Upton Cow Down (grid reference ST875491) is a 16.4 hectare biological Site of Special Scientific Interest in Wiltshire. The down is an area of chalk grassland on the western edge of Salisbury Plain. It lies one mile south of the town of Westbury, above the village of Upton Scudamore.
Coordinates: 51°14′27″N 2°10′50″W / 51.24094°N 2.18045°W