Crannogs
The
remains of crannogs are found in many Scottish lochs,
particularly in the Highlands. They were artificial
islands linked to the shore by a stone causeway or
timber gangway.
In
Loch Tay, for example, many crannogs now lie submerged,
which has helped archaeologists: as the water-logged
conditions have preserved many perishable items such
as wooden bowls and cups that would have been destroyed
on land.
Crannogs
were probably the centres of prosperous Iron Age farms,
where people lived in an easily-defended location
to protect themselves and their livestock from passing
raiders. The settlement would have consisted of a
farm house, with cattle and crops being tended in
nearby fields, and sheep on hill pastures. Local woodlands
would have serviced the home with fruit, hazelnuts,
wild cabbage and medicines, as well as with wild boar
and other woodland animals suitable for hunting.
At
Loch Tay the crannog-dwellers were skilled weavers,
and could make woollen and leather items which could
be transported by boat and traded for luxuries like
jewellery.
The
reconstruction of a crannog on Loch Tay (see picture
above) near Kenmore is based on nearby underwater,
archaeological excavations of the Oakbank crannog,
which dates from 500 BC. Its circular, timber platform,
with its large, timber roundhouse, is built on oak
piles driven deep into the loch bed. The walls are
made of hazel rods, woven together, and the thatched
roof is steeply pitched enough to allow rain to drain
off. Inside, the floor is covered with bracken and
ferns, with a flat, stone fireplace in the centre
which would have been kept burning continuously and
would have been the focus of family life.
Brochs
To
the north and west of Scotland, stone was a more available building
material than timber for construction purposes. Here we find the
brochs: one of the finest achievements of Iron Age Scotland, and
predominant on Orkney, Shetland and the Western Isles. They
are the pinnacle of drystone wall building. Huge towers, so ingeniously
engineered to avoid collapse that some of them are still standing
2,000 years later!
The earliest Brochs are traced back to 500-200 BC. They are formed
by two concentric, dry-stone walls, producing a hollow-walled tower.
Between the walls were galleries and stairways which led to the
upper levels. Within the tower there would have been several wooden
floors, providing the main living space, with the ground floor possibly
used as a secure store for cattle or sheep when the broch was under
siege. The whole structure may have been topped with a conical,
thatched roof.
Brochs
were meant to impress and were probably houses for
tribal chiefs or important farmers. At places like
Gurness in Orkney, villages grew up around the broch
and fragments of pottery found there show the owners
sometimes enjoyed a lifestyle of imported wines and
olives from the Mediterranean - before the Romans
invaded.
About AD 100 the fashion for broch building declined,
however, the communities and settlements around them
continued to flourish.
Hillforts
The
most impressive Iron Age settlements are hillforts,
like Traprain Law in East Lothian. They are powerful
fortresses surrounded by earthen ditches with wooden
palisades or stone walls, and are set on hill tops
or on coastal promontories.
After
the introduction of the horse and iron weaponry, tribes
could hold down larger territories and strike at enemies
more swiftly. Hillforts were designed to defend against
these raiding parties, but they also served as
impressive statements of a chieftain's power. From
their hillforts these chieftains could survey the
surrounding farmlands under their sway, lands that
no doubt provided them with food. The people who farmed
the land were also warriors when required and looked
to both fort and chieftain for protection. They became
centres for trade and metal working, bringing wealth,
power and status to those who controlled that trade.
The appearance of all of these settlements on the
landscape seems to suggest the development of a more
structured and hierarchical society, where the power
of chieftains increased along with the need for protection.
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Brochs
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