The Afon Twymyn (English: River Twymyn) is a river in Powys, Mid Wales.
| Afon Twymyn | |
|---|---|
 Afon Twymyn at Cringoed, looking downstream | |
 | |
| Location | |
| Country | Wales |
| Region | Powys |
| Physical characteristics | |
| Source | Esgair Lwyd, Plynlimon, Powys, Wales |
| • elevation | 480 m (1,570 ft) |
| Mouth | |
• location | River Dyfi, Cemmaes Road |
From its source close to Dylife and head of the Pennant Valley, the river flows through Llanbrynmair before joining the River Dyfi upstream of Cemmaes Road.
See also
edit52°38′N 3°44′W / 52.633°N 3.733°W
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