Battle of Heavenfield

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Battle of Heavenfield
Cross at Heavenfield (geograph 3191606).jpg
Heavenfield: cross and battlefield
near Hexham (today part of Northumberland, England)

55°01′13″N 2°06′02″W / 55.0203°N 2.1005°W / 55.0203; -2.1005
Result Northumbrian victory
Kingdom of Northumbria Kingdom of Gwynedd
Commanders and leaders
King Oswald Cadwallon ap Cadfan 
700 1,000
Casualties and losses
less than 200 killed 800 killed

The Battle of Heavenfield was fought in 633 or 634 between a Northumbrian army under Oswald of Bernicia and a Welsh army under Cadwallon ap Cadfan of Gwynedd. The battle resulted in a decisive Northumbrian victory. The Annales Cambriae (Annals of Wales) record the battle as Bellum Cantscaul in 631. Bede referred to it as the Battle of Deniseburna near Hefenfelth.


An alliance between Cadwallon of Gwynedd and King Penda of Mercia had led to an invasion of Northumbria. This was an odd alliance between a Christian king of Brythonic descent and a pagan king of Anglian descent. At the Battle of Hatfield Chase on 12 October 633, the invading Welsh and Mercians had killed Northumbrian king Edwin and Northumbria was split between its two sub-kingdoms, Bernicia and Deira. Cadwallon's army laid waste to Northumbria.

Eanfrith, who had been exiled under Edwin, became king of Bernicia, whilst Deira was ruled by Osric, a cousin of Edwin. Eanfrith's reign was short, as he was killed by Cadwallon whilst trying to negotiate peace.[citation needed] According to Bede, Osric was killed by Cadwallon whilst trying to besiege him. Eanfrith's brother, Oswald, then returned from seventeen years exile in Dál Riata to claim the crown of Northumbria. However, the threat of Cadwallon lingered and Oswald had to raise an army as soon as possible to deal with his invading force.

The battle[edit]

It seems that the Welsh army advanced northward from York along the line of Dere Street. Oswald, who may have been accompanied by a force of Scots, took up a defensive position beside the Roman Wall, about 6 km (4 mi) north of Hexham. It was claimed that the night before the battle, Oswald had a vision of Saint Columba, in which the saint foretold that Oswald would be victorious. Oswald placed his army so that it was facing east, with its flanks shielded by Brady's Crag to the north and the Wall to the south. According to Bede, Oswald raised a cross, and prayed for victory alongside his troops.

It is believed that the Welsh had greater numbers, but they were forced to attack from the east along a narrow front, where they were hemmed in and unable to outflank the Northumbrians. It is not known how long the battle lasted or what the losses were, but the Welsh line finally broke. This began a headlong flight southward by the Welsh, pursued by the vengeful Northumbrians. Many Welsh soldiers were cut down as they ran, and according to Bede, Cadwallon was caught and killed at a place called the 'Brook of Denis', now identified as the Rowley Burn. The battle was a decisive victory for Oswald, and it was likely that the Welsh losses were substantial. Afterwards, the site was known as Heavenfield (Heofenfeld).


After the battle, Oswald re-united Deira with Bernicia and became king of all Northumbria. Bede believed that the importance of the battle was that it restored Christianity to Northumbria. Oswald was only to spend eight years upon the Northumbrian throne before he was defeated and killed by King Penda of Mercia at the Battle of Maserfield, in Shropshire. Oswald was succeeded as king of Northumbria by his brother Oswiu.

The site today[edit]

St Oswald's Church, Heavenfield.
St Oswald's Church, Heavenfield

The road east of Chollerford that runs alongside the Roman Wall (B6318) has a wooden cross standing alongside it to mark the site of the Battle of Heavenfield. On the hill to the north of the cross stands St Oswald's Church, Heavenfield, marking the spot where Oswald was believed to have raised his battle standard.


  • Sadler, John. Battle for Northumbria, 1988, Bridge Studios, (pages 25–29) ISBN 0-9512630-3-X
  • Marsden, John. Northanhymbre Saga, 1992, Kyle Cathie Limited, (pages 113–117) ISBN 1-85626-055-0