Semantic search
- Akpa Basin
- Alsek Basin
- Amacuro Basin
- Amazon Basin
- Amu Darya (River)
- Amur Basin
- An Nahr Al Kabir Basin
- Apalachicola-Chattahoochee-Flint River Basin
- Aral Sea
- Aral Sea Basin
- Arctic Ocean
- Arroyo Seco
- Artibonite Basin
- Asi (Orontes) Basin
- Astara Chay Basin
- Atlantic Ocean
- 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
- Bermejo River
- 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
- Chesapeake Bay
- Chico (Carmen Silva) Basin
- Chilkat Basin
- Chiloango Basin
- Chira Basin
- Chiriqui Basin
- Choluteca Basin
- Chuy Basin
- Coastal Aquifer (Israel, Palestine)
- Coatan Achute Basin
- Coco (Segovia) Basin
- Colorado Basin
- Colorado River
- Colorado-Corredores Basin
- Columbia Basin
- Columbia River Basin
- Comau Basin
- Congo Basin
- Conventillos Basin
- Corubal Basin
- Coruh Basin
- Courantyne (Corantijn) Basin
- Cross Basin
- Cuareim River
- Cullen Basin
- Cuvelai River-Etosha Pan Basin
- Danjiangkou Reservoir
- Danube Basin
- Danube River
- Daoura Basin
- Dasht Basin
- Daugava Basin
- Dead Sea
- Devil's Lake Basin
- Dnieper Basin
- Dniester Basin
- Don Basin
- Douro (Duero) Basin
- Dra Basin
- Drava River
- Drin Basin
- Ebro Basin
- Ebro River
- 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