The town walls around the high ground near the castle also did much to protect the castle from invaders, although nothing remains of these town walls today. Over the centuries the castle was visited by numerous nobles and monarchs such as King Richard II and Oliver Cromwell.
The defensive structures surrounding the high ground near the fortress significantly contributed to the castle's protection from invaders, although they no longer exist today. Throughout its long history, the castle has hosted numerous nobles and monarchs, including prominent leaders like King Richard II and Oliver Cromwell.