Tongwynlais
| Tongwynlais | |
|---|---|
Merthyr Road, with St Michael and All Angels Church in the background. | |
Tongwynlais Location within Cardiff | |
| Population | 1,871
|
| OS grid reference | ST136819 |
| Principal area | |
| Preserved county | |
| Country | Wales |
| Sovereign state | United Kingdom |
| Post town | CARDIFF |
| Postcode district | CF15 |
| Dialling code | 029 |
| Police | South Wales |
| Fire | South Wales |
| Ambulance | Welsh |
| UK Parliament | |
| Senedd Cymru – Welsh Parliament | |
Tongwynlais (Welsh pronunciation: [tɔŋgˈwɪnlai̯s]) is a village and community in the north of Cardiff, Wales, north of the M4 motorway in the Taff Valley. It is notable as the location of the hillside landmark, Castell Coch. The population as of the 2011 census was 1,871.