- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 50°48'34"N 2°54'9"W
- Eastings/Northings: 336500, 101500
- OS Grid: ST365015
- Mapcode Local: GBR M9.YBFV
- Mapcode Global: FRA 46TY.M0C
Location and coordinates are for the approximate centre of Blackwater River within this administrative area.
Geographic features and populated places may cross administrative borders.