The Afon Cerist is a small river that flows from underneath
Craig Portas, the cliffs on the north side of
Maesglase
Maesglase is a mountain in Snowdonia, North Wales, situated approximately four miles to the south-west of Aran Fawddwy. It is the highest of the Dyfi Hills.
It can be reached by an easy but steep walk through the forestry from Dinas Mawd ...
mountain, to meet the
River Dyfi
The River Dyfi ( cy, Afon Dyfi; ), also known as the River Dovey (; ), is an approximately long river in Wales.
Its large estuary forms the boundary between the counties of Gwynedd and Ceredigion, and its lower reaches have historically been c ...
at
Dinas Mawddwy
Dinas Mawddwy () is a village in the community of Mawddwy in south-east Gwynedd, north Wales. It lies within the Snowdonia National Park, but just to the east of the main A470, and consequently many visitors pass the village by. Its population is ...
.
It forms the northern border of the
Dyfi Hills.
References
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Rivers of Gwynedd
Rivers of Snowdonia
Mawddwy