Battle of Cefn Digoll

The Battle of Cefn Digoll, also known as the Battle of the Long Mynd was fought in 630 at Long Mountain near Welshpool in modern-day Wales. The battle was fought between the Northumbrian army of King Edwin of Northumbria and an anti-Northumbrian alliance between King Cadwallon of Gwynedd and Penda of Mercia.^[1]: 71 The battle ended the Northumbrian domination of Gwynedd, and preceded a Welsh campaign into Northumbria, which led to Edwin's death at the Battle of Hatfield Chase.

Battle of Cefn Digoll
Date c. 630 Location Long Mountain near Welshpool, Wales 52°39′N 3°04′W Result Gwynedd-Mercian victory Territorial changes Northumbrian domination of Gwynedd ended
Belligerents
Kingdom of Gwynedd Kingdom of Mercia	Kingdom of Northumbria
Commanders and leaders
Cadwallon ap Cadfan Penda of Mercia	Edwin of Northumbria
Strength
Unknown	Unknown
Casualties and losses
Unknown	Unknown