- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 50°51'28"N 2°0'30"W
- Eastings/Northings: 399500, 106500
- OS Grid: ST995065
- Mapcode Local: GBR 310.31T
- Mapcode Global: FRA 66PT.TLG
Location and coordinates are for the approximate centre of River Allen within this administrative area.
Geographic features and populated places may cross administrative borders.