Scheduled MonumentsWalesCaer y Tŵr
Roman · Tower

Caer y Tŵr

Anglesey, Wales
Cadw SAM AN019
Period
Roman
Site type
Tower
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

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Overview

History & significance

Caer y Tŵr is a Roman defensive structure located on Anglesey in north Wales. The site dates to the Roman period of occupation in Britain and represents one of the fortified positions established to maintain military control and defend against local resistance in this strategically important island region. The monument's physical remains indicate a tower or fortified enclosure that would have served defensive and possibly signalling functions within the broader network of Roman military installations across Wales. As a scheduled ancient monument under Cadw protection, Caer y Tŵr preserves evidence of Rome's military infrastructure in the conquest and subjugation of Wales during the first and second centuries AD.

Caer y Tŵr is a scheduled monument protected by Cadw under reference AN019. View the official record →

About this monument

Questions & answers

What is Caer y Tŵr?

Caer y Tŵr is a Roman defensive structure located on Anglesey in north Wales. It is designated a Scheduled Ancient Monument by Cadw under reference AN019.

What period does Caer y Tŵr date from?

Caer y Tŵr dates from the roman period, and is classified as a tower. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Caer y Tŵr?

Caer y Tŵr is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is AN019.

What other scheduled monuments are near Caer y Tŵr?

Several scheduled monuments lie within 10 km, including Gogarth Bay round cairn (0.5 km), Holyhead Mountain Prehistoric Village (1 km), Penrhosfeilw Standing Stones (2.1 km).

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