Mae'r dudalen hon yn ddangos cynnwys Saesneg gan nad oes y cyfreithiad Cymraeg ar gael ar hyn o bryd
Celtic Energy
East Pit East Opencast Coal Site is situated on the northern outcrop of the South Wales coalfield in the upper Amman Valley near the villages of Tairgwaith, Brynamman and Cwmllynfell where the mine produces high quality anthracite coal from the twelve individual coal seams that are lying up to one hundred and fifty metres below the surface.