Battlefields›Roman Wales — Segontium (Caernarfon) Garrison
Roman Period

Roman Wales — Segontium (Caernarfon) Garrison

77–390
Caernarfonshire, Wales
Also known as: Caernarfon fort garrison · Segontium military operations
Era
Roman Period
Battle Type
Skirmish
Location
Caernarfonshire, Wales
Status
Unregistered
The Combatants

Who Fought

Defeated
Ordovices and Irish raiders
Forces
Ordovices/Irish raiders c. 1,000–2,500 in skirmish.
VS
Victor
Rome
Forces
Rome c. 1,500–2,500
Outcome
Fort garrisoned continuously from Agricola to late 4th century; Cohors I Sunicorum and later Cohors I Nervana Germanorum garrisoned here
The Battle

History & Significance

Segontium (Caernarfon) was the most important Roman fort in north-west Wales, guarding against both remaining Ordovician resistance and increasingly troublesome Irish raids on the Welsh coast.

Questions & Answers

Frequently Asked Questions

Protected heritage nearby

Scheduled Monuments near Roman Wales — Segontium (Caernarfon) Garrison

Enclosed Hut Circle Settlement in Coed Glan-yr-Afon
Scheduled monument · Prehistoric · ~1.4 miles
Ancient Village 270m West of Bod Angharad
Scheduled monument · Prehistoric · ~1.8 miles
Cored Gwyrfai Fish Weir
Scheduled monument · Medieval · ~1.8 miles
Hafotty Wern Las Hut Group & Fields
Scheduled monument · Prehistoric · ~1.9 miles
Dinas y Prif Camp
Scheduled monument · Roman · ~2 miles
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