Mont Lassois, Celtic fortification site near Châtillon-sur-Seine, France
Mont Lassois is a Celtic settlement site near Châtillon-sur-Seine featuring two distinct plateaus. The higher plateau rises significantly above the Seine Valley and is topped by a church from a later period.
The hilltop settlement began in the 6th century before Christ and served as a center controlling trade routes. The community eventually ended, but the remains show it was a wealthy and influential place during its time.
The site reflects a wealthy Celtic community that maintained trade connections with the Mediterranean world. Visitors can observe recovered pottery and jewelry in local museums that reveal the daily life and prosperity of this ancient society.
The site offers walking paths over and around the hills with various viewpoints to explore. Sturdy footwear is recommended as the terrain can be uneven and some areas are exposed.
In 1953 a princely tomb was found containing a dismantled wagon and precious metalwork, revealing the craftsmanship skills of its people. This discovery helped archaeologists understand how powerful and wealthy the leaders of this early community were.
GPS coordinates: 47.90619,4.53223
Latest update: December 12, 2025 09:01
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