Pit with tunnel access. (outlier of Bryn-mawr), remains of pit, dressing shed vestiges (Richards, A. 1999. The Slate Regions of North and Mid Wales. Gwasg Carreg Gwalch, pg36:37Richards, A. 1999. The Slate Regions of North and Mid Wales. Gwasg Carreg Gwalch, pg41). The site has been subject to survey prior to the OAN Site visit 2007. Site not visited as the site lay within forestry plantation.
