- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 60°11'38"N 1°31'30"W
- Eastings/Northings: 426437, 1145620
- OS Grid: HU264456
- Mapcode Local: GBR Q1LS.MY8
- Mapcode Global: XHD31.J1MC
Location and coordinates are for the approximate centre of Gronishudden within this administrative area.
Geographic features and populated places may cross administrative borders.