Historic Landscape Characterisation: The Rhondda - on the CADW site.
Fully explore the site - there are separate detailed sections for places in the area
Transcript of complete name listing for Treherbert and Ystrad-Rhondda, with the parish and hamlets of Ystradyfodwg, Blaen-y-cwm, Blaen-y-Rhondda, Cwmdare, Cwmpark, Llwynpia, Pen-y-griag, Penyrenglyn, Pentre, Ton-pentre-ystrad, Ton-y-pandy, Treorky, Tynewydd and Tynybedw, from Slaters Directory for 1880.
Tydraw Colliery, Blaen y Cwm (near Treherbert) on the Welsh Coal Mines site
Blaencwm in the Parish of Ystradyfodwg [Last Updated : 7 Dec 2005 - Gareth Hicks]