There is some evidence that a fort preceded the town, but it has not been proven.
http://www.pastscape.org.uk/hob.aspx?hob_id=238093
There is some evidence that a fort preceded the town, but it has not been proven.
http://www.pastscape.org.uk/hob.aspx?hob_id=238093
Iron Age hill fort.
Iron Age Settlement
Iron Age hill fort