| Site of Special Scientific Interest | |
| Location | Carmarthenshire |
|---|---|
| Grid reference | SN5085414435 |
| Coordinates | 51°48′31″N4°09′53″W / 51.8086°N 4.1647858°W |
| Interest | Biological |
| Area | 22.98 ha |
| Notification | 22 July 1988 |
Coedydd y Garn is an outcrop of limestone that is a Site of Special Scientific Interest in Carmarthen & Dinefwr, Wales.