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Another is a stream draining the south-eastern slopes of
Drum and
Foel-fras, mountains in the
Carneddau mountain range. It is a tributary of
Afon Dulyn, itself is a tributary of the
river Conwy.
A third is a stream flowing north-west from
Bwlch y Ddeufaen. It is a tributary of the Afon Llanfairfechan, joining it immediately above the village of
Llanfairfechan.