Semantic search
- Akpa Basin
- Alsek Basin
- Amacuro Basin
- Amazon Basin
- Amur Basin
- An Nahr Al Kabir Basin
- Artibonite Basin
- Asi (Orontes) Basin
- Astara Chay Basin
- Atrak Basin
- Atui Basin
- Aviles Basin
- Awash Basin
- Aysen Basin
- BahuKalat-Rudkhanehye Basin
- Baker Basin
- Bangau Basin
- Bann Basin
- Baraka Basin
- Barima Basin
- Barta Basin
- Bei Jiang-Hsi Basin
- Beilun Basin
- Belize Basin
- Benito-Ntem Basin
- Bia Basin
- Bidasoa Basin
- Blue Nile
- Buzi Basin
- Ca (Song-Koi) Basin
- Candelaria Basin
- Castletown Basin
- Catatumbo Basin
- Cavally Basin
- Cestos Basin
- Chamelecon Basin
- Changuinola Basin
- Chico (Carmen Silva) Basin
- Chilkat Basin
- Chiloango Basin
- Chira Basin
- Chiriqui Basin
- Choluteca Basin
- Chuy Basin
- Coatan Achute Basin
- Coco (Segovia) Basin
- Colorado River
- Colorado-Corredores Basin
- Comau Basin
- Congo Basin
- Conventillos Basin
- Corubal Basin
- Coruh Basin
- Courantyne (Corantijn) Basin
- Cross Basin
- Cullen Basin
- Danube River
- Daoura Basin
- Dasht Basin
- Daugava Basin
- Dnieper Basin
- Dniester Basin
- Don Basin
- Douro (Duero) Basin
- Dra Basin
- Drava River
- Ebro Basin
- El Naranjo Basin
- Elancik Basin
- Elbe Basin
- Erne Basin
- Essequibo Basin
- Euphrates River
- Fane Basin
- Fenney Basin
- Firth Basin
- Flint River
- Flurry Basin
- Fly Basin
- Foyle Basin
- Fraser Basin
- Gallegos-Chico Basin
- Gambia Basin
- Ganges River
- Ganges-Brahmaputra-Meghna Basin
- Garonne Basin
- Gash River
- Gauja Basin
- Geba Basin
- Glama Basin
- Goascoran Basin
- Golok Basin
- Great Scarcies Basin
- Grijalva Basin
- Guadiana Basin
- Guir Basin
- Han Basin
- Han River (Yangtze River)
- Har Us Nur Basin
- Hari (Harirud) Basin