Clachtoll Broch Excavations 2017: Part Two

by Dave McBain (Historic Assynt)

Image: AOC Archaeology.

Three months ago, I was asked to write a piece on the Clachtoll excavation (see the post here), and when I was asked to do a follow up, I thought it would be best to have a look back and see where to start from. That was a revelation. When I penned the last piece,  we were a month in, enjoying every minute and let’s be brutally honest – not finding too many artefacts.

As time went on, we dug deeper, the finds became more frequent – much more frequent and in amongst it all, a mini dig on top of the Split Rock and the creation of a corbelled cell (soon, we hope,  to be otter holt) made for a fantastic summer.

So much to share, so few words – so let’s not waste any more.

View of 3d model of the broch towards the end of excavation, Sep 2017.

I suggested that the occupants may have had sheep or goats in my last blog report – we can confirm those sheep, from some of the bones found. Curiously, if a good few years later, Ptolemy’s map of Scotland listed the people of the North West as Caereni – or “sheep people”. I can only wonder if it was those same Caereni who built the Broch?

There were also cattle, pig, deer, whale, seal and possibly boar bones recovered on the site. I am pleased however, to report that to the best of my knowledge, no human bones came from the site, so we can hope our Caereni survived the collapse.

Clachtoll has turned out to be something amazing. Although several hundred brochs were built around Scotland, most it seems, fell gradually out of use before being abandoned. Finding another that collapsed dramatically in the iron age is a bit like searching for hens’ teeth. What we uncovered this summer was a two thousand year old time capsule. One has to wonder if one of the thousand plus visitors to the site was H.G. Wells time traveller looking for an update?

Clachtoll Broch Excavations 2017: The First Month

by Dave McBain (Historic Assynt)

Exterior view of the broch

The excavation at Clachtoll broch has been running for just over a month and with each passing day, the excitement seems to be growing. Clachtoll ticks so many boxes in this aging student’s checklist, it’s hard not to ramble on about it.

Carbon dating tells us that two thousand years ago, someone piled stones forty odd foot high – current estimates from the amount of rubble put the broch at 12-14 metres.  I’m far from a pro and not a great judge of distance, so like to describe that as a little higher than a three-storey house. What were they thinking? Was Clachtoll a key location on the West coast in the iron age? Why put what is surely the largest broch on the West coast there?

Image of 3D Model, created from photos taken 29th July (James McComas). Full model at the foot of the post.

The excavation is a community run project. After some frankly amazing fundraising, Historic Assynt have raised enough to get in a team of professionals for not just the dig, but a series of workshops, site tours, a little bit of experimental archaeology – next week, a corbelled cell will be built and potentially some local otters may get a new home as an outcome and most importantly it will result in a legacy attraction (complete with new path created from the spoil heap) for future visitors.

Then there’s the manner of the collapse. Most broch’s fell out of use gradually. For one reason or another, their occupants abandoned them, died out or may even have been removed. Many have suffered a gradual collapse over the years – in some cases tens of centuries after their initial construction.

The belief is, that Clachtoll is different. Like many others it collapsed, but in Clachtoll it might have been catastrophic, contemporary, and conclusive enough to prevent re-entry or re-use.