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For centuries after the crannog was built, it attracted Stone Age, Bronze Age and Iron Age tribes.A Stone Age hearth from about 2795 BC has been discovered in Monmouth, along with animal bones and charcoal from around 500 BC and Roman pottery.The discovery of the crannog under a building site in Monmouth, South Wales (pictured) paints a picture of a thriving community based around the world's oldest known boat building yards.The prehistoric boat building site was uncovered in 2013 near the newly-discovered crannog site - and dates back to 1,700 BC Remains of the crannog timbers (pictured) were preserved beneath the clay and peat of a lagoon which formed when the lake drained some 2,000 years ago.Before the Bronze Age stone and flint were used for cutting.
One of these timbers is a metre wide and all of them seem to have been from full-grown trees.’Another clue to the crannog’s age is the tool used to carve the oak – a stone axe.
Crannogs – natural or artificial islands, enclosed by a ring of stakes – have been found in Scotland and Ireland.
But most of the 600 in Scotland are from much later.
Stone Age artefacts are thin on the ground in Britain.
So the discovery of the Monmouth crannog will shed a vast amount of light on the last stage of the Stone Age.
Radiocarbon dating of the timbers reveal the fortified farmstead at Monmouth, South Wales, was built in 2917 BC - making it 300 years older than the Pyramids at Giza.