Scheduled MonumentsWalesSt Seiriol's Well
Early Medieval · Holy Well

St Seiriol's Well

Anglesey, Wales
Cadw SAM AN062
Period
Early Medieval
Site type
Holy Well
Broad class
Religious, Ritual and Funerary
Nation
Wales
Boundary

Scheduled area

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Overview

History & significance

St Seiriol's Well is a holy well located on the island of Anglesey in north Wales, traditionally associated with the Early Medieval saint Seiriol. The well forms part of a significant Early Medieval religious landscape and represents the enduring tradition of sacred water sources in Welsh Christianity, where such sites often functioned as centres of spiritual devotion and healing practice. The well is situated within an archaeological context that reflects the importance of Early Medieval monastic settlement on Anglesey, an island known for its concentration of early Christian activity. The site's designation as a scheduled ancient monument reflects its archaeological and historical significance as evidence of Early Medieval religious practice and ritual activity in Wales.

St Seiriol's Well is a scheduled monument protected by Cadw under reference AN062. View the official record →

About this monument

Questions & answers

What is St Seiriol's Well?

St Seiriol's Well is a holy well located on the island of Anglesey in north Wales, traditionally associated with the Early Medieval saint Seiriol. It is designated a Scheduled Ancient Monument by Cadw under reference AN062.

What period does St Seiriol's Well date from?

St Seiriol's Well dates from the early medieval period, and is classified as a holy well. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting St Seiriol's Well?

St Seiriol's Well 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 AN062.

What other scheduled monuments are near St Seiriol's Well?

Several scheduled monuments lie within 10 km, including Settlement Above Ffridd Ddu (9.7 km), Hut Circle Settlement on Caer Mynydd (9.8 km), Cras, ring cairn to N of (9.8 km).

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