- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°21'51"N 2°55'46"W
- Eastings/Northings: 339702, 496917
- OS Grid: SD397969
- Mapcode Local: GBR 7KZZ.KB
- Mapcode Global: WH82L.ZK5P
Location and coordinates are for the approximate centre of Fir Holme within this administrative area.
Geographic features and populated places may cross administrative borders.