- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°17'4"N 2°19'12"W
- Eastings/Northings: 379262, 487707
- OS Grid: SD792877
- Mapcode Local: GBR DL7W.HV
- Mapcode Global: WH94F.BKGQ
Location and coordinates are for the approximate centre of Widdale Great Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.