A long, enigmatic earthwork crosses Greenlaw Moor, preserving a boundary whose builders, date and purpose remain unresolved.
Quick facts
- Date
- Undated earthwork; scheduled 1937
- Architect / designer
- Builders not recorded
- Type
- Linear bank or dyke across moorland
- Designation
- Scheduled monument (SM371)
- OS grid reference
- NT 70904 48440
Architecture, archaeology and continuing use
The monument is understood as a linear bank or dyke rather than an enclosed settlement. Its meaning comes from continuity across open ground and its relationship with routes, grazing and territorial divisions.
Its story
The dyke predates modern protection but lacks a secure archaeological date. It was scheduled in 1937, when designation records were often concise. The surrounding moor is also valued for habitats and land management, adding another layer of care to the landscape.
Why it is included
Scheduling recognises the survival and research potential of a substantial boundary feature that may illuminate how people organised and controlled upland ground.
What to notice
- A continuous raised line across the moor.
- Changes where later tracks or drains intersect it.
- The broad landscape that gives a boundary meaning.
Reading the surroundings
Do not assume open access from the map point alone. Follow lawful routes and seasonal land-management guidance, protect nesting wildlife and never cut, dig or detect along the earthwork.
Timeline
- Unknown period Communities constructed a long boundary across the moor.
- 1937 Herrits Dyke became a scheduled monument.
- Present Archaeological and ecological protections overlap in the wider landscape.
What we know — and what remains uncertain
The early designation supplies little descriptive detail. Date, builders and purpose should remain explicitly unresolved until new field evidence emerges.
Sources & further reading
- Historic Environment Scotland: Herrits Dyke, SM371 — Current designation status, mapped location, date, fabric and architectural or archaeological interest.
- Trove designation: SM371 — Parallel national record identity and archival context.
- NatureScot: Greenlaw Moor SSSI citation — Official ecological and land-management context for the wider moorland.
Location
OS grid reference NT 70904 48440 · Location confidence: High: the current national designation supplies an exact mapped National Grid Reference; public text separately states access and current-use uncertainty. · Select the marker to open its satellite view in Google Maps. On desktop, drag Pegman (the yellow figure) onto a blue road. On mobile, turn on the Street View layer and tap a blue road. Other photo markers may be user-contributed.
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