Ad Gefrin is the site of a 6th-century royal township of the Northumbrian Kings. The site is recorded by the Venerable Bede as the place where Bishop Paulinus converted the pagan Northumbrians and undertook mass baptisms. It was later destroyed in attacks by King Cadwallon of Wales and King Penda of Mercia. B6351, Wooler, Northumberland, England, NE71 6HF
A group of five standing stones form part of a Bronze Age stone circle just outside the village of Duddo, Northumberland. The stones are set in a beautifully scenic location with views north to the Eildon Hills in Scotland. B5364, Duddo, Northumberland, England
Two standing stones are all that remain of a Bronze Age stone circle, located directly south of Hadrian's Wall. There were originally 15 stones, and the socket holes for the missing stones still exist below ground level. B6318, Haltwhistle, Northumberland, England
Yeavering Bell is the largest Iron Age hill fort in Northumberland, situated atop a high hill on the edge of the Cheviot Hills, within the Northumberland National Park. The 'Bell' is actually the entire hill, at the top of which is an area of about 5.6 hectares surrounded by a stone wall which originally stood to a height of 2.5 metres and is up to 4 metres in width.