- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°3'32"N 1°11'58"W
- Eastings/Northings: 444661, 1130740
- OS Grid: HU446307
- Mapcode Local: GBR R2D4.LYL
- Mapcode Global: XHD3R.SFKJ
Location and coordinates are for the approximate centre of Ollinsgarth within this administrative area.
Geographic features and populated places may cross administrative borders.