An archaeological dig at 13th Century Chirk Castle is trying to determine the age of Britain’s longest ancient monument.
Offa’s Dyke runs 177 miles (285km) from Chepstow to Prestatyn and takes its name from the 8th Century Anglo-Saxon king of Mercia.
It is believed Offa built the dyke as a border between his kingdom and Wales.
However, opinion is divided about the actual age of the dyke, part of which runs through the castle’s grounds.
Continue reading – Chirk Castle dig tries to unearth origins of Offa’s Dyke