- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 54°12'15"N 2°54'17"W
- Eastings/Northings: 341073, 479104
- OS Grid: SD410791
- Mapcode Local: GBR 8M4T.WM
- Mapcode Global: WH83D.BLY8
Location and coordinates are for the approximate centre of The Slack within this administrative area.
Geographic features and populated places may cross administrative borders.