The ( en, River Lledr, italic=yes) is a river in north-west

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

and the second major tributary of the

River Conwy , name_etymology = , image = Boats in River Conwy.jpg , image_size = 300 , image_caption = Boats in the river estuary at Conwy , map = , map_size = , map_caption = , push ...

. It is about 10 miles or 16 km long, and flows in a generally easterly direction. The has its source on the eastern slopes of , which lies about 3 km NE of . It initially flows in a north-easterly direction towards , where joins it, then flows under the

Roman Bridge The ancient Romans were the first civilization to build large, permanent bridges. Early Roman bridges used techniques introduced by Etruscan immigrants, but the Romans improved those skills, developing and enhancing methods such as arches and ...

( cy, Pont-y-Sarn-Ddu) and past , where joins it. It continues to the north-east past and then east along the Valley, running parallel to the

A470 The A470 (also named the Cardiff to Glan Conwy Trunk Road) is a trunk road in Wales. It is the country's longest road at and links the capital Cardiff on the south coast to Llandudno on the north coast. While previously one had to navigat ...

and the railway line from to . This line has stations in the Valley at

, , and . The river joins the River Conwy to the south of . River Lledr on Railway Line

References

{{Authority control Rivers of Conwy County Borough Rivers of Snowdonia