sentences:  The translation of Gilfach Goch into English is easily understood ("cil" = nook or secluded area, "bach" = small) but several theories have been put forward as to where the name came from, especially the term "coch" = red.Writing in 1887, Thomas Morgan, put forward the idea that the name was derived from "...a heap of red cinders, which still remains as a memento of the ironworks that stood there in times of yore".Owen Morgan, a local historian, theorised that the area was the location of an ancient site of importance to the local druids.