Bertie Pit

The Bertie shaft, Lewis Merthyr Colliery was completed c1880. Bertie and the adjacent Trefor shafts were sunk by William Thomas Lewis, later Lord Merthyr and named after his sons. By 1896 there were 1532 men employed producing coal for the then named Merthyr Navigation Collieries. Bertie pit produced steam coal and Trefor pit produced house coal.Coal winding finished at this shaft with closure of the pit taking place in 1983. The colliery site now forms part of Rhondda Heritage Park.