- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°57'55"N 2°18'40"W
- Eastings/Northings: 380173, 563449
- OS Grid: NY801634
- Mapcode Local: GBR DC90.FW
- Mapcode Global: WH914.GGNC
Location and coordinates are for the approximate centre of The Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.