| Efail Isaf | |
|---|---|
 | |
  Efail Isaf Location within Rhondda Cynon Taf | |
| Principal area | |
| Preserved county | |
| Country | Wales |
| Sovereign state | United Kingdom |
| Police | South Wales |
| Fire | South Wales |
| Ambulance | Welsh |
| UK Parliament | |
Efail Isaf is a village located to the south of Llantwit Fardre in south Wales. It is located in the County Borough of Rhondda Cynon Taf. The former Barry Railway ran nearby. Efail Isaf has a village hall [1]