Cefn Glas

To the east of Moel Siabod (872m tall)and a few hunderd metres north of Afon Ystumiau are two Bronze age cairns. The S.W cairn is 16m across and almost 2m tall with a large stone cist at it’s centre, the N.E cairn is slightly smaller at 9.5m across and only half a mtre tall, but also with a cist at it’s centre.
A little to the north are some perhaps related Bronze age hut circles.