- Category: Water Feature
- Type: Wetland
- Latitude/Longitude: 59°23'14"N 2°25'6"W
- Eastings/Northings: 376326, 1055760
- OS Grid: HY763557
- Mapcode Local: GBR N3DX.LRK
- Mapcode Global: XH9S1.V93T
Location and coordinates are for the approximate centre of Grithamy Dyke within this administrative area.
Geographic features and populated places may cross administrative borders.