- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 54°36'6"N 3°4'38"W
- Eastings/Northings: 330500, 523500
- OS Grid: NY305235
- Mapcode Local: GBR 6HY7.K4
- Mapcode Global: WH707.PLSH
Location and coordinates are for the approximate centre of Tewet Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.