The multi-phase defensive system at the ten-hectare Oued Beht site marks the earliest known large-scale structure of its type in North Africa outside the Nile Valley. Researchers determined that inhabitants erected these fortifications to secure strategic terrain amidst rising competition over local land, movement, and resources. Excavations also proved the site was a bustling Final Neolithic center where residents cultivated barley and wheat, produced painted pottery, and connected with broader Mediterranean networks. Millennia later, medieval populations reoccupied the location between the 11th and 13th centuries AD, rebuilding the ancient barriers and establishing a cemetery.
Key points
Prehistoric societies in the Maghreb maintained sophisticated social organizations capabl…: Prehistoric societies in the Maghreb maintained sophisticated social organizations capable of constructing coordinated defensive works far earlier than previously believed.
Local communities likely built these fortified barriers to manage domestic competition ov…: Local communities likely built these fortified barriers to manage domestic competition over land and transit rather than to resist foreign invaders.
Strategic geography at Oued Beht encouraged recurrent use, prompting medieval groups to r…: Strategic geography at Oued Beht encouraged recurrent use, prompting medieval groups to reconstruct the prehistoric fortifications centuries later.
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- Date:
- October 31, 2026
- Source:
- The Conversation
- Summary:
- A remarkable 4,000-year-old defensive structure discovered in Morocco is rewriting what scientists thought they knew about ancient North African civilizations. The massive fortifications reveal unexpectedly sophisticated prehistoric societies and suggest that the region played a much greater role in Mediterranean history than previously recognized.
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In the hills of north-west Morocco, overlooking the river that gives the site its name, research at Oued Beht is bringing to light a previously unknown chapter of the region’s past. The discovery of a substantial built structure suggests that, during the second millennium BC, communities in north-west Africa were actively shaping their environment. They were also engaging in broader networks of interaction across the Mediterranean world.
Previous research by the Oued Beht Archaeological Project had already brought to light what is likely the earliest and largest agricultural complex ever discovered in Africa outside the Nile Valley. It dates to around 5,400 to 4,900 years ago. New excavations carried out in 2023 – in which we took part – have…
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