Afon Rhythallt

The River Rhythallt (

Welsh Welsh may refer to: Related to Wales * Welsh, of or about Wales * Welsh language, spoken in Wales * Welsh people, an ethnic group native to Wales Places * Welsh, Arkansas, U.S. * Welsh, Louisiana, U.S. * Welsh, Ohio, U.S. * Welsh Basin, during t ...

: Afon Rhythallt) is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Gwynedd Gwynedd () is a county in the north-west of Wales. It borders Anglesey across the Menai Strait to the north, Conwy, Denbighshire, and Powys to the east, Ceredigion over the Dyfi estuary to the south, and the Irish Sea to the west. The ci ...

North Wales North Wales ( ) is a Regions of Wales, region of Wales, encompassing its northernmost areas. It borders mid Wales to the south, England to the east, and the Irish Sea to the north and west. The area is highly mountainous and rural, with Snowdon ...

whose source is

Llyn Padarn Llyn Padarn is a glacially formed lake in Snowdonia, Gwynedd, north Wales, and is an example of a moraine dammed lake. The lake is approximately long (about ) and at its deepest point is deep, and is one of the largest natural lakes in Wales. ...

. It flows in a northwesterly direction past the village of

Brynrefail, Gwynedd Brynrefail (also Bryn-yr-Efail) is a small village in Gwynedd, Wales. The village is in the Arfon (UK Parliament constituency) and the Gwynedd Council Ward of Penisa'r Waun. It is close to the northern shore of Llyn Padarn lake. Along the main s ...

and changes its name to

Afon Seiont Afon Seiont ( Welsh, meaning 'River Seiont' in English) is a river in Gwynedd, Wales which runs into the Menai Strait. Its source is the outflow of Llyn Padarn near Llanberis, and it flows out in a generally northwest direction. Between the ...

downstream of Pont Rhythallt in

Llanrug Llanrug (or Llanfihangel-yn-y-grug) is a medium-sized village and community (Wales), community in Gwynedd, north-west Wales. It lies about to the east of Caernarfon, south of Bangor, Gwynedd, Bangor and northwest of Llanberis. It is the larg ...

. The Afon Seiont eventually reaches the sea at

Caernarfon Caernarfon (; ) is a List of place names with royal patronage in the United Kingdom, royal town, Community (Wales), community and port in Gwynedd, Wales. It has a population of 9,852 (with Caeathro). It lies along the A487 road, on the easter ...

. The river has a broad

flood plain A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...

which occasionally threatens homes in the village of

Cwm-y-glo Cwm-y-glo is a small village in Wales, east of Caernarfon, between Llanberis and Llanrug. It is in the Arfon Parliamentary constituency, the community of Llanrug, and the Gwynedd Council electoral ward. Cwm-y-glo ward includes Ceunant a ...

. Llanberis Llanddeiniolen Llanrug Rivers of Gwynedd {{Wales-river-stub