Clydach Vale

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Clydach Vale
Clydvale school.jpg
A view of Clydach Vale—school in foreground
Grid reference: SS982930
Location: 51°37’36"N, 3°28’19"W
Population: 2,799  (2011[1])
Post town: Tonypandy
Postcode: CF40
Dialling code: 01443
Local Government
Council: Rhondda Cynon Taf

Clydach Vale is a village adjoining Tonypandy in the Rhondda Valley, Glamorgan. It is named for its situation on the Nant Clydach, a tributary of the River Rhondda.

Integration of villages

Before the coming of industrialisation, Clydach Vale was a sparsely populated agricultural area. Records show that in the seventeenth century the area was named Dyffryn Clydach (Clydach Vale), and was divided into two areas, Cwmclydach and Blaenclydach. Those two localities are today very much integrated. The Cwmclydach Community Partnership is made up of groups from both villages (and the wider community), plus the Clydach Vale Countryside Park and Mountain Forestry.

Cwmclydach Countryside Park and mountain forestry

Clydach Vale Countryside Park lies between Cwmclydach's two lakes and is a haven for birds, flowers and butterflies. Two main routes are available for walkers and cyclists, with several access routes on to the surrounding mountains.


In the 1840s coal mining began in the valley, but this was on a small scale and no pits were sunk at this time. Towards the end of the century there was a marked increase in mining activity, several collieries being opened, including Lefel-Y-Bush (1863), Blaenclydach (1863), Cwmclydach (1864) and Clydach Vale Colleries Nos. 1, 2 and 3.

Industrial conflict

The Clydach Vale colleries would later become synonymous with worker activism within the South Wales coalfield. Opened in 1872, the Clydach Vale colliery No. 1 was originally sunk by Osbourne Riches and Samuel Thomas and, by 1894, was served by the Taff Vale Railway. Following the death of Thomas in 1879, his sons became managing partners and, in 1895, formed Cambrian Colleries Ltd. The Cambrian Collieries were a focus for disputation between active trade unions such as the South Wales Miners' Federation and the Cambrian Combine, a business network of mining companies, formed to regulate prices and wages in south Wales. A bitter clash between them resulted in the 1910 Tonypandy Riot.

Colliery disasters

On 10 March 1905, an explosion occurred at the Cambrian Colliery No.1. The explosion was heard for miles around the valleys and resulted in the loss of 33 lives and serious injury to 14 others. The accident happened between the day and night shifts, otherwise the death toll would have been far higher.[2][3]

On 25 November 1941, seven men were killed and 53 were injured when a trolley transporting miners down a sharply sloping shaft ran out of control.[4] The incident happened at the 'Gorky' drift mine, with ninety men and boys taking the spake, an open-sided trolley fitted with cross planks for seating and a central overhead handrail as a holding point, down to the workings 525 yards below. The surface engineman suffered a temporary blackout and the manual brake was disengaged, causing the spake to quickly build up speed. Most of the injuries and fatalities were to miners who leapt from the spake and were thrown back under the trolley due to the narrowness of the drift shaft.[4]

On 17 May 1965, a third major accident occurred at the Cambrian Colliery. An explosion caused by firedamp, after poor ventilation allowed a build-up of flammable gas, killed 31 miners. The ignition point was later identified as an electric arc on an open switch-panel which was being worked on. This was the last major mining disaster in South Wales history.[2]

1910 flood disaster

Commemorative plaque and photo montage at Clydach Vale School
At about 4.00 p.m. on Friday 11 March 1910, the lives of one adult and five children were lost when pent-up water from an abandoned coalmine burst through into the village.
The mountainside seemed to give way, 'as though from a volcanic eruption' and a torrent of water together with huge amounts of earth, boulders and other debris swept down the hillside. Directly in the path of this torrent lay Adams Terrace and, according to contemporary newspaper reports, the first house it encountered 'was in a moment completely wrecked like a pack of cards' and its occupants Mrs. Elizabeth Ann Williams and her ten-week-old baby girl perished.[2]
A three-week-old baby boy also died. The newspaper went on to state that, 'Altogether eleven houses and a shoemaker's shop were wrecked, one being completely washed away'.

Rushing down to the valley floor, the torrent inundated the Clydach Vale School and trapped hundreds of children. Fortunately the time coincided with the homecoming of many miners at the ending of a shift and an immediate rescue effort by them and the school's staff saved all but three of over 950 children.[2][5] In particular, headmaster Robert Ralph Williams displayed extraordinary bravery in battling the flood and saving many children, for which he was later awarded the Albert Medal.[6]

A brass wall plaque was placed in the school in recognition of the discipline and heroism of the staff in organising the rescue. In preparation for the 2010 centenary of the disaster, another plaque, with names of the dead, was installed at the school together with a montage of photographs showing the aftermath of the flood.


Clydach Vale is home to football team Cambrian & Clydach Vale B. & G.C. The village also has a rugby union club, Cambrian Welfare RFC.

Notable residents

  • Tommy Farr, heavyweight boxing champion
  • Dr David Jenkins CBE, a former Librarian of the National Library of Wales, born in adjoining Blaenclydach
  • Lewis Jones, political activist, writer of Cwmardy and We Live
  • Rhys Davies, novelist, born at 6 Clydach Road, Blaenclydach[7]
  • Lewis Davies librarian and philanthropist[8]
  • Tom Norris, heavyweight boxing champion

Images of Clydach Vale

Impacts on landscape and society of a century of coalmining are not fully obliterated, though surrounding slagheaps have been greened by environmental programmes. Former miners' cottages are renovated as low-cost housing for a new generation of young families.


  1. "Community population 2011". Retrieved 15 November 2015. 
  2. 2.0 2.1 2.2 2.3 Clydach Vale history on website of Rhondda Cynon Taf Council
  3. Rhondda Pit Calamity Cambrian, Swansea 17 March 1905, p.3
  4. 4.0 4.1 Richards, Bill (2003). Coal, Carpets and Choirs. Rhondda: Bill Richards. p. 83. ISBN 0-9545695-0-4. 
  5. Photo coverage of flood and other items of Clydach Vale history, from Rhondda Cynon Taf Library collection
  6. Welsh School Hero Receives the Civilians' "V.C." South Wales Daily Post, 31 December 1910 p.5, at Welsh Newspapers Online, National Library of Wales
  7. Meic Stephens, ‘Davies, Rhys (1901–1978)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 24 April 2010
  8. Meic Stephens Lewis Davies: Philanthropist and librarian whose generosity benefited many Welsh writers obituary at The Independent, 27 December 2011. Accessed 6 March 2012