is the name of several river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s in Snowdonia

Snowdonia

Snowdonia is a region in north Wales and a national park of in area. It was the first to be designated of the three National Parks in Wales, in 1951.-Name and extent:...

, North Wales

North Wales

North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...

.

One flows from Llyn Cowlyd

Llyn Cowlyd

Llyn Cowlyd is the deepest lake in North Wales. It lies in the Snowdonia National Park on the edge of the Carneddau range of mountains, at a height of above sea level. The lake is long and narrow, measuring nearly long and about a third of a mile wide, and covers an area of...

 on the south-eastern edge of the Carneddau

Carneddau

The Carneddau , are a group of mountains in Snowdonia, Wales. It includes the largest contiguous areas of high ground in Wales and England, as well as six or seven of the highest peaks in the country—the Fourteen Peaks...

 range to join the river Conwy

River Conwy

The River Conwy is a river in north Wales. From its source to its discharge in Conwy Bay it is a little over long. "Conwy" is sometimes Anglicized as "Conway."...

, passing Pont Dolgarrog on the B5106 road, just south of the village of Dolgarrog

Dolgarrog

Dolgarrog is a small village in the Conwy County Borough in North Wales situated between Llanrwst and Conwy, very close to the Conwy River. The village is well known for its industrial history since the 18th century and the Eigiau dam disaster, which occurred in 1925...

. The gorge cut by the river at this point is popular for gorge walking.

Another is a tributary of the River Conwy

River Conwy

The River Conwy is a river in north Wales. From its source to its discharge in Conwy Bay it is a little over long. "Conwy" is sometimes Anglicized as "Conway."...

 near to its mouth.

A third is a coastal stream entering the sea between Abergwyngregyn

Abergwyngregyn

Abergwyngregyn is a village of historical note in Gwynedd, a county and principal area in Wales. Under its historic name of Aber Garth Celyn it was the seat of Llywelyn ap Gruffudd....

 and Llanfairfechan

Llanfairfechan

Llanfairfechan is a town and community in the Conwy County Borough, Wales. It lies on the coast of north Wales on the route of the A55 road, between Penmaenmawr and Bangor. It previously was in Gwynedd and prior to that was in Caernarfonshire. For ceremonial and electoral boundary purposes it was...

.