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Trinity Well and Remains of Chapel is a medieval religious structure in Wales, protected by Cadw as monument GM158. The site comprises the physical remnants of a chapel alongside a functioning well, both of which reflect the spiritual significance of water sources in medieval Christian devotion. Such chapels were commonly built adjacent to springs and wells believed to possess healing or sacred properties, drawing pilgrims and the local faithful seeking divine intervention for ailments or spiritual renewal.
The monument sits upon Dinantian bedrock comprising limestone with subordinate sandstone and argillaceous rocks, geology that naturally produces springs where groundwater meets less permeable strata. This limestone landscape would have encouraged the formation of the well that remains integral to the site's identity. The ready availability of spring water at this location likely determined why medieval builders chose this precise spot for their chapel, making the well and religious building functionally interdependent elements of a unified sacred complex.
The surviving remains today testify to centuries of medieval piety centred on this Welsh location. Though fragmentary, the chapel's ruins preserve evidence of religious architecture and use patterns typical of minor pilgrimage sites, whilst the well continues to flow through the geological formations that sustained the chapel's original purpose and continue to define the character of this protected heritage site.
Trinity Well and Remains of Chapel is a scheduled monument protected by Cadw under reference GM158. View the official record →
Trinity Well and Remains of Chapel is a medieval religious structure in Wales, protected by Cadw as monument GM158. It is designated a Scheduled Ancient Monument by Cadw under reference GM158.
Trinity Well and Remains of Chapel dates from the medieval period, and is classified as a chapel. It is one of over 32,000 scheduled monuments protected across the UK.
Trinity Well and Remains of Chapel 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 GM158.
Several scheduled monuments lie within 10 km, including Bishopston Valley Camp (2.3 km), Penmaen Burrows Ringwork (2.4 km), Penmaen Burrows Church (2.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Trinity Well and Remains of Chapel's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Trinity Well and Remains of Chapel stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.