A blackwater river is a river with a deep, slow-moving channel flowing through forested swamps or wetlands.

Blackwater River may also refer to:

Canada

  • West Road River (also Blackwater River), a major tributary of the Fraser River

Great Britain

England

  • Blackwater River (River Axe), a tributary of the River Axe in Devon and Dorset
  • River Blackwater, Essex
  • Blackwater Estuary
  • River Blackwater (River Loddon), a tributary of the Loddon forming boundaries of Hampshire with Surrey and Berkshire
  • River Blackwater (River Test), a tributary of the Test in Wiltshire and Hampshire

Scotland

  • Black Water (Conon), in Wester Ross, Scotland

Ireland

  • Blackwater River, a distributary of the River Shannon
  • Enfield Blackwater, flowing from Staplestown, County Kildare, to the River Boyne in County Meath
  • Kells Blackwater also known as Leinster Blackwater, flowing from Lough Ramor, County Cavan, to Navan, County Meath
  • Kerry Blackwater, a river in County Kerry
  • Kilkenny Blackwater, a tributary of the River Suir in County Kilkenny
  • Munster Blackwater, a river which flows through Counties Kerry, Cork, and Waterford
  • River Blackwater, County Cavan
  • Ulster Blackwater in Counties Armagh, Tyrone and Monaghan

New Zealand

  • Blackwater River (Tasman), a tributary to the Mangles River
  • Blackwater River (Buller River tributary)
  • Blackwater River (Little Grey River tributary)

United States

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  • Blackwater River (Perdido River tributary), a river in Baldwin County, Alabama
  • Blackwater River (Florida), a river arising in southern Alabama and flowing through the Florida Panhandle to the Gulf of Mexico
  • Blackwater River (Maine), a river in Aroostook County
  • Blackwater River (Maryland), a largely saltwater river in Dorchester County
  • Little Blackwater River (Maryland), a tributary
  • Blackwater River (Massachusetts–New Hampshire), a tidal inlet in northeastern Massachusetts and southeastern New Hampshire
  • Blackwater River (Missouri), a tributary of the Lamine River
  • Blackwater River (Contoocook River tributary), a river in central New Hampshire
  • Blackwater River (Virginia), a river in southeastern Virginia
  • Blackwater River (West Virginia), a river in the Allegheny Mountains (with a tributary named Little Blackwater River)

See also

  • Blackwater (disambiguation)