BattlefieldsBattle of Bryn Glas 1402
Medieval

Battle of Bryn Glas 1402

1402
Radnorshire, Wales
Also known as: Battle of Pilleth
Era
Medieval
Battle Type
Pitched Battle
Location
Radnorshire, Wales
Status
Registered · BFR 003
The Combatants

Who Fought

Defeated
England (Edmund Mortimer)
Forces
English c.1,000–1,500; dramatic Welsh victory; Mortimer captured after archer defection.
VS
Victor
Glyndwr (Rhys Gethin)
Forces
Welsh c.2,000–3,000
Outcome
Mortimer defeated and captured; Welsh archers changed sides mid-battle; Mortimer joined the rebellion
The Battle

History & Significance

Bryn Glas was the most dramatic Welsh victory of the rebellion; Welsh archers fighting for England switched sides during the battle and Edmund Mortimer was captured before joining Glyndwr cause.

Casualties & Losses

c.1,100 English killed

Registered Historic Battlefield

This battlefield is listed on the Register of Historic Battlefields — a national designation identifying Britain's most significant battle sites for protection and further research. Reference: BFR 003.

Questions & Answers

Frequently Asked Questions

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