- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°17'0"N 2°55'18"W
- Eastings/Northings: 340083, 487931
- OS Grid: SD400879
- Mapcode Local: GBR 8L1X.77
- Mapcode Global: WH830.2LXK
Location and coordinates are for the approximate centre of Sow How Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.