Ancient Monuments

History on the Ground

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Tower & Remains of Church and Monastic Settlement on Puffin Island

A Scheduled Monument in Llangoed, Isle of Anglesey (Ynys Môn)

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Latitude: 53.3193 / 53°19'9"N

Longitude: -4.0254 / 4°1'31"W

OS Eastings: 265183

OS Northings: 382174

OS Grid: SH651821

Mapcode National: GBR 0ZB1.BV

Mapcode Global: WH53Q.4TFR

Entry Name: Tower & Remains of Church and Monastic Settlement on Puffin Island

Scheduled Date:

Source: Cadw

Source ID: 3267

Cadw Legacy ID: AN064

Schedule Class: Religious, Ritual and Funerary

Category: Monastic settlement

Period: Early Medieval

County: Isle of Anglesey (Ynys Môn)

Community: Llangoed

Traditional County: Anglesey


The scheduled monument itself is the remains of a 12th century church and monastic settlement, with earlier, possible 7th century, origins. The church consists of a standing tower, which is constructed of two stages, and the foundational remains of a nave and chancel. A modern cottage has been built onto the southern wall of the tower.

The earlier remains consist of a collapsed boundary wall forming a roughly oval enclosure around the church.

The Island, which lies off the coast of Penmon, has SSSI status. There is a wealth of breeding and nesting birds on the Island including some puffins and also seals. There is no public access, which is stated on the small beach landing area with a sign.

The monument is of national importance for its potential to enhance our knowledge of early medieval ecclesiastical monasteries. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information concerning chronology and building techniques.

Source: Cadw

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