- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 54°27'31"N 3°0'42"W
- Eastings/Northings: 334500, 507500
- OS Grid: NY345075
- Mapcode Local: GBR 7JDW.QG
- Mapcode Global: WH825.P6Z8
Location and coordinates are for the approximate centre of Alcock Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.