Caer Gybi Roman Fort

Caer Gybi Roman Fort - Cadw Historic Site in Anglesey | Trust Quest

About

Caer Gybi Roman Fort, Caer Rufeinig Caer Gybi, is a late Roman walled enclosure in the middle of Holyhead, probably built in the 3rd century on the low cliffs above the harbour as part of a chain of coastal defences linked to the watchtower of Caer y Twr on Holyhead Mountain. Its rectangular walls are extremely well preserved, standing up to 13 feet high and 5 feet thick, with the remains of round towers at the four corners; the 26-foot north-east tower above the harbour is the most prominent, its top a later rebuild. Inside the walls a medieval monastery grew into the parish church of St Cybi, whose churchyard now fills the fort, so Cadw's monument is the circuit of walls and towers rather than the church, which belongs to the parish. Visitors enjoy the view over the harbour entrance and the benches among the graves. Enter from the Market Street gate, five minutes' walk from the port and station.

Open in daylightFrom Cadw's published times

Open any reasonable time in daylight

Opening times may change at short notice.

Open all year during reasonable daylight hours; no admission charge. The church inside the walls is the parish's and its opening is not published by Cadw. Cadw may close monuments at short notice in extreme weather.

Terrain level 1, accessible: the churchyard paths and the surrounding streets, with surfaces that may be slippery or uneven; benches in the churchyard; public toilets at the Swift Square car park. Drones are not permitted.

Dogs: Cadw: 'Dogs welcome'; an open-air churchyard and walls, on Cadw's dog-friendly days out list for north-west Wales, which asks for dogs under control and on a short lead at all times. The church interior is the parish's and not covered.

Photo: The rubble-built Roman wall of Caer Gybi seen across St Cybi's churchyard in Holyhead, with the town's houses beyond. Jeff Buck, CC BY-SA 2.0. Source: https://commons.wikimedia.org/wiki/File:The_north_wall_of_Caer_Gybi_(Roman_Fort)_-_geograph.org.uk_-_5165605.jpg. Licence: https://creativecommons.org/licenses/by-sa/2.0. Resized and cropped for display; derivatives retain the source licence.

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Walking routes1 route

Holyhead and mountain circular walk (Wales Coast Path, Cadw itinerary)

16 km

Dog access not confirmed

10 miles (16 km), or 11 miles with the summit detour, from Holyhead Breakwater Country Park or anywhere in Holyhead; past the marina to Caer Gybi, then through the town centre to Penrhos Feilw, The Range, South Stack, the Holyhead Mountain hut circles and Caer y Twr; car parks at The Range, South Stack and in Holyhead; toilets at the RSPB visitor centre and Breakwater Country Park; no public transport on the loop. Free.

Caer Gybi Roman Fort

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