- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°13'3"N 2°10'49"W
- Eastings/Northings: 387500, 146500
- OS Grid: ST875465
- Mapcode Local: GBR 1V0.MKN
- Mapcode Global: VH97H.5N6H
Location and coordinates are for the approximate centre of Arn Hill Down within this administrative area.
Geographic features and populated places may cross administrative borders.