The Gwenffrwd is a right-bank tributary of the
River Towy in northern
Carmarthenshire, mid
Wales
Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
. It rises to the east of Carn Nant-yr-ast and flows in a generally southeasterly direction to its confluence with the Towy, 1 mile to the northwest of the village of
Rhandirmwyn
Rhandirmwyn (or Rhandir-mwyn) is a small village in the north east of Carmarthenshire, Wales. Located in the upper Towy valley, 3 km north of Cilycwm village, it extends on both sides of the river. It lies in the parish of Llanfair-ar-y-bryn. ...
. Its only significant tributary is the Nant Melyn which enters on its right-bank.
[Ordnance Survey 1:25,000 scale Explorer map sheet 187 ''Llandovery'']
References
Rivers of Carmarthenshire
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