- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°23'30"N 3°1'51"W
- Eastings/Northings: 333149, 500080
- OS Grid: NY331000
- Mapcode Local: GBR 7K8N.LF
- Mapcode Global: WH82C.DWW1
Location and coordinates are for the approximate centre of The Tarns within this administrative area.
Geographic features and populated places may cross administrative borders.