- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 54°18'11"N 0°38'10"W
- Eastings/Northings: 488848, 490592
- OS Grid: SE888905
- Mapcode Local: GBR SL0P.25
- Mapcode Global: WHGBX.63BF
Location and coordinates are for the approximate centre of Grain Slack within this administrative area.
Geographic features and populated places may cross administrative borders.