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🏛️ Site archéologique de Conjux-le-Port 3 immergé dans le lac du Bourget à Conjux

Archaeology & Antiquity France Europe

🏛️ Site archéologique de Conjux-le-Port 3 immergé dans le lac du Bourget à Conjux
Submerged Bronze Age settlement in Lake Bourget, France


🕐 2 min read · Updated 3 Apr 2026 at 01:15
📋 Fast Facts
  • Bronze Age settlement dating to approximately 3500 BC
  • Submerged underwater in Lake Bourget near Conjux, Savoie
  • Protected archaeological site; diving prohibited without permit
  • Accessible to public through museum exhibitions and boat trips, not direct diving

The Site archéologique de Conjux-le-Port 3 is a submerged Bronze Age settlement located in Lake Bourget, near the commune of Conjux in the Savoie department of the French Alps. Dating to around 3500 BC, the site represents one of France's most significant Bronze Age discoveries and was preserved beneath the lake when water levels rose at the end of the last Ice Age. The archaeological remains offer rare insight into prehistoric Alpine communities and environmental transformations since the ...

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