The Llynfi Valley had a number of pits working through the years and numerous levels (drift mines). The deep pits included:
Garth – sunk in 1864 and closed in 1930
Coegnant – sunk in 1882 and closed in 1981
Caerau – sunk in 1889 and closed in 1979
Oakwood – sunk in 1868 and closed in 1928/9
St.John’s – sunk in 1908 and closed in 1985 (the last deep mine in the Llynfi Valley)
Click on the images to find out more about them.