The Battle of Cefn Digoll, also known as the Battle of the Long Mynd, was a battle fought at Long Mountain

Long Mountain (Powys)

The Long Mountain is a hill to the east of Welshpool in Powys, Wales. It rises to a height of 408m at Beacon Ring, where there is a hill fort.The Long Mountain extends from Forden in the southwest to Vennington in Shropshire to the northeast...

 near Welshpool

Welshpool

Welshpool is a town in Powys, Wales, or ancient county Montgomeryshire, from the Wales-England border. The town is low-lying on the River Severn; the Welsh language name Y Trallwng literally meaning 'the marshy or sinking land'...

, Powys

Powys

Powys is a local-government county and preserved county in Wales.-Geography:Powys covers the historic counties of Montgomeryshire and Radnorshire, most of Brecknockshire , and a small part of Denbighshire — an area of 5,179 km², making it the largest county in Wales by land area.It is...

, in 630

630

Year 630 was a common year starting on Monday of the Julian calendar. The denomination 630 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Byzantine Empire :* Croats and Serbs settle in the...

. The battle was fought between the Northumbria

Northumbria

Northumbria was a medieval kingdom of the Angles, in what is now Northern England and South-East Scotland, becoming subsequently an earldom in a united Anglo-Saxon kingdom of England. The name reflects the approximate southern limit to the kingdom's territory, the Humber Estuary.Northumbria was...

n army of King Edwin of Deira an anti-Northumbrian alliance between King Cadwallon

Cadwallon ap Cadfan

Cadwallon ap Cadfan was the King of Gwynedd from around 625 until his death in battle. The son and successor of Cadfan ap Iago, he is best remembered as the King of the Britons who invaded and conquered Northumbria, defeating and killing its king, Edwin, prior to his own death in battle against...

 of Gwynedd

Gwynedd

Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated...

 and Penda of Mercia

Penda of Mercia

Penda was a 7th-century King of Mercia, the Anglo-Saxon kingdom in what is today the English Midlands. A pagan at a time when Christianity was taking hold in many of the Anglo-Saxon kingdoms, Penda took over the Severn Valley in 628 following the Battle of Cirencester before participating in the...

. The battle ended 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 Hatfield Chase

The Battle of Hatfield Chase was fought on October 12, 633 at Hatfield Chase near Doncaster, Yorkshire, in Anglo-Saxon England between the Northumbrians under Edwin and an alliance of the Welsh of Gwynedd under Cadwallon ap Cadfan and the Mercians under Penda. The site was a marshy area about 8...

.