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Welsh: Treorci
Treorchy is located in Rhondda Cynon Taf
 Treorchy shown within Rhondda Cynon Taf
Population 7,694 (2011)[1]
OS grid reference SS955965
Principal area Rhondda Cynon Taf
Ceremonial county Mid Glamorgan
Country Wales
Sovereign state United Kingdom
Post town TREORCHY
Postcode district CF42
Dialling code 01443
Police South Wales
Fire South Wales
Ambulance Welsh
EU Parliament Wales
UK Parliament Rhondda
Welsh Assembly Rhondda
List of places
Rhondda Cynon Taf

Coordinates: 51°39′34″N 3°30′20″W / 51.6594°N 3.5055°W / 51.6594; -3.5055

Treorchy (Welsh: Treorci) is a village, although it used to be and still has characteristics of a town, in the county borough of Rhondda Cynon Taf, Wales, lying in the Rhondda Fawr valley. Treorchy is also one of the 16 communities of the Rhondda, taking in the near villages of Cwmparc and Ynyswen.


Treorchy is said to take its name from the stream that flows from the mountainside above the village into the River Rhondda; the 1875 Ordnance Survey map of the area refers to the stream is referred to as ‘Nant Orky'. The word Gorchi possibly comes from the Welsh word Gorchwy, suggesting a stream marking a boundary. Prior to industrialisation the tithe maps of the area show an unpopulated area of scattered farmhouses, such as Abergorchwy, Tile-du, and Glyn Coli. The area was predominantly meadows, pastures and woodland and farmed by tenant farmers such as Walter Edwards, Llewellyn Lewis and Mary Evans. Much of the land, in common with most of the Rhondda at that time, was owned by one of the great families of Glamorgan with much of Treorchy coming under the domain of the Marquess of Bute Estate.[2] The discovery of coal in the Rhondda Valley transformed the locality and within the decades after 1851 Treorchy became a densely populated industrial town.

Treorchy was established when the Abergorki Colliery, situated in Cwm Orci to the north, was opened as a level in 1859 by a Mr Huxham, a former manager of the Bute Merthyr Colliery. This was sold to J. H. Insole of Cymmer in 1862.[3] The first deep mine in Treorchy was sunk in the 1860s by David Davies of Llandinam who would later own the Ocean Coal Company.[4] The initial development of the town was linear, based on the main road through the valley, but by 1875 a grid pattern of streets was emerging.[3]

The town grew around the coal mining industry during the late nineteenth and early twentieth century, but by the end of the twentieth century all the local pits had closed, creating an economic downturn in the community.


Pre-industrial Rhondda was a Welsh-speaking community and the Welsh language continued to be widely spoken in the valley, and particularly in the upper villages of the Rhondda until the mid-twentieth century. Many of the original migrants to the Rhondda were from rural Wales but a higher proportion came from England than was the case in those valleys that were industrialised earlier. In 1901 64.4% of the population of the Rhondda Urban District were recorded as Welsh-speaking but this proportion fell to 56.6% by 1911.[5]

The proportion of Treorchy's population able to speak Welsh fell to around 45% in 1921 and to less than 30% by 1951. In 1971, 20.3% of Treorchy's population were recorded as Welsh-speaking, which was a higher proportion than in any other ward within the Rhondda Municipal Borough.

A Welsh-medium primary school, Ysgol Gymraeg Ynyswen, is situated in the nearby village of Ynyswen. The school was established in 1950 and was the first Welsh-medium school in the Rhondda. It serves Treorchy and the surrounding villages, including Treherbert, Cwmparc, Penyrenglyn and Blaencwm.


Treorchy was, for many years, a town that relied on the coal mines such as Abergorki, Tylecoch, Parc and Dare collieries. All of the collieries had closed by the end of the 1970s, leaving many to find new work. Treorchy became a commuter village, with the working population seeking employment in the larger towns and cities that surround it, such as Cardiff and Bridgend. The work in Treorchy now is mostly retail.


In its early days as an industrial settlement, Treorchy was considered a nonconformist stronghold, with many chapels, the largest of which was Noddfa, a Welsh Baptist chapel which could seat upwards of a thousand people and which had a proud choral tradition.


Treorchy has two main schools: Treorchy Primary School and Treorchy Comprehensive. The primary school is not on the original site of Treorchy Boys and Treorchy Girls schools, but is built 100m further along Glyncoli Road. It is built to the original plans used on many of the older schools in the upper Rhondda.

Treorchy Comprehensive school was built on the old site of the Tylecoch colliery. Its western athletics track was named the "Red Ash", being the remnants of the mine shaft. This was removed in 2006 to build an astroturf sportsfield. The school is officially 500m from the main gate to the rear gate, and runs from Chepstow Road, Cwmparc, to the Tylecoch Bridge, Treorchy.


Bwlch-y-Clawdd Road and Treorchy

There are several roads linking Treorchy to other towns and villages. The A4061 leads over the Bwlch y Clawdd Pass, and by this road it is possible to travel to Bridgend via the Ogmore Vale and to Maesteg and Port Talbot. Within the Rhondda Fawr Valley, taking the A4061 northwards leads to the end of the valley, at Treherbert, and ultimately to Hirwaun, which is at the junction of the Head of the Valleys Road, and just south of the Brecon Beacons National Park. Following the valley's course southward on the A4058, one reaches Llwynypia, Tonypandy, Porth and Pontypridd, where one can use the A470 to reach Cardiff.

Treorchy also has its own railway station, which is located on the Rhondda Line, which has regular services up the line to Treherbert railway station and also to Cardiff Central run by Arriva Trains Wales.

Treorchy is served by buses operated by Stagecoach in South Wales to Blaenrhondda, Blaencwm, Treherbert, Tonypandy, Porth, Pontypridd and Caerphilly. On summer Sundays, Veolia provides a service to Bridgend (via the Ogmore Valley) and Brecon under the Shamrock Travel branding.

Entertainment and social history[edit]

The Parc and Dare Hall (June 2008)

Attractions in the town include the Parc and Dare Hall, home of the Treorchy Male Choir and the Parc and Dare band.[6] The hall also provides entertainment as a venue for cinema, theatre and pantomime, and for school eisteddfodau and other performances.

Treorchy hosted the National Eisteddfod in 1928, the only time the event has been held in the Rhondda.


Treorchy RFC is the rugby union club, nicknamed the Zebras.

Notable people[edit]


  1. ^ "2011 Census: Census Area Statistics". Office for National Statistics. Retrieved 3 January 2014. 
  2. ^ "Our Past". RCT Library Services. Retrieved 27 January 2014. 
  3. ^ a b "Historic Landscape". Glamorgan-Gwent Archaeological Trust. Retrieved 28 January 2014. 
  4. ^ The Welsh Academy Encyclopaedia of Wales. John Davies, Nigel Jenkins, Menna Baines and Peredur Lynch (2008) pg750 ISBN 978-0-7083-1953-6
  5. ^ Jones. Statistical Evidence. p. 44. 
  6. ^ The Parc & Dare Band at

External links[edit]


  • Jones, Dot (1998). Statistical Evidence relating to the Welsh Language 1801–1911. Cardiff: University of Wales Press. ISBN 0708314600.