Cwmdare Colliery, Powell's Pit, later Bwllfa No.3 Pit, was sunk in Cwmdare, 1.5 km west of Aberdare, and the first coal was raised in 1856. The colliery was resuscitated around 1906, having been closed, and new buildings erected. The lattice steel headframe over the upcast shaft may date from 1906, contemporary with the winder house (nprn 33699), but a date of 1930 was visible over the sealed shaft entrance. The mine closed finally in 1936 and the headframe was still standing in 1965, but the site was demolished and landscaped in the early 1970s, forming part of the Dare Valley Country Park.
(See also: NMR site file Glamorgan/Industrial/SN90SE: Council for British Archaeology Industrial Archaeology Report Card of 15 July 1965)
B.A.Malaws, RCAHMW, 29 January 2009.