- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°10'8"N 2°18'30"W
- Eastings/Northings: 379959, 474858
- OS Grid: SD799748
- Mapcode Local: GBR DNB7.07
- Mapcode Global: WH950.HGYR
Location and coordinates are for the approximate centre of The Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.