River Seiont
Encyclopedia
Afon Seiont 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 outflow and the village of Llanrug
it is known as the Afon Rhythallt
, changing its name just after the village. Its mouth is in the town of Caernarfon
, forming a natural harbour as it flows out into the Menai Strait. The Afon Nant-Peris provides the main inflow into Llyn Peris
which then drains into Llyn Padarn with the addition of the waters of the Afon Arddu which drains the northern slopes of Snowdon
.
The name of the Roman fort of Segontium
, near Caernarfon, is based on the Latinised form of the name 'Seiont'.
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...
in Gwynedd
Gwynedd
Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated...
, Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...
which runs into the Menai Strait
Menai Strait
The Menai Strait is a narrow stretch of shallow tidal water about long, which separates the island of Anglesey from the mainland of Wales.The strait is bridged in two places - the main A5 road is carried over the strait by Thomas Telford's elegant iron suspension bridge, the first of its kind,...
.
Its source is the outflow of Llyn Padarn
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 and at its deepest point is deep. At its south-eastern end it is linked to the neighbouring Llyn Peris...
near Llanberis
Llanberis
Llanberis is a village in Gwynedd, North Wales, lying on the southern banks of Llyn Padarn in Snowdonia. It takes its name from Saint Peris, an early Welsh saint.According to the United Kingdom Census 2001, the population of Llanberis was 1,954...
, and it flows out in a generally northwest direction. Between the outflow and the village of Llanrug
Llanrug
Llanrug is a large village in Gwynedd, north-west Wales. It lies about 4 miles to the east of Caernarfon, 7 miles south of Bangor and 3 miles to the west of Llanberis. It is the largest populated village in the Arfon area of Gwynedd, Wales. The old name term of the village was initially...
it is known as the Afon Rhythallt
Afon Rhythallt
The River Rhythallt is a river in Gwynedd, North Wales whose source is Llyn Padarn. It flows in a northwesterly direction past the village of Brynrefail, Gwynedd and changes its name to Afon Seiont downstream of Pont Rhythallt in Llanrug. The Afon Seiont eventually reaches the sea at Caernarfon...
, changing its name just after the village. Its mouth is in the town of Caernarfon
Caernarfon
Caernarfon is a Royal town, community and port in Gwynedd, Wales, with a population of 9,611. It lies along the A487 road, on the east banks of the Menai Straits, opposite the Isle of Anglesey. The city of Bangor is to the northeast, while Snowdonia fringes Caernarfon to the east and southeast...
, forming a natural harbour as it flows out into the Menai Strait. The Afon Nant-Peris provides the main inflow into Llyn Peris
Llyn Peris
Llyn Peris is a lake in Snowdonia, Wales, approximately 1.8 km long and situated close to the villages of Llanberis and Nant Peris. The lake was formed glacially and is an example of a moraine-dammed lake. Llyn Peris is named after Saint Peris, an early Christian saint of whom little is known...
which then drains into Llyn Padarn with the addition of the waters of the Afon Arddu which drains the northern slopes of Snowdon
Snowdon
Snowdon is the highest mountain in Wales, at an altitude of above sea level, and the highest point in the British Isles outside Scotland. It is located in Snowdonia National Park in Gwynedd, and has been described as "probably the busiest mountain in Britain"...
.
The name of the Roman fort of Segontium
Segontium
Segontium is a Roman fort for a Roman auxiliary force, located on the outskirts of Caernarfon in Gwynedd, north Wales.It probably takes its name from the nearby River Seiont, and may be related to the Segontiaci, a British tribe mentioned by Julius Caesar. The fort was founded by Agricola in 77 or...
, near Caernarfon, is based on the Latinised form of the name 'Seiont'.