- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 54°56'51"N 2°19'17"W
- Eastings/Northings: 379500, 561500
- OS Grid: NY795615
- Mapcode Local: GBR DC77.55
- Mapcode Global: WH914.9WRW
Location and coordinates are for the approximate centre of River Allen within this administrative area.
Geographic features and populated places may cross administrative borders.