The River Ystwyth (; cy, Afon Ystwyth "winding river") 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 ...

Ceredigion Ceredigion ( , , ) is a county in the west of Wales, corresponding to the historic county of Cardiganshire. During the second half of the first millennium Ceredigion was a minor kingdom. It has been administered as a county since 1282. Cer ...

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 ...

. The length of the main river is . Its catchment area covers . Its source is a number of streams that include the Afon Diliw, located on the west slopes of Plynlimon on the border of Ceredigion and

Powys Powys (; ) is a county and preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain. Geog ...

in the

Cambrian Mountains The Cambrian Mountains ( cy, Mynyddoedd Cambria, in a narrower sense: ''Elenydd'') are a series of mountain ranges in Wales. The term ''Cambrian Mountains'' used to apply to most of the upland of Wales. Since the 1950s, its application has becom ...

. The Ystwyth flows westwards before its

confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...

with the Afon Rheidol and 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 ...

Aberystwyth Aberystwyth () is a university and seaside town as well as a community in Ceredigion, Wales. Located in the historic county of Cardiganshire, means "the mouth of the Ystwyth". Aberystwyth University has been a major educational location i ...

to drain into

Cardigan Bay Cardigan Bay ( cy, Bae Ceredigion) is a large inlet of the Irish Sea, indenting the west coast of Wales between Bardsey Island, Gwynedd in the north, and Strumble Head, Pembrokeshire at its southern end. It is the largest bay in Wales. Geo ...

. The Ystwyth valley is sparsely populated with villages, namely Ysbyty Ystwyth, Cwm Ystwyth,

Pont-rhyd-y-groes Pont-rhyd-y-groes (also known as Pontrhydygroes, en, the bridge of the ford of the cross) is a village near Cwm Ystwyth and Pont ar Fynach (Devil's Bridge), in Ceredigion, Wales. The village takes its name from the bridge ( cy, pont) and (ear ...

Llanilar Llanilar is a village and community in Ceredigion, Wales, about southeast of Aberystwyth. It is the eponym of the hundred of Ilar. The population at the 2011 census was 1,085. The community includes Rhos-y-garth. Name In Welsh placenames, ma ...

and

Llanfarian Llanfarian is a village, electoral ward and community in the district county of Ceredigion, Mid-Wales, south of the administrative centre Aberystwyth. Llanfarian village lies above the banks of the river Ystwyth in the Ystwyth Valley. The commu ...

. In previous centuries, the valley was relatively densely populated due to its mineral wealth.

Silver Silver is a chemical element with the symbol Ag (from the Latin ', derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical ...

lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, ...

and

zinc Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodi ...

have been mined in the valley since

Roman Roman or Romans most often refers to: * Rome, the capital city of Italy * Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a lett ...

times, an activity that reached its peak in the 18th century. The largest of the very many mines was Cwm Ystwyth Mine. It is reputed that the average age at death of the miners in Cwm Ystwyth was 32, largely because of acute

lead poisoning Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. The brain is the most sensitive. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertil ...

. There is no active metal mining in the Ystwyth valley today. Hafod Uchtryd was a mansion built by Thomas Johnes from 1783, part of it being designed by John Nash. The landscaped gardens were formed by blasting away parts of hills to create vistas. Roadways and bridges were built and hundreds of thousands of trees were planted. The result was a landscape that became famous and attracted many visitors including

Samuel Taylor Coleridge Samuel Taylor Coleridge (; 21 October 177225 July 1834) was an English poet, literary critic, philosopher, and theologian who, with his friend William Wordsworth, was a founder of the Romantic Movement in England and a member of the Lak ...

, and it is believed to have inspired a passage in his poem ''

Kubla Khan ''Kubla Khan'' () is a poem written by Samuel Taylor Coleridge, completed in 1797 and published in 1816. It is sometimes given the subtitles "A Vision in a Dream" and "A Fragment." According to Coleridge's preface to ''Kubla Khan'', the poe ...

''. The house was demolished in 1955, but the landscape remains today. The River still carries elevated levels of lead, zinc and silver in its water, mostly due to seepage from abandoned mine

tailings In mining, tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction ( gangue) of an ore. Tailings are different to overburden, which is the waste rock or other material that ove ...

and discharges from mine

adit An adit (from Latin ''aditus'', entrance) is an entrance to an underground mine which is horizontal or nearly horizontal, by which the mine can be entered, drained of water, ventilated, and minerals extracted at the lowest convenient level. Adit ...

s. At the Frongoch mine near Pont-rhyd-y-groes, Natural Resources Wales has introduced a new technique for reducing the pollution. Water is drawn away from the mine in a leat to a wetland area, where biological processes involving the vegetation immobilise much of the pollutants. A similar approach is being used at Cwm Rheidol mine, near Aberystwyth. These remedies are considered important because the area supports a rich variety of wildlife, as well as bringing anglers and tourists to the area.

References

* Green, John (2006)
''Afon Ystwyth: The Story of a River''
Artery Publications 2006.

External links

{{authority control Aberystwyth Ystwyth Ystwyth