Afon Alun
| Afon Alun | |
|---|---|
The river near Castle-upon-Alun | |
| Location | |
| Country | United Kingdom, Wales |
| Region | South Wales |
| County | Vale of Glamorgan |
| Physical characteristics | |
| Source | |
| • location | Llandow, Vale of Glamorgan, Wales |
| Mouth | Ewenny River |
| Length | 7.2 km (4.5 mi) |
| Discharge | |
| • location | Ewenny River |
Afon Alun is a river in the Vale of Glamorgan, south Wales. It is a tributary of the Ewenny River, which it joins to the south of Bridgend.