- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 55°28'26"N 1°58'30"W
- Eastings/Northings: 401672, 620025
- OS Grid: NU016200
- Mapcode Local: GBR G5N4.5H
- Mapcode Global: WH9ZX.MNPV
Location and coordinates are for the approximate centre of The Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.