The Sirhowy Valley ( ) is an industrialised valley in the eastern part of the Valleys region of

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

. It is named from the

Sirhowy River The Sirhowy River (Welsh language : ''Afon Sirhywi'') is a river in Wales and a tributary of the Ebbw River. Sources The Sirhowy River has its source on the slopes of Cefn Pyllau-duon above Tredegar. After flowing through Siôn-Sieffre's Res ...

() which runs through it. Its upper reaches are occupied by the town of

Tredegar Tredegar (pronounced , ) is a town and community situated on the banks of the Sirhowy River in the county borough of Blaenau Gwent, in the southeast of Wales. Within the historic boundaries of Monmouthshire, it became an early centre of the In ...

within the unitary area of Blaenau Gwent. The valley initially heads south-southeast between the ridges of Cefn Manmoel to the east and Mynydd Bedwellte to the west before turning to a more southerly direction. Its central section is one of the least populated of the Welsh coalfield valleys. The valley enters the unitary area of

Caerphilly Caerphilly (, ; cy, Caerffili, ) is a town and community in Wales. It is situated at the southern end of the Rhymney Valley. It is north of Cardiff and northwest of Newport. It is the largest town in Caerphilly County Borough, and lies wit ...

which contains the towns of Blackwood () and

Pontllanfraith Pontllanfraith ( cy, Pontllanfraith ) is a large village and community located in the Sirhowy Valley in Caerphilly County Borough, Wales, within the historic boundaries of Monmouthshire. It is situated adjacent to the town of Blackwood, with t ...

. It then turns east and joins the valley of the

Ebbw River The Ebbw River (; cy, Afon Ebwy) is a river in South Wales which gives its name to the town of Ebbw Vale. The Ebbw River is joined by the Ebbw Fach River ( Welsh: Afon Ebwy Fach meaning 'little Ebbw river') at Aberbeeg. The Ebbw Fach is itself ...

Ebbw Vale Ebbw Vale (; cy, Glynebwy) is a town at the head of the valley formed by the Ebbw Fawr tributary of the Ebbw River in Wales. It is the largest town and the administrative centre of Blaenau Gwent county borough. The Ebbw Vale and Brynmawr con ...

Crosskeys Crosskeys ( cy, Pont-y-cymer) is a village, community and an electoral ward in Caerphilly county borough in Wales. Etymology The village was originally named Pont-y-cymer and this remains the official Welsh name for the village. The name mea ...

History

The valley's industrial history began with

ironworks An ironworks or iron works is an industrial plant where iron is smelted and where heavy iron and steel products are made. The term is both singular and plural, i.e. the singular of ''ironworks'' is ''ironworks''. Ironworks succeeded bloomeri ...

before evolving to meet the demand for

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dea ...

and the expansion of

coal mining Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from ...

. This process was led by companies such as the

Tredegar Iron and Coal Company : ''For the ironworks in the US state of Virginia, see Tredegar Iron Works.'' Tredegar Iron and Coal Company was an important 19th century ironworks in Tredegar, Wales, which due to its need for coke became a major developer of coal mines and p ...

. Coal mines used to be located throughout the valley, including:

Wyllie Wyllie is a surname. Notable people with the surname include: * Adrian Wyllie (born 1970), American political activist, radio personality, and investigative journalist * Alex Wyllie (born 1944), New Zealand rugby union player and coach * Andrew W ...

;

Nine Mile Point Nine Mile Point Nuclear Station is a nuclear power plant with two nuclear reactors located in the town of Scriba, approximately five miles northeast of Oswego, New York, on the shore of Lake Ontario. The site is also occupied by the James A. ...

and Oakdale. The Sirhowy passes the old Gelligroes Mill near Blackwood along its path. Prior to the

Beeching Axe The Beeching cuts (also Beeching Axe) was a plan to increase the efficiency of the nationalised railway system in Great Britain. The plan was outlined in two reports: ''The Reshaping of British Railways'' (1963) and ''The Development of the ...

, the valley was served by the

Sirhowy Railway The Sirhowy Tramroad was a plateway built to convey the products of ironworks at Tredegar to Newport, South Wales. It opened in 1805 between Tredegar and Nine Mile Point, a location west of Risca, from where the Monmouthshire Canal Company opera ...

. Stations could be found at many points including Nantybwch, Argoed, Blackwood,

and

Ynysddu Ynysddu is a small village and community in the Sirhowy valley of south-east Wales. It is part of the district of Caerphilly within the historic boundaries of Monmouthshire. It lies between to Cwmfelinfach and Wyllie, north of the town of ...

References

{{reflist

External links

The Sirhowy Valley Websitewww.geograph.co.uk : photos of the Sirhowy Valley and surrounding area
Valleys of Blaenau Gwent Caerphilly Valleys of Caerphilly County Borough