Glenavon Garw Collieries Limited

Owned by R. McEwen and W. F. Gibb of Port Talbot; opened and operated Glenrhondda Colliery from 1911.

Mines operated

Mine	Region	Years
Glenrhondda Colliery	Rhondda Cynon Taf	1911–1947

Record created: 1 September 2026 · Last researched: 1 September 2026