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St Colmac is a Bronze Age stone circle located on the Isle of Bute in Argyll and Bute, Scotland. The monument stands on bedrock of the Southern Highland Group, sedimentary rocks formed during the Middle Cambrian period and composed primarily of pelite, a fine-grained metamorphic rock that would have shaped the island's landscape when the circle was constructed in the Bronze Age, roughly four thousand years ago. The site is protected as a scheduled monument by Historic Environment Scotland under reference SM406.
Stone circles of this period typically served communal purposes, functioning as ritual or ceremonial centres for the Bronze Age communities who inhabited the Scottish islands and coastal regions. The construction of such monuments required considerable effort and social coordination, reflecting the importance of shared beliefs and collective gatherings in prehistoric societies. The geological substrate of pelite would have presented specific challenges and opportunities for the builders selecting and positioning the stones that comprise the circle.
Today, St Colmac remains an important archaeological monument, preserving evidence of Bronze Age settlement patterns and religious practices in the western Scottish seaboard. The circle contributes to our understanding of how prehistoric communities organised themselves and marked significant places across the landscape of Bute during the metal-working age.
St Colmac,stone circle is a scheduled monument protected by Historic Environment Scotland under reference SM406. View the official record →
St Colmac is a Bronze Age stone circle located on the Isle of Bute in Argyll and Bute, Scotland. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM406.
St Colmac,stone circle dates from the bronze age period, and is classified as a stone circle. It is one of over 32,000 scheduled monuments protected across the UK.
St Colmac,stone circle is a Scheduled Ancient Monument, legally protected by Historic Environment Scotland — the body responsible for designating and safeguarding heritage sites in Scotland. The official designation reference is SM406.
Several scheduled monuments lie within 10 km, including St Colmac Cross,cross slab (0.5 km), Barone Hill,fort (4.5 km), Thom's Water Cuts, aqueduct and dam, Little Barone to Kirk Dam (4.8 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of St Colmac,stone circle'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.
St Colmac,stone circle stands on Southern Highland Group, bedrock that formed in the Middle Cambrian. The rock here is pelite.