- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°22'19"N 2°39'51"W
- Eastings/Northings: 356946, 497586
- OS Grid: SD569975
- Mapcode Local: GBR 9KTW.ZJ
- Mapcode Global: WH93W.1CLP
Location and coordinates are for the approximate centre of Peggy Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.