Monument record 320 - LOCH AN DUIN, SIADAR, LEWIS

A galleried dun, greatly obscured by tumble, situated on a small island at NB3928 5435, connected to the shore by a well-built causeway.
The inner face is only intermittently visible through the debris, but the outer face can be seen for most of its periphery, indicating external measurements of 18.8m NE-SW by 16.8m transversely, the walling varying from 3.8m in thickness at the west entrance to c. 3.0m on the east side. The remains of two corbelled mural cells can be seen on the NW and SE sides. The entrance, c. 1.2m wide, is choked with tumble and no door checks etc. can be seen. Within the dun are the footing of intrusive structures.
RCAHMS

The monument known as Loch an Duin, dun, Shader, comprises the remains of a galleried dun, a fortified structure of Iron Age date, probably occupied into the early meieval period. The area to be scheduled is irregular and measures a maximum of 80m E-W by 25m N-S, to include the dun and the causeway.
HS Scheduling Document, 6.4.1992

Thomas, F. W. L., 1890, Archaeol Scot, 374 (Bibliographic reference). SWE7756.

RCAHMS, 1928, The RCAHMCS 9th Report & Inventory: Outer Hebrides, Skye and the Small Isles, 10, No. 28 (Bibliographic reference). SWE5587.

PSAS, 1984, Proc Soc Antiq Scot, 597 (Bibliographic reference). SWE9184.

T N and P G Dixon and Topping, 1986, Int J Nautical Archaeol Underwater Explor, 189 (Bibliographic reference). SWE665.