Dun Borrafiach is an Iron Age broch located on the Waternish peninsula of Skye. It occupies a rocky outcrop overlooking the Borrafiach Burn. Dun Borrafiach has an external diameter of 16.5 metres, and the walls still stand to a height of 2.7 metres on the south side. The entrance is on the northwest side of the broch. The northeast side of the entrance-way appears to have been narrowed in antiquity by the insertion of additional walling. Inside the broch, a long stretch of the outer face of the intramural gallery is still visible on the east side.
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The Broch of Gurness is an Iron Age broch village. Settlement here began sometime between 500 and 200 BC. At the centre of the settlement is a stone tower or broch, which once probably reached a height of around 10 metres. Its interior is divided into sections by upright slabs. The tower features two skins of drystone walls, with stone-floored galleries in between. These are accessed by steps. Stone ledges suggest that there was once an upper storey with a timber floor. The roof would have been thatched, surrounded by a wall walk linked by stairs to the ground floor. The broch features two hearths and a subterranean stone cistern with steps leading down into it. It is thought to have some religious significance, relating to an Iron Age cult of the underground.
The remains of the central tower are up to 3.6 metres high, and the stone walls are up to 4.1 metres thick.