- Garonne
- Glama
- Guadalquivir
- Kemijoki
- Kura-Araks
- Loire
- Neva
- North Dvina
- Subbasins
- Sukhona
- Vychegda
- Oder
- Po
- Rhine & Meuse
- Rhone
- Seine
- Tagus
- Tigris & Euphrates
- Ural
- Vistula
- Volga
- Subbasins
- Kama
- Oka
- Weser
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North America
- Alabama & Tombigbee
- Balsas
- Brazos
- Colorado
- Columbia
- Fraser
- Subbasin
- Nechako
- Hudson
- Mackenzie
- Subbasins
- Great Bear Lake
- Great Slave Lake
- Mississippi
- Subbasins
- Arkansas
- Missouri
- Ohio
- Red
- Nelson
- Subbasin
- Saskatchewan
- Rio Grande
- Rio Grande de Santiago
- Sacramento
- Saint Lawrence
- Subbasins
- Lakes Huron & Erie
- Lake Michigan
- Lake Ontario
- Lake Superior
- Susquehanna
- Thelon
- Usumacinta
- Yaqui
- Yukon
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Oceania
- Fly
- Kapuas
- Mahakam
- Murray-Darling
- Sepik
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South America
- Amazon
- Subbasins
- Ica-Putumayo
- Japurá
- Juruá
- Madeira
- Negro
- Purus
- Marañón
- Tapajos
- Ucayali
- Xingu
- Chubut
- Magdalena
- Orinoco
- Paraná
- Subbasin
- Paraguay
- Parnaiba
- Rio Colorado
- São Francisco
- Lakes Titicaca & Salar de Uyuni
- Tocantins
- Uruguay
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