The Afon Glaslyn (

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...

, ''River Glaslyn'') is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, an ...

, north-west

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

. While not of great significance in terms of its length (about ), it is one of Gwynedd's primary rivers, and has greatly influenced the landscape in which it flows. It has its source in

Glaslyn Glaslyn ( cy, Blue lake) is a lake in the Snowdonia National Park in Gwynedd, north-west Wales. It is found at approximately above sea level in a cwm on the eastern flanks of Snowdon. It is a rough ellipse in shape, about east–west and a ...

, a

cirque A (; from the Latin word ') is an amphitheatre-like valley formed by glacial erosion. Alternative names for this landform are corrie (from Scottish Gaelic , meaning a pot or cauldron) and (; ). A cirque may also be a similarly shaped landf ...

lake on the flanks of

Snowdon Snowdon () or (), is the highest mountain in Wales, at an elevation of above sea level, and the highest point in the British Isles outside the Scottish Highlands. It is located in Snowdonia National Park (') in Gwynedd (histori ...

. It is joined by Nant Traswnant which drains

Pen-y-Pass Pen-y-Pass is a mountain pass in Snowdonia, Gwynedd, north-west Wales. It is a popular location from which to walk up Snowdon, as three of the popular routes (the Miners Track, the Pyg Track and the ascent via Crib Goch) can be started here. ...

and by Nant Cynnyd before entering the beautiful

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

, Llyn Gwynant. The river then flows through

Llyn Dinas Llyn Dinas is a lake near Beddgelert, Gwynedd in north Wales. It is formed by the River Glaslyn. Llyn Dinas lies on the valley floor a few miles north of Beddgelert at an altitude of about 55 metres above sea level. It has an area of and is fa ...

before entering the village of

Beddgelert Beddgelert () is a village and community in the Snowdonia area of Gwynedd, Wales. The population of the community taken at the 2011 census was 455, and includes Nantmor and Nant Gwynant. It is reputed to be named after the legendary hound ...

. In the middle of the village it is joined by the substantial

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drai ...

, the River Colwyn which drains the south-western flank of Snowdon. The much enlarged river flows down past

Gelert Gelert () is a legendary wolfhound associated with the village of Beddgelert (whose name means "Gelert's Grave") in Gwynedd, north-west Wales. In the legend, Llywelyn the Great returns from hunting to find his baby missing, the cradle overturne ...

's grave before tumbling down into the Aberglaslyn Pass. This is a small rocky

gorge A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency to cu ...

close to the main road which provides easy public access to a most picturesque piece of

Snowdonia Snowdonia or Eryri (), is a mountainous region in northwestern 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 It was a commonly held belief that the na ...

n scenery. Passing through Pont Aberglaslyn, the river emerges from the gorge into the relatively flat agricultural land of

Tremadog Tremadog (formerly Tremadoc) is a village in the community of Porthmadog, in Gwynedd, north west Wales; about north of Porthmadog town-centre. It was a planned settlement, founded by William Madocks, who bought the land in 1798. The centre ...

and

Porthmadog Porthmadog (; ), originally Portmadoc until 1974 and locally as "Port", is a Welsh coastal town and community in the Eifionydd area of Gwynedd and the historic county of Caernarfonshire. It lies east of Criccieth, south-west of Blaenau F ...

. This wide flat valleynow called Traeth Mawrwas once the

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...

of the Glaslyn before the Porthmadog Cob was created. This sealed off the mouth of the estuary, enabling the land to be reclaimed. Once the river has crossed under the railway line, it

meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex ban ...

s in large pools and

marsh A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found ...

es before eventually passing through the tidal sluices on the Cob at the south-eastern end of the town of Porthmadog, and from there into

Tremadog Bay Tremadog Bay is a large inlet of Cardigan Bay, defined by the north Cambrian Coast and the Llŷn Peninsula of north Wales. The Afon Glaslyn flows into the north of the bay and Saint Tudwal's Islands lie at the western end of the bay. Pwllheli, ...

. Further south, the

River Dwyryd The River Dwyryd ( cy, Afon Dwyryd, meaning a river of two fords) is a river in Gwynedd, Wales which flows principally westwards; draining to the sea into Tremadog Bay, south of Porthmadog. Geography The Dwyryd rises in the hills to the north ...

also drains into Tremadog Bay. The first pair of breeding

osprey The osprey (''Pandion haliaetus''), , also called sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor reaching more than in length and across the wings. It is brown o ...

s in Wales nest at Pont Croesor about upstream from Porthmadog where the

RSPB The Royal Society for the Protection of Birds (RSPB) is a charitable organisation registered in England and Wales and in Scotland. It was founded in 1889. It works to promote conservation and protection of birds and the wider environment th ...

have set up observation facilities. They first bred in 2005 and have returned every year since. Fishing on the Glaslyn up to Beddgelert is controlled by the Glaslyn Angling Association.

References

External links

www.geograph.co.uk : photos of Afon Glaslyn
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See also

References

External links