- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 54°19'16"N 0°42'26"W
- Eastings/Northings: 484170, 492507
- OS Grid: SE841925
- Mapcode Local: GBR RLHG.MQ
- Mapcode Global: WHGBP.3NC5
Location and coordinates are for the approximate centre of Horcum Slack within this administrative area.
Geographic features and populated places may cross administrative borders.