Scheduled Monument

Greod,fort and kelp kiln 900m SE ofSM5908

Status: Designated


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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
Supplementary Information Updated
Industrial: kiln, furnace, oven, Prehistoric domestic and defensive: fort (includes hill fort and promontory fort); hut circle, roundhouse, Secular: shieling
Local Authority
Planning Authority
Small Isles
NG 28118 3986
128118, 803986


The monument consists of a prehistoric fort on top of a rock outcrop. By the NE entrance to the fort are traces of ruined later buildings, while a short distance to the N of the fort are the remains of a kelp kiln.

The fort has been built on the top of a cliff-girt plateau. The irregularly-shaped top of the plateau measures 80m NNW-SSE by about 20m and this naturally strong location has been strengthened by the construction of a wall along the edge of the cliff on the NE, landward, side; fragments of this wall survive to a height of 0.5m.

The entrance, on the NE side, is about 2m wide and is flanked by a triangular-shaped slab on edge. About 8m to the S of the entrance are the stone foundations of a round house which measures about 7.5m in diameter. There are traces of a later structure constructed into the remains of the hut circle. Outside the entrance to the fort are the remains of two small circular buildings and another similar example lies to the SE of the crag.

These are probably the remains of post- medieval houses or shielings. Traces of stone walls are associated with these buildings. 25m N of the base of the crag are the remains

of a probable kelp kiln. This consists of two lines of stones about 4.5m long and 1.2m wide with single stones blocking both open ends.

The area to be scheduled measures 115m SSE-NNW by 70m WSW-NNE, to include the fort, the foundations of the external buildings and the kelp kiln, as shown in red on the accompanying map extract.

Statement of National Importance

The monument is of national importance because of its potential contribution to an understanding of prehistoric defensive architecture and domestic settlement. The kelp kiln is of importance because it is one of a large number of similar structures on Canna and Sanday and represents a class of structures which formed a major element in the economy of the islands during the eighteenth and nineteenth centuries.



RCAHMS records the monument as NG 20 SE 10.

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: 26/05/2024 21:28