Category:河川

Tidal bore

Pororoca

Drainage divide

Flash flood

Highway location marker

Drainage system (geomorphology)

Water right

Freshwater fish

River crossing

Estuarine water circulation#Salt wedge estuary

River source

Effects of climate change on the water cycle

Mountain stream

Stream pool

Antecedent drainage stream

Tidal river

Rapids

Staff gauge

Erosion control

Distributary