Semantic search
- Comau Basin
- Congo Basin
- Conventillos Basin
- Corubal Basin
- Coruh Basin
- Courantyne (Corantijn) Basin
- Cross Basin
- Cullen Basin
- Cuvelai River-Etosha Pan Basin
- Danube Basin
- Danube River
- Daoura Basin
- Dasht Basin
- Daugava Basin
- Dnieper Basin
- Dniester Basin
- Don Basin
- Douro (Duero) Basin
- Dra Basin
- Ebro Basin
- El Naranjo Basin
- Elancik Basin
- Elbe Basin
- Erne Basin
- Essequibo Basin
- Fane Basin
- Fenney Basin
- Firth Basin
- 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
- Har Us Nur Basin
- Hari (Harirud) Basin