River Elwy

River Elwy
A view of the river in the 1860s by Francis Bedford (1816–1894)
Map
Native nameAfon Elwy (Welsh)
Location
CountryWales
Physical characteristics
Source 
 • locationLlangernyw
Mouthconfluence with River Clwyd

The River Elwy (Welsh: Afon Elwy) is a river in Wales forming a tributary to the River Clwyd. Though the source of the river may be on the northern flank of Moel Seisiog, south-east of Llanrwst, the river only receives the name Elwy at the village of Llangernyw, where three rivers meet.