River Cywyn
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Bridge_Over_Afon_Cywyn_-_geograph.org.uk_-_1313911.jpg/220px-Bridge_Over_Afon_Cywyn_-_geograph.org.uk_-_1313911.jpg)
The River Cywyn (Welsh: Afon Cywyn) is a river that flows through Carmarthenshire, south Wales. It rises some seven miles west-north-west of Carmarthen and flows in a southerly direction to join the River Tâf near its estuary.
51°47′34″N 4°27′11″W / 51.79264°N 4.45307°W