Tucked between buildings in modern-day Chepstow, the remains of this late Iron Age promontory fort are easy to miss at first glance.
Yn swatio rhwng adeiladau yng Nghas-gwent yr oes gyfoes, hawdd yw anwybyddu olion y gaer bentir hon o ddiwedd yr Oes Haearn ar yr olwg gyntaf.