Caer y Twr, Holyhead Mountain Watch-tower
History, tourist information, and nearby accommodation
The remains are now very scant, but the walls of the fort can still be traced. Sections of the perimeter rampart stand to 3 metres. Stones found during excavations of the tower footings suggest that it was built between the 2nd and 4th century AD.
On the west slope of the mountain, below Caer y Twr, is a sizeable hut circle settlement which may have been in use at the same time as the fort.
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About Caer y Twr, Holyhead Mountain Watch-tower
Address: Holyhead, Anglesey, Isle of Anglesey, Gwynedd, Wales
Attraction Type: Roman Site
Location: Reached by footpaths west of Holyhead, off the South Stack road or from the Breakwater Country Park
Website: Caer y Twr, Holyhead Mountain Watch-tower
Photo Credit: Eric Jones, licensed for reuse under the Creative Commons Licence
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NEARBY HISTORIC ATTRACTIONS
Heritage Rated from 1- 5 (low-exceptional) on historic interest
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South Stack Lighthouse - 1.3 miles (Historic Building)
Penrhos Feilw Standing Stones - 1.4 miles (Prehistoric Site)
Holyhead, St Cybi - 1.6 miles (Historic Church)
Caer Gybi - 1.7 miles (Roman Site)
Ty Mawr Standing Stone - 2.5 miles (Prehistoric Site)
Trefignath Burial Chamber - 2.9 miles (Prehistoric Site)
Soar Standing Stone - 6.4 miles (Prehistoric Site)
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