 | |
| Location | |
|---|---|
  Penallta Colliery | |
| Location | Hengoed, Caerphilly |
| Country | Wales |
| Coordinates | 51°39′16″N 3°14′41″W / 51.6544°N 3.2447°W |
| Production | |
| Products | Steam coal |
| History | |
| Opened | 1905 |
| Active | 1909–1991 |
| Closed | 1991 |
| Owner | |
| Company | Powell Duffryn National Coal Board |
Penallta Colliery was a coal mine, located close to Hengoed in the Rhymney Valley in the South Wales Valleys. A coal mine which in 1935 held the European record for coal wound in a 24-hour period, it is now the site of an original redevelopment project which will make use of the former pit head buildings.