| Fforestganol a Chwm Nofydd | |
| Aos: | Mid and South Glamorgan |
| Interest: | Biological |
| Coordinates: | 51.5429°N -3.2284°W |
| Displaymap: | Wales |
| Area: | 111.45 ha |
| Notifydate: | 19 February 1985 |
Fforestganol a Chwm Nofydd is a Site of Special Scientific Interest north of the M4 motorway and east of Tongwynlais, in Cardiff, Wales.