Marked on 1st edition (1890) OS 25in map as 'Fforch-Cych Mill (Corn)' and on the 2nd edition (1906) as 'Forge-Cych Mill'. Former water powered corn mill, supplied by a 730m long leat from a weir across the Afon Cych. A subsidary leat, 110m long, may have provided water to the adjacent Woollen Factory (nprn 400600).
B.A.Malaws, 14 June 2004.