Abertridwr, Glamorgan

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Abertridwr is a village in Glamorgan, situated three miles north-west of Caerphilly. Its name is from the Welsh language, meaning 'the mouth of the three waters'. Like many villages and towns in the area, Abertridwr was a coal mining community within the South Wales coalfield.

Windsor Colliery

In 1895 the Windsor Colliery Company started to sink two shafts to a depth of around 2,018 feet. The first coal was raised in 1902,[1] The workings were connected underground to the Universal Colliery in Senghenydd for ventilation purposes.

On 1 June 1902, a platform collapsed in the mine, tipping nine men into 25 feet of water, which had gathered in the sump. Three escaped drowning by clinging onto floating debris, but the other six died.[1]

The colliery was nationalised, and was run by the National Coal Board from 1946. During 1976, it became linked underground with the Nantgarw colliery, and both collieries were worked as one unit, with coal winding and processing via Nantgarw. From 1976, production was concentrated at Nantgarw, with Windsor kept open for ventilation, methane extraction, and as an emergency exit.[2]

The whole Nantgarw/Windsor unit closed on 6 November 1986. The Tyn y Parc housing estate now occupies the site.

Health research

Men from Abertridwr participate in one of the world's longest running epidemiology studies - The Caerphilly Heart Disease Study. Since 1979, a representative sample of adult males born between 1918 and 1938, living in Caerphilly and the surrounding villages of Abertridwr, Bedwas, Machen, Senghenydd and Trethomas, have participated in the study. A wide range of health and lifestyle data have been collected throughout the study and have been the basis of over 400 publications in the medical press. A notable report was on the reductions in vascular disease, diabetes, cognitive impairment and dementia attributable to a healthy lifestyle.[3]


  1. 1.0 1.1 http://www.bbc.co.uk/wales/coalhouse/sites/mines/pages/windsor_colliery.shtml
  2. http://www.welshcoalmines.co.uk/GlamEast/Windsor.htm
  3. The Caerphilly and Speedwell Collaborative Group. (1984 September). "Caerphilly and Speedwell collaborative heart disease studies.". Journal of Epidemiology and Public Health 38 (3): 259–262. PMID 6332166.

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