- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°48'48"N 3°22'39"W
- Eastings/Northings: 311558, 547385
- OS Grid: NY115473
- Mapcode Local: GBR 4DVS.J8
- Mapcode Global: WH6Z4.28TR
Location and coordinates are for the approximate centre of Tarns Dub within this administrative area.
Geographic features and populated places may cross administrative borders.