One of a series of stones set up to mark the boundary of Dinas Mawddwy manor, which was purchased in 1856 by Edmund Buckley for his son, also Edmund. A slate monolith with rounded top, 0.38m high, 0.38m wide and 0.1m thick, leaning at an angle of 45 degrees. It is engraved 'EB'. As well as marking an estate boundary, the stone also marks the boundary of Mawddwy and Corris parishes.
Recorded as part of RCAHMW Uplands Initiative Project, W B Horton, H&H, 20/09/2012.