Denbigh Castle is one of the fortresses built after the 13th-century conquest of Wales by Edward I. It was defended by a unique triple-towered gateway.
The castle stands on a rocky promontory above the Welsh market town of Denbigh, Denbighshire. It was built on the site of a former Welsh stronghold controlled by Dafydd ap Gruffydd, the brother of Llywelyn the Last.
Denbigh castle is now managed by Cadw and is open to the public.