is a rocky and wooded hillock near Beddgelert in Gwynedd, north-west Wales. Rising some above the floor of the Glaslyn river valley, it overlooks the southern end of Llyn Dinas in Snowdonia.
Little remains of the Iron Age hillfort or castle structures that once stood here, save its stone ramparts and the base of a keep [Grid reference ]. Some believe the castle was erected by Llewelyn the Last to guard the road to the mountain pass of Snowdon.
Little remains of the structures that once stood on the hill. Such remains as are visible today, including three series of ramparts and other walls and some foundations, mostly date to the Middle Ages. Archaeologist H. N. Savory described the fortifications as consisting of stone walls between thick, which exploited every irregularity in the rocky hill-top, enclosing an irregular area of about a in size. The original means of access was by a steep path on the western side of the hillfort. The present entrance from the