French Megaliths

Cairn of Barnenez 

(November 26, 2024) This cairne is located in northern Finistère, Brittany near the Atlantic coast in France. Radiocarbon dating of objects found within it dates it to about 4800 BCE. It was built in 2 phases. The first in 4850 to 4250 BCE and the second between 4450 and 4000 BCE.

Reference

https://en.wikipedia.org/wiki/Barnenez