| Site of Special Scientific Interest | |
| Location | Carmarthenshire |
|---|---|
| Grid reference | SN2908013500 |
| Coordinates | 51°47′38″N4°28′47″W / 51.793965°N 4.4798604°W |
| Interest | Biological |
| Area | 46.29 ha |
| Notification | 18 September 1987 |
Whitehill Down is a Site of Special Scientific Interest in Carmarthen & Dinefwr, Wales. [1]