Afon Twymyn
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The Afon Twymyn (Template:Lang-en) is a river in Powys, Mid Wales.
From its source at the 40-metre high Ffrwd Fawr waterfall and head of the Pennant Valley near Dylife the river flows through Llanbrynmair before joining the River Dyfi upstream of Cemmaes Road.
See also
52°38′N 3°44′W / 52.633°N 3.733°W