Semantic search
- 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