A steep natural mound modified for a timber castle preserves evidence for medieval lordship within the later town.
Quick facts
- Date
- Probably 12th century
- Architect / designer
- Medieval earthwork builders unrecorded
- Type
- Scheduled medieval castle motte
- Designation
- Scheduled monument (SM2643)
- OS grid reference
- NT 03956 37747
Architecture, archaeology and continuing use
The monument is a prominent grassed mound whose steep sides and upper platform reflect adaptation for a timber stronghold. No secure bailey earthwork is now visible, and later gardens and development closely surround the site.
Its story
The motte is associated with the twelfth-century establishment of feudal lordship at Biggar. Later buildings and gardens changed its setting, but the mound survived as a recognisable archaeological feature and received statutory protection.
Why it is included
It carries Biggar’s architectural story back before the surviving church and High Street buildings, adding an essential archaeological layer.
What to notice
- Steep-sided mound.
- Flattened upper platform.
- Contrast between medieval earthwork and later town fabric.
Reading the surroundings
The scheduled area is not advertised as a public attraction and lies within privately managed ground. View only from lawful public space, do not cross boundaries or climb the mound, and avoid any action that could erode the earthwork.
Timeline
- 12th century A timber castle probably occupied the modified mound during the consolidation of local lordship.
- 20th century Scheduling recognised the archaeological importance of the surviving earthwork.
- 2018 A local urban archaeology report described the motte and the absence of a confirmed bailey.
What we know — and what remains uncertain
No excavation has established the castle plan, exact date or location of a bailey, and access across private land is not assumed.
Sources & further reading
- Historic Environment Scotland: Gillespie Moat, SM2643 — Designation status, mapped location, date, fabric and architectural or archaeological interest.
- Biggar Archaeology Group: urban archaeology report — Local archaeological interpretation, public-view context and caution about the unconfirmed bailey.
Location
OS grid reference NT 03956 37747 · Location confidence: High: the national designation supplies an official mapped National Grid Reference; the independent source confirms the Place relationship, history or current identity. · 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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