- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°17'58"N 0°24'20"W
- Eastings/Northings: 503852, 490495
- OS Grid: TA038904
- Mapcode Local: GBR TLLQ.YJ
- Mapcode Global: WHGC0.R608
Location and coordinates are for the approximate centre of Mascus within this administrative area.
Geographic features and populated places may cross administrative borders.