- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°22'42"N 2°58'39"W
- Eastings/Northings: 336594, 498536
- OS Grid: SD365985
- Mapcode Local: GBR 7KNT.47
- Mapcode Global: WH82L.769S
Location and coordinates are for the approximate centre of Green Tarns within this administrative area.
Geographic features and populated places may cross administrative borders.