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Tanner's Linn is a scheduled ancient monument earthwork located in Dumfriesshire, Scotland, protected by Historic Environment Scotland under reference SM10533. The site sits upon bedrock of the Hawick Group, a formation of wacke deposited during the Wenlock period of the Silurian era, which creates a foundation of hard, fractured greywacke stone typical of this region's geology.
The earthwork itself represents a form of defensive or territorial construction common to the Scottish Borders landscape. Such works were typically created by raising banks of soil and stone, often utilising the natural contours of the land where bedrock outcrops provided structural support. The Wenlock wacke underlying Tanner's Linn would have influenced both the construction method and the monument's preservation, as this durable stone resists erosion more effectively than softer geological substrates.
The monument's scheduling status recognises its archaeological significance within Dumfriesshire's heritage landscape. Despite its ancient origins, the specific function and date of Tanner's Linn remain matters for archaeological investigation, though its classification as an earthwork places it within a broader tradition of prehistoric and early medieval settlement and land division evident across the Scottish upland borderlands.
Tanner's Linn, earthwork is a scheduled monument protected by Historic Environment Scotland under reference SM10533. View the official record →
Tanner's Linn is a scheduled ancient monument earthwork located in Dumfriesshire, Scotland, protected by Historic Environment Scotland under reference SM10533.
Tanner's Linn, earthwork 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 SM10533.
Several scheduled monuments lie within 10 km, including Cars Wood,fort (4.6 km), Kirkholm Hill, enclosure 500m W of Dinwoodie Lodge Cottage (4.7 km), Hangingshaw Farm, Roman camp and prehistoric enclosures 800m WNW of (5 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Tanner's Linn, earthwork'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.
Tanner's Linn, earthwork stands on Hawick Group, bedrock that formed in the Wenlock. The rock here is wacke.