Eagle-eyed people will notice that Hafod appears twice on the map. The one to the southwest of Porth is actually Cilely.

Collieries after Nationalisation in 1947

Dates in brackets indicate the date that the colliery merged with another
Name Opened Closed (Merged)
Abergorki 1918 August 1967
Cilely 1875 October 1950
Coedely 1910 (June) (1977) Merged with Cwm
Cwm 1909 November 1986
Cwmcynon 1889 January 1949
Ferndale, No.1 1857 August 1959
Ferndale, No.5 1885 August 1959
Gelli 1870 January 1962
Hafod 1850 1983
Lady Lewis 1904 1960
Lady Windsor 1884 (March) (1975) Merged with Abercynon
Lady Windsor-Abercynon 1884 February 1988
Lewis Merthyr 1850 (December) (1960) Merged with Tymawr
Llanharan 1922 August 1962
Llwynypia, No.4 1925 1965 [Pumping Station]
Maritime 1889 June 1961
National 1881 November 1968
Naval 1885 October 1958
Nebo 1924 July 1953
Penrhiwceiber 1872 October 1985
Trane 1915 (1952)
Tylorstown [Ferndale], No.9 1905 October 1960
Tymawr 1890 June 1983
Ynishir 1849 1960

Collieries closed before 1947

Brynna Colliery Llanharan
Caerlan Colliery Tonyrefail
Cardiff Navigation Colliery Llantrisant
Collena Colliery Tonyrefail
Cwmciwc Colliery Llanharan
Gelynog Fawr Colliery Llantrisant
Jones Navigation Colliery Ynishir
Llanharry Colliery Llantrisant
Llantrisant Colliery Llantrisant
Llantwit Collieries Llantrisant
Merios Colliery
Rihwgarn Colliery Tonyrefail
South Rhondda Colliery Llanharan
Standard Colliery Ynishir

Small Collieries of the Ely valley and surroundings

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