- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°28'51"N 1°30'27"W
- Eastings/Northings: 427158, 1177580
- OS Grid: HU271775
- Mapcode Local: GBR Q1M1.9VP
- Mapcode Global: XHD1H.RTLH
Location and coordinates are for the approximate centre of Tirrack Stacks within this administrative area.
Geographic features and populated places may cross administrative borders.