- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°30'47"N 3°3'55"W
- Eastings/Northings: 331116, 513622
- OS Grid: NY311136
- Mapcode Local: GBR 7J17.3X
- Mapcode Global: WH70M.WTDH
Location and coordinates are for the approximate centre of Harrop Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.