Scheduled Monument

Suisgill, broch 100m NNW of CorbuieSM1886

Status: Designated


Where documents include maps, the use of this data is subject to terms and conditions (

The legal document available for download below constitutes the formal designation of the monument under the Ancient Monuments and Archaeological Areas Act 1979. The additional details provided on this page are provided for information purposes only and do not form part of the designation. Historic Environment Scotland accepts no liability for any loss or damages arising from reliance on any inaccuracies within this additional information.


Date Added
Last Date Amended
Prehistoric domestic and defensive: broch
Local Authority
NC 88756 25304
288756, 925304


The monument is a broch, a complex stone built substantial roundhouse, dating from the Iron Age (between 600BC and AD 400). It is visible as a substantial stony mound, with surviving walling and associated banks and ditches. The broch is located on an elevated position on the valley floor on the edge of a terrace overlooking a bend in the River Helmsdale. It lies around 90m above sea level.

The broch measures approximately 20m in diameter with the internal diameter approximately 12m. Traces of an entrance lie on the east southeast side of the broch with the remains of two possible intramural cells directly to the north northeast and south of the entrance. The broch wall stands up to 1m in height with sections of inner and outer faces visible. The broch and hillock are encircled by a ditch almost 9m broad and 2.5m deep. The monument is located in a prominent position on the valley floor.

The scheduled area is circular on plan, centred on the centre of the broch and measuring 80m in diameter, to include the remains described above and an area around them within which evidence relating to the monument's construction, use and abandonment is expected to survive, as shown in red on the accompanying map. The monument was first scheduled in 1938, but the documentation does not meet current standards: the present amendment rectifies this.

Statement of National Importance

This monument is of national importance because it has an inherent potential to make a significant addition to our understanding of the past, in particular of Iron Age society in Sutherland and the function, use and development of brochs. This is a very good example of a broch surviving in a landscape with other broadly contemporary monuments. Architectural features such as the entrance, intramural cell and wall facings are visible. The outer-works of the broch are impressive with a substantial bank and ditch. The loss of the monument would significantly diminish our future ability to appreciate and understand the development, use and re-use of brochs, and the nature of Iron Age society, economy and social hierarchy in north of Scotland and further afield.



Further information:


Local Authority HER/SMR Reference: MHG11376

HER/SMR Reference


About Scheduled Monuments

Historic Environment Scotland is responsible for designating sites and places at the national level. These designations are Scheduled monuments, Listed buildings, Inventory of gardens and designed landscapes and Inventory of historic battlefields.

We make recommendations to the Scottish Government about historic marine protected areas, and the Scottish Ministers decide whether to designate.

Scheduling is the process that identifies, designates and provides statutory protection for monuments and archaeological sites of national importance as set out in the Ancient Monuments and Archaeological Areas Act 1979.

We schedule sites and monuments that are found to be of national importance using the selection guidance published in Designation Policy and Selection Guidance (2019)

Scheduled monument records provide an indication of the national importance of the scheduled monument which has been identified by the description and map. The description and map (see ‘legal documents’ above) showing the scheduled area is the designation of the monument under the Ancient Monuments and Archaeological Areas Act 1979. The statement of national importance and additional information provided are supplementary and provided for general information purposes only. Historic Environment Scotland accepts no liability for any loss or damages arising from reliance on any inaccuracies within the statement of national importance or additional information. These records are not definitive historical or archaeological accounts or a complete description of the monument(s).

The format of scheduled monument records has changed over time. Earlier records will usually be brief. Some information will not have been recorded and the map will not be to current standards. Even if what is described and what is mapped has changed, the monument is still scheduled.

Scheduled monument consent is required to carry out certain work, including repairs, to scheduled monuments. Applications for scheduled monument consent are made to us. We are happy to discuss your proposals with you before you apply and we do not charge for advice or consent. More information about consent and how to apply for it can be found on our website at

Find out more about scheduling and our other designations at You can contact us on 0131 668 8914 or at


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Printed: 29/11/2023 06:17