Scheduled Monument

Dun Cholla,fort,ColonsaySM5971

Status: Designated

Documents

Where documents include maps, the use of this data is subject to terms and conditions (https://portal.historicenvironment.scot/termsandconditions).

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.

Summary

Date Added
04/05/1994
Type
Prehistoric domestic and defensive: fort (includes hill fort and promontory fort)
Local Authority
Argyll And Bute
Parish
Colonsay And Oronsay
NGR
NR 37776 91524
Coordinates
137776, 691524

Description

The monument comprises a fort which occupies a rocky promontory. The S and W sides are protected by sheer cliffs, but from the NE the approach is up a gentle grass-covered slope.

The fort is defended by a single wall which encloses an area measuring 54m by a maximum of 25m. On the NE, where there is least natural protection, the wall is up to 6m thick and the outer facing- stones, which are unusually large and well-coursed, stand to a height of 1.25m in four courses; elsewhere the wall is about 2.5m thick. Immediately SE of the entrance there is a short stretch of medial walling and on the NW the lowest course of the outer face is founded on a revetted platform, probably to give it greater stability. The entrance, which lies on the NE, was modified in antiquity, reducing its width from 1.8m to 1.4m. In the interior there are the footings of two enclosures and a stretch of ruined wall, all of which are of comparatively recent date.

The area to be scheduled measures up to 95m from E to W by 65m transversely, to include the fort and an area around in which associated remains may survive, as marked in red on the attached map extract.

Statement of National Importance

The monument is of national importance because it is a well preserved monument which displays a range of unusual and well defined architectural features. It has the potential to provide information about the nature and development of later prehistoric settlement.

References

Bibliography

RCAHMS records the site as NR39SE 12.

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 www.historicenvironment.scot.

Find out more about scheduling and our other designations at www.historicenvironment.scot/advice-and-support. You can contact us on 0131 668 8914 or at designations@hes.scot.

Images

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Printed: 04/04/2026 08:20