 Mawphlang was the centre of Presbyterian Church of Wales missionary and medical activity in the Khasi Hills during the 1890s.A dispensary and then clinic were established in 1878 by Dr Griffith Griffiths of Brynmawr, Aberdaron who died at Mawphlang, 22 April 1892.After Griffiths came William Williams (missionary) who also died at Mawphlang.