Dun Dornaigil is an Iron Age

Iron Age

The Iron Age is the archaeological period generally occurring after the Bronze Age, marked by the prevalent use of iron. The early period of the age is characterized by the widespread use of iron or steel. The adoption of such material coincided with other changes in society, including differing...

 broch

Broch

A broch is an Iron Age drystone hollow-walled structure of a type found only in Scotland. Brochs include some of the most sophisticated examples of drystone architecture ever created, and belong to the classification "complex Atlantic Roundhouse" devised by Scottish archaeologists in the 1980s....

 in Sutherland

Sutherland

Sutherland is a registration county, lieutenancy area and historic administrative county of Scotland. It is now within the Highland local government area. In Gaelic the area is referred to according to its traditional areas: Dùthaich 'IcAoidh , Asainte , and Cataibh...

 in the Scottish Highlands

Scottish Highlands

The Highlands is an historic region of Scotland. The area is sometimes referred to as the "Scottish Highlands". It was culturally distinguishable from the Lowlands from the later Middle Ages into the modern period, when Lowland Scots replaced Scottish Gaelic throughout most of the Lowlands...

. It is located at next to the Strathmore River, south of Ben Hope

Ben Hope

Ben Hope is a mountain in northern Scotland. It is the most northerly Munro, standing alone in the Flow Country south-east of Loch Hope in Sutherland. The mountain is a roughly triangular wedge, with a great crag on the west, with two lower shoulders to the south and northeast...

, immediately adjacent to the single track A836 road. Under the care of Historic Scotland

Historic Scotland

Historic Scotland is an executive agency of the Scottish Government, responsible for historic monuments in Scotland.-Role:As its website states:...

, it has limited parking space and an information board for visitors.

The walls generally survive from 6ft to 11ft around the circumference of the broch, but above the doorway they rise to 22ft. The doorway boasts a massive triangular lintel, but the interior has been filled and is now inaccessible.