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St Colmac Cross is a cross slab situated on the Isle of Bute in Scotland. The monument stands on bedrock of the Southern Highland Group, a pelite formation dating to the Middle Cambrian period, which underlies much of this region with its characteristic fine-grained metamorphic stone. Cross slabs of this type are a distinctive feature of early medieval Christian sites in western Scotland, typically marking sacred ground or serving as boundary markers within monastic or ecclesiastical landscapes. The slab's position on Bute places it within an area rich in early Christian heritage, reflecting the island's significance during the period when Celtic Christianity flourished throughout the Hebrides and west coast.
The monument is protected by Historic Environment Scotland under the scheduled monument reference SM413, recognising its historical importance and vulnerability. The weathered stone and simple incised design are characteristic of cross slabs from this period, though the specific dedication to St Colmac reflects the local religious traditions and saint veneration that shaped the spiritual identity of the island. Such monuments survive as tangible evidence of Bute's early Christian community and the enduring marks they left on the landscape.
St Colmac Cross,cross slab is a scheduled monument protected by Historic Environment Scotland under reference SM413. View the official record →
St Colmac Cross is a cross slab situated on the Isle of Bute in Scotland. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM413.
St Colmac Cross,cross slab 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 SM413.
Several scheduled monuments lie within 10 km, including St Colmac,stone circle (0.5 km), Barone Hill,fort (4.8 km), Thom's Water Cuts, aqueduct and dam, Little Barone to Kirk Dam (5 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of St Colmac Cross,cross slab'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 Cross,cross slab stands on Southern Highland Group, bedrock that formed in the Middle Cambrian. The rock here is pelite.