- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 57°34'3"N 3°17'3"W
- Eastings/Northings: 323267, 853779
- OS Grid: NJ232537
- Mapcode Local: GBR L88Q.D60
- Mapcode Global: WH6JT.J260
Location and coordinates are for the approximate centre of Slack Muck within this administrative area.
Geographic features and populated places may cross administrative borders.