- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°39'19"N 0°52'40"W
- Eastings/Northings: 461454, 1197420
- OS Grid: HU614974
- Mapcode Local: GBR S05K.Y3T
- Mapcode Global: XHF7R.0F9R
Location and coordinates are for the approximate centre of Wedder Holm within this administrative area.
Geographic features and populated places may cross administrative borders.