river mouth
Stream meets sea
The river mouth is where a river empties into a larger body of water—a lake, sea, or ocean.
Rivers often widen and slow at their mouths, depositing sediment to form deltas or estuaries.
Major cities frequently develop at river mouths, where fresh water meets maritime trade routes: The port grew up around the river mouth.
- brackish waterMildly saline aquatic environment
- fresh waterNonsaline H2O
- inletWater extending into land
- deltaSymbol denoting variation
- estuaryTidal mixing zone
tidal · confluence · salt marsh · mangroves · shore · muddy banks · distributary · intertidal zone · tidal flats · barrier islands · levee · harbor · discharge · coastline · sea level · open sea · flow · sediment
- water passagesinlet, channel, estuary, harbor entrance
- water bodiessea, lakes, lake, rivers, streams
- coastal featuresshore, coast, beach, bay, cliff
- Surfingsurfboards, surfboard, longboards, shortboards, longboard
- coastal watersharbor, bay, gulf, estuary, inlet
- deltasdistributaries, distributary
river position/flow direction
river mouthheadwaters
River's starting point
river source · source · headwater · spring · origin
mouth, river, mouthful, derive, mouthpiece, mouthed, mouthing, rivulet, mouthwash