- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°14'8"N 0°18'38"W
- Eastings/Northings: 510195, 483539
- OS Grid: TA101835
- Mapcode Local: GBR VM8G.HC
- Mapcode Global: WHHDD.6S7Q
Location and coordinates are for the approximate centre of Old Horse within this administrative area.
Geographic features and populated places may cross administrative borders.