It is on a prominent hill, height 455.8 metres (1,495 ft),[1] in the Clwydian Range; it overlooks the Vale of Clwyd to the west.

At the north-east, at the edge of the steeper slopes, there is a narrow inturned entrance with an oblique approach.

The form of entrance, and the simple plan of the fort, suggest that it is an early example.

In the north and east of the interior there is a broad terrace, and building platforms have been found.

He found traces of a drystone construction, destroyed during the excavation, near the south of the entrance.