- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°17'6"N 2°55'1"W
- Eastings/Northings: 340394, 488115
- OS Grid: SD403881
- Mapcode Local: GBR 8L2W.7M
- Mapcode Global: WH830.5K57
Location and coordinates are for the approximate centre of Middle Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.