Mountain Ash RFC
| Full name | Mountain Ash Rugby Football Club | |
|---|---|---|
| Nickname(s) | the Old Firm | |
| Founded | 1875 | |
| Location | Mountain Ash, Wales | |
| Ground(s) | Parc Duffryn Pennar | |
| Coach(es) | Neil Eynon, Dale Keeping | |
| League(s) | WRU Championship East | |
| 2023-2024 | 3rd | |
| ||
| Official website | ||
| www | ||
Mountain Ash RFC is a Welsh rugby union club from the town of Mountain Ash, in the Cynon Valley, South Wales. Mountain Ash RFC is a member of the Welsh Rugby Union and is a feeder club for the Cardiff Blues.