BattlefieldsRoman Fort at Segontium (Caernarfon) Established 77-78 AD
Roman Period

Roman Fort at Segontium (Caernarfon) Established 77-78 AD

77–78
Gwynedd, Wales
Also known as: Auxiliary fort at Caernarfon 77 AD · Segontium foundation Agricola campaign
Era
Roman Period
Battle Type
Skirmish
Location
Gwynedd, Wales
Status
Unregistered
The Combatants

Who Fought

Defeated
Ordovices
VS
Victor
Rome (Frontinus / Agricola)
Outcome
Fort at Segontium established to command Menai Strait and access to Anglesey
The Battle

History & Significance

Segontium (Caernarfon) was the most important Roman fort in northwest Wales, garrisoned almost continuously for over 300 years. Its position at the foot of the Snowdon massif and commanding the Menai Strait gave it control over access to Anglesey — the breadbasket of northwest Wales. Excavations have produced an exceptionally rich finds assemblage covering the full range of Roman occupation.

Forces Involved

Cohors I Sunicorum and later Cohors I Nervana Germanorum

Questions & Answers

Frequently Asked Questions

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