Penrhiw honestone quarry and mill is extremely difficult to reach being heavily obscured by forest, and almost surrounded by blanket bog - although it did once have a track. SH 722 541 is a general reference for the area. Specific NGR for waste tip is SH 72296 354048
Honestone is the name given to a "bedded fine-grained tuff" (lithified volcanic ash from the Ordovician period. It was used locally for edging scythes and knives, & sent to England for use in sharpening cut-throat razors and edged-tools of various kinds.
Categories & Keywords
Keywords:cymru, dolwyddelan, honestone, moel siabod, ordovician, penrhiw, quarries, quarrying, snowdonia, tuff, wales