- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°8'13"N 3°7'25"W
- Eastings/Northings: 326676, 471839
- OS Grid: SD266718
- Mapcode Local: GBR 6NML.HQ
- Mapcode Global: WH72J.Z8NR
Location and coordinates are for the approximate centre of Mere Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.