- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°38'30"N 2°25'11"W
- Eastings/Northings: 373005, 527499
- OS Grid: NY730274
- Mapcode Local: GBR CGJR.XS
- Mapcode Global: WH92M.SLW9
Location and coordinates are for the approximate centre of Seamore Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.