This was an early twelfth century earthwork site and a square stone keep, round tower and parts of a curtain wall survive. The castle is rectangular with curtain wall and towers with a three story gatehouse, great hall and overlooks the River Usk . It is located on the B4598 at Usk east of Pontypool.
Image: Usk Castle J S Prout.circa 1838 image courtesy The National Library of Wales (3375712)