Skye, Rubh' An Dunain, 'viking Canal'
Building(S), Harbour, Naust(S), Quay
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- Council Highland
- Parish Bracadale
- Former Region Highland
- Former District Skye And Lochalsh
- Former County Inverness-shire
Rubh' an Dunain
At the toe of this remote promontory, bounded by Loch Brittle and the Sound of Soay and reached only by a lonely track, lies a rich palimpsest of archaeological remains testifying to the former significance of Rubh' an Dunain. Chambered cairn, probably 2nd or 3rd millennium bc, a Neolithic passage grave. To its south, one of best preserved survivals of an Iron Age promontory fort (or galleried dun), with a portion of curved drystone wall to landward, possibly 1st millennium bc. A stone-lined canal, possibly Viking, connects a sheltered inlet to a small lochan, suitable for harbouring birlinns. Small former township, with round-ended ruin of early-mid 18th century tacksman's house, a two-storey chimney gable at one end. Still occupied in the 1860s, this was the home of the MacAskills of Rubh' an Dunain.
Taken from "Western Seaboard: An Illustrated Architectural Guide", by Mary Miers, 2008. Published by the Rutland Press http://www.rias.org.uk
NG31NE 8 395 160.
On the side of the 'canal' there are what appear to be two substantial boat noosts. There is no indication as to the origins of the canal or the purpose of the combined loch and canal, or their relationship with the dun (NG31NE 1), but future sampling and survey underwater in the loch may help to clarify the situation.
TN Dixon 1990b.
A single unroofed building is depicted on the 1st edition of the OS 6-inch map (Inverness-shire, Isle of Skye 1881, sheet xlix). What may be the same unroofed building is shown on the current edition of the OS 1:10000 map (1986).
Information from RCAHMS (AKK), 14 November 1996.
Field Visit (23 April 2009 - 9 May 2009)
NG 394 162 (centred on) An assessment survey was conducted 23 April–9 May 2009 following the discovery of medieval boat timbers on the northern edge of Loch na h-Àirde in 2000 and 2008. An aerial photography sortie facilitated by RCAHMS was conducted on 31 May 2009. Detailed surveys were conducted on the partly artificial channel 100m long which links the loch to the sea. Associated features include two nausts (stone-lined boat docks) which extend from its N side, close to the seaward end, and the tumbled foundations of at least three buildings. A promontory dun stands on a headland nearby (NG 396 159). Close to the centre of the canal is a blockage of stones, now tumbled but showing evidence of former structural cohesion. The margin of the loch follows the High Spring Tide contour, though its fill derives mainly from the surrounding catchment and is
therefore partly fresh, with seawater entering only during extreme high tides. Although water now percolates through the blockage, the level in the loch remains largely constant throughout the tidal cycle.
A systematic search of the loch bed, most of which is less than 1.5m deep, was conducted with masks and snorkels. No further boat components were found, but a partly collapsed stone-built quay, now almost completely under water, extends on either side of the canal’s inshore mouth, with a gap in the middle. It was surmised that the canal was constructed so that vessels could be brought into and out of the loch, and water levels managed so that while there they would remain afloat throughout the tide, facilitating mooring or use of the quay. Since the process of bringing vessels into and out of the loch would have been quite complex, it seems likely that the system was intended for the secure over-wintering of craft, or for maintenance and
perhaps boatbuilding on the loch’s shores.
One of the boat timbers found in the loch was probably from a clinker-built four-oared rowing boat c6m long. It has been radiocarbon dated to AD c1100. The other undated timber appears to be from a larger sailing vessel in the same tradition, perhaps more than 10m long. Neither craft could have had a local function in this tiny shallow loch, and were presumably there for safe-keeping or repair, or were being built. This implies that from at least the early 12th century the canal, blockage, and quay system, or some precursor of them, were in operation. Study of this remarkable maritime landscape is continuing, with research focused on determining the dates, associations and functions of the various features, including the dun.
Archive: RCAHMS (intended)
Funder: Historic Scotland
Colin Martin – Morvern Maritime Centre
Field Visit (15 May 2010 - 17 May 2010)
NG 3959 1595 The work on the peninsula, begun in 2009 (DES 2009, 92–93), continued on 15–17 May 2010 with a survey of the galleried dun. The 30m curving wall, in places up to 5m high, bounds a precipitous rocky headland now c225sqm in extent. On all three exposed sides there is evidence of major rockfalls on the foreshore below, while both E and W ends are disintegrating over the edge. The extent to which these
processes have diminished the structure and the promontory beyond is unquantifiable but probably considerable. In view of its massive monumental architecture and the probability that the enclosed area was significantly greater than it is today, it is suggested that the monument is best categorised not as a ‘dun’ but as a ‘headland fort’.
Further examination of the adjacent canal feature revealed a distinctive change of build in the W revetment about half-way along its length, at NG 3945 1600. The seaward sector is built of long slabs laid horizontally while the upper sector leading into the loch is of smaller rounded rubble. This suggests two phases, the first linking the two boat nausts below the fort to the sea and the second continuing the canal into the loch. Although the stones of the fort wall are similar to those of the lower canal revetment, they do not appear to have been robbed. This suggests either that the fort, lower canal, and nausts are contemporary, or (perhaps more probably) that when the latter two features were built an already existing fort was retained as part of the overall scheme. A terminus post quem for the upper canal is provided by a boat timber from the loch which has been radiocarbon dated to AD c1100.
Archive: RCAHMS (intended)
Funder: Morvern Maritime Centre
Colin Martin and Paula Martin – Morvern Maritime Centre