Semantic search
- Kogilnik Basin
- Komoe Basin
- Kosi River
- Kowl E Namaksar Basin
- Krka Basin
- Kunene Basin
- Kura-Araks River
- La Plata Basin
- La Plata River
- Lagoon Mirim Basin
- Lake Chad Basin
- Lake Fagnano Basin
- Lake Geneva
- Lake Lugano
- Lake Maggiore
- Lake Mead
- Lake Nacimiento
- Lake Natron Basin
- Lake Peipsi
- Lake Powell
- Lake Prespa Basin
- Lake Tanganyika
- Lake Titicaca
- Lake Titicaca-Poopo System Basin
- Lake Titicaca-Poopo System Basin Basin
- Lake Titicaca-PoopĆ³ Basin System
- Lake Turkana Basin
- Lake Ubsa-Nur Basin
- Lake Victoria Basin
- Lauca-Cancoso Basin
- Lava-Pregel Basin
- Lempa Basin
- Lielupe Basin
- Lima Basin
- Limpopo Basin
- Little Scarcies Basin
- Loes Basin
- Loffa Basin
- Lotagipi Swamp Basin
- Ma Basin
- Mahakali River
- Mana-Morro Basin
- Maputo Basin
- Maritsa Basin
- Maroni Basin
- Massacre Basin Aquifer
- Mataje Basin
- Mbe Basin
- Medjerda Basin
- Mekong River