- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 55°45'55"N 2°17'46"W
- Eastings/Northings: 381500, 652500
- OS Grid: NT815525
- Mapcode Local: GBR D1DS.M2
- Mapcode Global: WH8X8.PBPY
Location and coordinates are for the approximate centre of Blackadder Water within this administrative area.
Geographic features and populated places may cross administrative borders.