Enfield Blackwater

River Blackwater (Enfield)
Native nameAn Abhainn Dubh (Irish)
Location
CountryIreland
Physical characteristics
Source 
 • locationDerrymahon, County Kildare
 • elevation90 m (300 ft)
Mouth 
 • location
Donore, County Meath to River Boyne, thence to Irish Sea
Length24.5 km (15.2 mi)
Basin size126.8 km2 (49.0 sq mi)
Discharge 
 • average0.24 m3/s (8.5 cu ft/s)

The River Blackwater, also called the Enfield Blackwater, or Kildare Blackwater is a river that flows through the counties of Kildare and Meath in Ireland. It is a tributary of the River Boyne which flows into the Irish Sea at Drogheda.