The Nant Llwydiarth is a small river in Mid Wales. It flows from the southern flank of Mynydd Hendre-ddu down to Pont Cymerau, north-east of Aberllefenni.[1] Here it joins the Nant Ceiswyn to form the Afon Dulas that flows south to the Afon Dyfi. There was an ancient bridge at Pont Cymerau.[2]

Nant Llwydiarth
The Nant Llwydiarth below Llwydiarth Hall
Location
Country	Wales
Physical characteristics
Source	Mynydd Hendre-ddu
• elevation	1,200 ft (370 m)
Mouth
• location	Pont Cymerau, Aberllefenni
• coordinates	52°40′40″N 3°48′30″W

References