Battlefields›Siege of Caernarfon Castle 1403
Medieval

Siege of Caernarfon Castle 1403

1403
Caernarfonshire, Wales
Era
Medieval
Battle Type
Siege
Location
Caernarfonshire, Wales
Status
Unregistered
The Combatants

Who Fought

Defeated
Glyndwr
Forces
English garrison c.300–500; second Caernarfon siege failed, castle held.
VS
Victor
England
Forces
Welsh c.2,000–3,000
Outcome
Second major Welsh attempt on Caernarfon fails; castle holds
The Battle

History & Significance

A second Welsh siege of Caernarfon in 1403 also failed; the great Edwardian castle proved impregnable even without substantial English field forces available.

Questions & Answers

Frequently Asked Questions

Protected heritage nearby

Scheduled Monuments near Siege of Caernarfon Castle 1403

Castell Caernarfon
Scheduled monument · Medieval · ~0.1 miles
Lower Roman Fort
Scheduled monument · Roman · ~0.3 miles
Segontium Roman Fort
Scheduled monument · Roman · ~0.4 miles
Cored Gwyrfai Fish Weir
Scheduled monument · Medieval · ~1.9 miles
Enclosed Hut Circle Settlement in Coed Glan-yr-Afon
Scheduled monument · Prehistoric · ~2.5 miles
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